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Cadillac Repair/Questions Answered by Expert autohelp

SubjectDate Asked
AC clutch fuse blows7/9/2010
  Q: I don't know if my 2002 Buick Century is something you can give advice for but there are no experts ...
  A: If you had to add that much freon to the system, Then you obviously have a leak in the system. What ...
66 caddy7/7/2010
  Q: can you help me with the kick down transmission system for a 66 Cadillac deville.When I am doing ...
  A: I gather you are referring to when at dusk the headlights should come ON and stay ON until the ...
1993 deville a/c clutch7/1/2010
  Q: i just put isc and tps on my 1993 deville. now my a/c only blows warm air. what is correct procedure ...
  A: There is no relationship between the parts that you replaced and the A/C system other than you may ...
seville having trouble starting7/1/2010
  Q: I have a 1990 Cadillac Seville with a 4.5 liter engine. I've never had any problems with it, but out ...
  A: When you say your having problems with the engine TURNING OVER, Are you referring to that the engine ...
*forgot to include car/model*hot air blowing6/1/2010
  Q: I recently changed my heater core due to coolant leaking. Now I'm getting heat coming from the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated on the dash ?. As long as you did NOT drain the ...
1968 deville a/c5/23/2010
  Q: I can not get the blower motor to blow thru the ac vents. It will come on and blow for the ...
  A: Just to clarify. You have a 1968 year vehicle ?> In ALL cases this problem is caused by a ...
error codes5/20/2010
  Q: my 88 Cadillac eldorado is giving me the error codes E020 current E030 current E052 history B411 ...
  A: E020 = OPEN circuit in the fuel pump system. E030 = IDLE SPEED CONTROL (ISC) motor circuit problem. ...
1995 Cadillac Concours Code P073, P095 & A0505/20/2010
  Q: My 1995 Cadillac Concours started today with the following error messages. Engine Coolant Hot- Idle ...
  A: the FIRST thing you need to do is to CLEAR (erase) ALL these codes by using ONLY the climate control ...
1988 Cadillac Deville digital fuel gauge5/18/2010
  Q: My digital fuel gauge is flashing the letter "E" and I can not make it go away. This started after ...
  A: What you need to do is send your request to: onlineautohelp@msn.com and he will provide you with ...
1980 Eldorado5/16/2010
  Q: The car started, then stalled because it was cold, when tried to restart it I didn't even get a ...
  A: You would need to check the ignition wire connection at the starter for battery voltage when you ...
rebuilding 1996 4.6l northstar5/16/2010
  Q: 6l northstar engine and it has a cracked engine block. I got another engine but i want to rebuild it ...
  A: This engine is famous for the steel head bolt threads tearing out the aluminum threads in the block. ...
Coil inside distributor5/15/2010
  Q: I got a 91 cadi coupe Deville inside the distributor is the coil it and three wires a black with is ...
  A: FIRST, I need to knoe IF the CHECK ENGINE LIGHT on the dash has ever illuminated prior to this ...
ignition switch5/15/2010
  Q: How do you get the ignition to turn, key not working can it have something to do with the computer ...
  A: This may be a stupid question, But are you putting your foot on the brake pedal BEFORE turning the ...
73 Eldorado THM425 Transmission leak5/12/2010
  Q: I have a trans fluid leak coming fom the shifter shaft seal on my 73 front wheel drive Eldorado with ...
  A: Remove the trans pan and you will see that there is a nut that you have to remove from the end of ...
96 cadillac deville5/7/2010
  Q: have replaced head gasket, water pump, all hoses and thermostate, new radiator. gets hot runs up to ...
  A: The most common fault is that the head bolts strip out the threads in the aluminum engine block ...
1997 Eldorado Etc. trouble starting5/7/2010
  Q: After my car sits it is always hard to start taking 2-4 times before it starts. I've had a complete ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
suspension5/5/2010
  Q: where is the ELC fuse located on 1998 deville.......rear suspension is very low
  A: IS or HAS the CHECK ENGINE light EVER illuminated on the dash or have you seen any messages ...
Transmission Pressure Solenoid5/5/2010
  Q: I recently did a diagnostic check to my 95 Cadillac sts. And tha code it threw was a 76 which was ...
  A: The TRANSAXLE PRESSURE CONTROL SOLENOID (TCPS) is located behind the side cover of the transmission ...
1988 Cadillac Deville a/c5/2/2010
  Q: I recently purchased a 1988 Cadillac Deville 4.5 liter from a private owner. A/C has been ...
  A: 1. Turn the ignition key to the ON position. Do NOT start the engine. 2. On the climate control ...
tranny problem4/29/2010
  Q: i have a 94 cadi seville sts.i just bought it 1 week ago. my question is why wont my car shift out ...
  A: To access the codes: 1. Turn the ignition switch to the ON position. Do NOT start the engine. 2. ...
tranny problem4/28/2010
  Q: i have a 94 cadi seville sts.i just bought it 1 week ago. my question is why wont my car shift out ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. Which ...
Cadillac CTS 2003 - Starter Problem4/27/2010
  Q: I own a 2003 CTS 3.2 engine. There seems to be an intermittent problem with the starter. Sometimes ...
  A: I have seen this problem quite often. Get yourself a battery cell hydrometer tester. It looks just ...
1999 cadillac sts4/26/2010
  Q: ran out of gas started up ran about 2 blocks then turned off and cant get it to turn on again
  A: .Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
temp4/26/2010
  Q: 1999 deville one side blows hot air other side blows cold when heat is on. It is opposite when AC is ...
  A: There are 2 damper door actuators. 1 on the drivers side and 1 on the passengers side that operates ...
1988 Cadillac Deville a/c4/26/2010
  Q: I recently purchased a 1988 Cadillac Deville 4.5 liter from a private owner. A/C has been ...
  A: To access the codes: 1. Turn the ignition key to the ON position. Do NOT start the engine. 2. On ...
94 sts 32v northstar cadillac4/25/2010
  Q: How do I retrieve trouble codes without scaner
  A: 1. Turn ignition key ON. Do NOT start the engine. 2. On the CLIMATE CONTROL PANEL, Simultaneously ...
94 sts 32v northstar cadillac4/25/2010
  Q: How do I retrieve trouble codes without scaner
  A: 1. Turn ignition key to the ON position. Do NOT start the engine. 2. Simultaneously push and hold ...
trouble code on 1994cadillac eldrado4/16/2010
  Q: i have trouble code 047 on the ac what is wrong. also compressor off and low refringent ANSWER: ...
  A: You most like3ly have a leak in the A/C system. You need to use a leak detector to find and fix the ...
1994 Cadillac Eldorado4/16/2010
  Q: Have a 1994 Cadillac Eldorado ETC. Just had three coils changed because of intermittent dieing. ...
  A: This type of problem which if it is an intermittent problem can be difficult to diagnose if it will ...
error codes on 1989 seville 4.54/15/2010
  Q: what do error codes b441 and b448 mean? how do i clear codes? how do i get my radiator cooling fan ...
  A: B441 = Cooling fan problem. B448 = Very low A/C freon amount in system. You will need several ...
coolant low light4/15/2010
  Q: I have a 99 cadillac sls. I had to have the water pump replaced this summer. After that it has ...
  A: You would need to contact your local Cadillac dealer. However, I can tell you what your problem IS ...
coolant low light4/15/2010
  Q: I have a 99 cadillac sls. I had to have the water pump replaced this summer. After that it has ...
  A: WHITE SMOKE is a classic sign of faulty head gaskets of which this engine is famous for. What has ...
2001 Deville DHS Overheat/Head Gasket4/8/2010
  Q: Car has 117k miles. Temp gage increases to high & Hot Engine indicator is illuminated. No fluids ...
  A: This engine is FAMOUS for leaking head gaskets due to stretched aluminum threads in the engine ...
service air ride4/7/2010
  Q: I got a 94 deville 4.9 the codes I got are as followed. P030 P039 P052 P098 I039 I052 Can u tell ...
  A: P030 = Idle speed control motor fault. P039 = Overdrive in transmission fault. P052 = Battery ...
Another code4/5/2010
  Q: I have a 96 Eldorado. My husband changed the brake lining on the rear this weekend. When he was ...
  A: I bet he worked on the RIGHT REAR WHEEL, CORRECT ?. What he did is knocked the sensor loose from ...
code ac 13474/5/2010
  Q: I have a 1996 Eldorado. The ac quit blowing cold. My husband (who is not mechanically challenged) ...
  A: Either the gage is defective and you still have LOW freon in the system OR you did NOT clear the ...
1981 eldorado fuel problems4/5/2010
  Q: I have had codes pertaining to throttle body sensor and map sensor. I have cleared those codes and ...
  A: There was a technical service bulletin instructing you to MOVE the MAP sensor to the engine ...
Uneven idle in 95 LT1 5.7ltr engine4/3/2010
  Q: Sir, have a 95 LT1 5.7ltr engine with persistent uneven idle, and 'fishbiting' around 50-60mph ...
  A: The brake test thing, if the problem stops when I do it, and comes back when taking foot off, what ...
1992 Cadillac Eldorado 2 dr 4.9 Liter4/3/2010
  Q: When I first start my Cadillac I hear this squeaking noise under the hood. I think it may be the ...
  A: Here is how to retrieve the CODES from the computer: 1. Turn the ignition switch to the ON ...
Uneven idle in 95 LT1 5.7ltr engine4/3/2010
  Q: Sir, have a 95 LT1 5.7ltr engine with persistent uneven idle, and 'fishbiting' around 50-60mph ...
  A: Does the air conditioning system work properly ?. If you are low on AC refrigerant this would cause ...
1981 eldorado fuel problems4/3/2010
  Q: I am having a problem with the air to fuel ratio. What would cause a 22 to 1 ratio? it is supposed ...
  A: Fuel ratio is determined by the oxygen sensor and the computer. Since the fuel ratio is calibrated ...
comfort fuse power drain-99 deville4/1/2010
  Q: I recently replaced the ignition lock cylinder and turn signal switch on my 99 deville. since then ...
  A: Normal amperage draw when the vehicle is parked for the night is .50 to .55 amps of battery drain. ...
86 Cadillac El Dorado won't start.3/29/2010
  Q: I have an 86 cadillac el dorado and i drove it up to a week ago and it shows an E052 code, a b337 ...
  A: The FIRST thing you want to do is throw that Hayes manual in the trash. Are you POSITIVE you have a ...
Help3/27/2010
  Q: I have a 2004 Cadillac deville with the 300HP. Codes 171 and 174 comes up. Those this means the Map ...
  A: These codes are oxygen sensor codes that are reading a LEAN running engine which can be caused by ...
1999 Cadillac DeVille Base rear Air Suspenion3/26/2010
  Q: Our 1999 Cadillac DeVille Base won't release air pressure and rides excessively high. I read your ...
  A: did you MANUALLY move the metal rod upwards and downwards while waiting a minimum of 2 minutes for ...
1991 Cadillac Eldorado3/26/2010
  Q: I have a stuttering problem with my 1991 Cadillac Eldorado. All the plugs, wires, cap, the coil pack ...
  A: This is a possibility. I would suggest either replacing the heater core and or remove the heater ...
1998 Eldrodo Northstar Cracked Head3/25/2010
  Q: I was told by the dealership that I have a cracked head gasket. My engine light stays on most of the ...
  A: This particular engine has a serious problem with head gasket failures due to stretched and or ...
99 cadillac devil just bought it but speedometer3/25/2010
  Q: car starts fine with no problems been sittin about a month or so and it runs good with no problems ...
  A: Your problem is most likely the speedometer SENSOR mounted on the passengers side of the ...
low pressure a/c port on 1990 cadillac seville3/25/2010
  Q: I am trying to figure out where the low pressure port is on a 1990 cadillac seville. The a/c is ...
  A: The one on the RECEIVER/DRIER is the LOW port. The one on the small line is the HIGH PORT. You ...
99 cadillac devil just bought it but speedometer3/25/2010
  Q: car starts fine with no problems been sittin about a month or so and it runs good with no problems ...
  A: I would just keep driving it until it either resolves itself and or the CHECK ENGINE light on the ...
1999 Deville Overheating3/22/2010
  Q: I bought a 1999 Deville with 55,000 miles in January. It has since overheated and all coolant gone. ...
  A: The most common problem with this engine is that combustion chamber pressure is getting into the ...
Adding Sealer3/21/2010
  Q: I have a 1998 Cadillac Deville base model with a 4.6 northstar engine. I have an overheating problem ...
  A: When the vehicle was manufactured there were special sealant pellets put into the cooling system to ...
1994 sedan deville3/17/2010
  Q: when i drive around town i have no problem. on highway another story. when it has been driven for ...
  A: You most likely have 2 possibilities: 1. The fuel pump is getting over heated and shutting down. ...
1996 Cadillac Deville3/11/2010
  Q: I have a question about my Cadillac Deville. I was driving it for about 30km at 80km/hr. and all of ...
  A: I must be missing something, As your question seems kind of oDD. 1. The OIL PRESSURE light came ON ...
Idles Rough and Engine Light on3/11/2010
  Q: This issue occurred after pumping gas from QT. I immediately thought bad gas but my boyfriend says ...
  A: If switching the coil packs did NOTHING. This tells you that either you have a faulty spark plug ...
Oil Light stays on with car turned off3/9/2010
  Q: I have a 1992 Cadillac DeVille. The oil light is off while I am driving the car but once I turn the ...
  A: Disconnect the oil pressure switch wire at the oil pressure switch and see if the light goes OUT. If ...
starter3/9/2010
  Q: I've turn the key the starter clunks,I've replaced the battery,starter and used 5 different ...
  A: Does the engine turn over easily by hand with the spark plugs out ?. Are you POSITIVE that the ...
93 fleetwood security light3/8/2010
  Q: 1993 Cadillac Fleetwood with the Security Light stuck on and car won't start....how do I fix this?!
  A: You either have a problem with the: 2 wires that go to the ignition key switch from the PASS-KEY ...
1968 cadillac3/7/2010
  Q: my blinkers stopped working in my coupe deville i replaced both flashers but there still not ...
  A: If the turn signals do not work does the hazard flashers work ?. If they do NOT work either, Your ...
Ignition cylinder3/7/2010
  Q: how would i go about to remove the ignition cylinder to my 1994 cadillac deville because my key ...
  A: The first 2 things you are going to need is a STEERING WHEEL PULLER & a LOCK PLATE COMPRESSOR which ...
my 1990 cadi coupe deville wont start3/7/2010
  Q: I went out one mourning and it wouldnt start. it wants to start but when i turn the key it cranks ...
  A: Sounds more like a fuel problem. Here is a test procedure to see if the fuel pump works when your ...
96 STS long cranking when warm3/5/2010
  Q: My 96 STS has started requiring long cranking time to start when the engine is warm from previous ...
  A: Temp sensor plays NO role in the starting of the engine when engine is already at normal operating ...
Codes Failed Emissions3/4/2010
  Q: My car is a 1997 Concourse Deville, it failed emissions because of Code P1645 and it reads Driver 1 ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1997 Cadillac Eldorado has crazy high rpms3/4/2010
  Q: I have replaced the ignition coil and the idle air control valve so far. The car runs crazy! ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
01' Cad STS - No power accessories3/4/2010
  Q: I have a 2001 Seville STS. I bought the car wrecked from the insurance pool. Did all the body work, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
how to remove rr suspension level control compressor3/4/2010
  Q: Have a 2000 deville and the level control compressor is not working or raising the car. How do you ...
  A: Your problem is more likely to be the HEIGHT SENSOR than the air compressor. If you are mechanicaly ...
Cadillac torque convertor3/4/2010
  Q: What is the going price to replace the convertor.I've been quoted $2000 and to service the tire ...
  A: It is EXTREMLY RARE that a torque converter goes bad. The FIRST thing we need to do is to retrieve ...
No heat3/4/2010
  Q: My 1999 deville has no heat. It blows cold air
  A: Both the drivers side and the passengers side blow COLD air ?. If they deo, First check to make ...
ecm keeps going out3/4/2010
  Q: car has a new fuel pump and a new ECM computer it keeps blowing out, if you put another one in it ...
  A: You have a SHORT in one of the electrical circuits in the computers electrical system. If you are ...
85 Cadillac Fleetwood Service Engine Light Soon/Gas Guage3/4/2010
  Q: Okay, I just bought an 85 Cadillac Fleetwood today. She only has a little over 49,000 miles. She ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Poor Engine Performance3/4/2010
  Q: I have an 88 eldorado. My water pump went bad. I took it to a mechanic to have replaced. I also had ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated prior to or during this problem ?. I ...
93 cadillac el dorado3/2/2010
  Q: while I'm driving the car starts to stall then suddenly the idle goes up real high,as if the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1995 CADILLAC ELDORADO BLOWER MOTOR3/2/2010
  Q: MY HEATER BLOWER DOESN'T WORK.I HAVE REMOVED IT AND TRIED TO BENCH TEST IT TO NO AVAIL. IS THIS ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
2000 Seville STS radio problem3/1/2010
  Q: yr 2000 Cadillac seville STS. Radio/CD will not power ON. Immediately after Ignition start, power ...
  A: Is this the ORIGINAL radio ?. If it IS: If you are mechanicaly inclined or know of someone who is, ...
running rough2/28/2010
  Q: 2004 CTS 3.6 started running rough at idle and slow speeds runs fine at 40mph+. Engine light on. I ...
  A: Did you resolve your problem ?. You need a diagnostic scanner in order to retrieve the FAULT CODES ...
p16602/28/2010
  Q: I have a 1997 cadillac deville with a p1660 code. I know youve had alot of questions about this but ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1989 cadillac fleetwood2/27/2010
  Q: after i replace the factory stereo with a after market stereo the car will not start without getting ...
  A: Everyone who installs an aftermarket radio always screws up with the wiring. You most likely used a ...
2004 cts cadillac want start2/26/2010
  Q: Car won't start and then that night it would start next day started that evening it wouldn't next ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
starter2/18/2010
  Q: how do you dissconnect the anti theft on a cadillac 1994 de ville
  A: I WILL help you FIX the problem, But I do NOT disconnect or alter components. If you are ...
99 Deville crazy RPM's2/18/2010
  Q: I have a 1999 Cadillac Deville that's pushing high RPM's while im in Park then jerks when i shift to ...
  A: Sounds like a faulty IDLE SPEED CONTROL MOTOR (ISC) which requires PRECISE adjustments when ...
1999 De Ville passenger climate control2/17/2010
  Q: I've taken the liberty of copying a prior request for help (I was unable to find your response)since ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
WINDSHIELD WIPERS2/16/2010
  Q: 90cadillac 4dr.sdn.fleetwood. changing windshield wipers (refils only)without incurring damages. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need pictures of the components ...
Cadillac Deville2/15/2010
  Q: 92 Deville blower wont turn off...understand need to replace the module on the blower.. ok and also ...
  A: You need to replace the: Blower motor. Blower motor control module. BCM. If you are mechanicaly ...
cooling fans2/14/2010
  Q: '99 cadillac deville I replaced the radiator, pass. side cooling fan, & the 50 amp. fuse that ...
  A: I STRONGLY suggest that you replace BOTH CAMSHAFT SENSORS. P1660 = Cooling fans control circuit ...
cooling fans2/14/2010
  Q: '99 cadillac deville I replaced the radiator, pass. side cooling fan, & the 50 amp. fuse that ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle ?. There are THREE (3) ...
03 deville torque converter2/13/2010
  Q: Check engine light came on while driving on I-95 ( Port Saint Lucie to West Palm,Fl). Just had the ...
  A: I have been diagnosing and fixing Cadillacs for over 40 years now and I have never owned one. Yes, I ...
1992 cad sts2/13/2010
  Q: i would like to know how to replace bcm chip than youI ANSWER: The ONLY chip that is removable ...
  A: 1. Turn the ignition key to the ON position. Do NOT start the engine. 2. Simultaneously push and ...
transmission problems!2/12/2010
  Q: Please help!! My 1996 Caddy Concourse will shift from first to second. The problem occurs from that ...
  A: The shift solenoids are located behind the transmission side cover behind the drivers front wheel ...
Vehicle Speed Sensor Signal2/11/2010
  Q: 1994 Cadillac DeVille - New speed sensor; put in new spark plugs & ratchet fell behind motor near ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
trying to find out what these codes are that I have on my 19882/11/2010
  Q: here is the codes I have on my Cadillac Seville so I can repair it and make it run right E 030 E052 ...
  A: E030 = Fault in the IDLE SPEED CONTROL MOTOR circuit. E052 = Battery was disconnected thus loss of ...
lights flicker2/10/2010
  Q: I have a 1994 SLS. The problem I am having is with the lights. During the day the interior lights ...
  A: with the RIGHT turn signal ON, Check to see how many lights illuminate in the front and back and ...
92 Deville Starting problem +2/9/2010
  Q: 1992 Cadillac Car - DeVille Vin #: 1G6CD53B3N4319990 Engine Size: 4.9L Number of Cylinders: 8 ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
e49 1990 cadillac deville A.I.R. problem2/9/2010
  Q: 1990 Cadillac Deville with 185k mi. on it. Changed spark plug wires, spark plugs, egr valve, egr ...
  A: You either have a problem with the air switching valve or the solenoids. If you are mechanicaly ...
97 Cad hard to start sometimes2/9/2010
  Q: I have been reading about others with a similar problem.. I have a 97 ETC El Dorado. HAs the ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
94 cadillac eldorado2/8/2010
  Q: my husband and his friend recently replaced the starter on our 94 eldorado, however they didnt take ...
  A: You should have taken the manifold ALL the way OFF. You most likely have a vacuum leak in the intake ...
lights flicker2/7/2010
  Q: I have a 1994 SLS. The problem I am having is with the lights. During the day the interior lights ...
  A: With the headlights ON, Does the right turn signal bulbs all illuminate but they just do not flash ...
1999 deville2/7/2010
  Q: Compressor for the rear shocks stopped working. Can you help.
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
97 deville blower motor wont work after i replaced it2/6/2010
  Q: i replaced the blower motor and the new one does work but after i put it in and connected it it wont ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1995 Cadlliac Deville 4.92/6/2010
  Q: I am having a issue with the climate controls. At first everything is great but after a moment the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1997 sts cadillac2/6/2010
  Q: my car is overheating and i replaced the thermostat, waterpump, and radiator cap. it still overheats ...
  A: What you have is the common fault of engine coolant getting into the combustion chambers due to ...
97 sts cadillac2/6/2010
  Q: my car is overheating and i replaced the thermostat, waterpump, and radiator cap. it still overheats ...
  A: If you have HIGH mileage on the vehicle, Over 100,000 miles I would replace the radiator with a NEW ...
1998 STS2/6/2010
  Q: My STS has 135000 miles on it. A message came up saying service suspension system. Speed limited ...
  A: You have a problem with the suspension sensors. If you are mechanicaly inclined or know of someone ...
help2/5/2010
  Q: i have a 1994 cadillac sls about to weeks a go some by mistake cut both wiring harnes and my ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
97 sts cadillac2/5/2010
  Q: my car is overheating and i replaced the thermostat, waterpump, and radiator cap. it still overheats ...
  A: What you have is the ever common fault of leaking head gaskets where the engine coolant is getting ...
Need Help!!!!2/4/2010
  Q: I own a 1989 Cadillac Sedan Deville that when purchased from private owner always sat low in the ...
  A: I KNOW what your problem is. If you are mechanicaly inclined or know of someone who is, You will ...
on board diagnostic codes????2/3/2010
  Q: I Have a 1991 Brougham D Elegance with the 5.7L engine.I believe the engine code is 7.I learned how ...
  A: You CANNOT get the codes via the climate control panel on YOUR vehicle. You have to jumper pins "A" ...
Digital display dash2/3/2010
  Q: I have a 95 Deville with the 4.9L engine. It is the base model (8th vin digit is B) and does not ...
  A: There is no way to permanently display the actual engine temp unless you install an external temp ...
Help2/2/2010
  Q: How do i fix my 95 Cadillac the car wont crank over when the security light comes on what do i do to ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
codes2/1/2010
  Q: i have a 95 cadillac deville. what is the meaning of the following codes and how can i fix them? ...
  A: I052 means that battery voltage was lost to the computer. You most likely disconnected the battery. ...
1994 Cadillac Ignition won't keep car started2/1/2010
  Q: My issue is this. My 1994 Cadillac will start fine when you turn the ignition switch, when you ...
  A: Your problem is in the electrical portion of the ignition switch mounted under the dash on the ...
1996 cad deville2/1/2010
  Q: i have computer code ip1910 history what does this meanoyihc ANSWER: You have a problem with the ...
  A: You already know how to access the codes, So go ahead and access the codes and when the display ...
98 cadillac rear air shocks2/1/2010
  Q: 1998 cadillac deville d'elegance, rear end sags when passengerss in back or weight in trunk. ...
  A: What you have is a fault in the HEIGHT SENSOR circuit. If you are mechanicaly inclined or know of ...
94 Cadillac Eldorado SeaFoam. Bad Idea!2/1/2010
  Q: I used SeaFoam in my 94 Cadillac Eldorado. I poured 1/3 in the gas tank and a 1/3 through the PCV ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
check engine light1/31/2010
  Q: and my driver side seat motor isnt working, the passenger one is working fine but it only goes ...
  A: 26 = shorted throttle switch. 53 = distributor fault. 13 = Faulty oxygen sensor. 27 = Open ...
1996 cad deville1/31/2010
  Q: i have computer code ip1910 history what does this meanoyihc
  A: You have a problem with the "L" circuit in the alternator. If you are mechanicaly inclined or know ...
94 Cadillac Eldorado SeaFoam. Bad Idea!1/31/2010
  Q: I used SeaFoam in my 94 Cadillac Eldorado. I poured 1/3 in the gas tank and a 1/3 through the PCV ...
  A: Behind the master cylinder is a large black round disk which is your VACUUM DIAPHRAM for your power ...
Digital Fuel Injection1/31/2010
  Q: and my driver side seat motor isnt working, the passenger one is working fine but it only goes ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1991 Cadi Eldorado 4.9 overdrive1/30/2010
  Q: My Transmission will not shift into overdrive all the other gears work fine..Gears 1,2,3 No ...
  A: the most over looked item is the correct air pressure in your tires. Don't laugh, I have seen it ...
89 cadillac deville1/29/2010
  Q: how do you read the code in the computer if there is no obd cable hook up
  A: The CLIMATE CONTROL PANEL is where you get your codes from. 1. Turn the ignition key to the ON ...
1997 Cadillac Deville leaking head gasket1/29/2010
  Q: I was told instead of taking the head and machining it and replacing the head gasket a stop leak ...
  A: I do NOT recommend this STOP LEAK product as it has a problem with plugging up the small tubes in ...
radio static1/27/2010
  Q: I have a 92 seville 4.9 w/gold bose radio system. When the radio is turned on any channel their is ...
  A: The easiest way to diagnose it is to purchase a CHEAP antenna in Wal-Mart and remove the radio just ...
1997 Cadillac Seville1/27/2010
  Q: I just put gas in my cas and now it will not stay running. It will start & then it will stall. Any ...
  A: YES this will within a few hours break down the water molecules. Here is a test procedure to see if ...
1997 Cadillac Seville1/26/2010
  Q: I just put gas in my cas and now it will not stay running. It will start & then it will stall. Any ...
  A: If you did NOT have this problem PRIOR to installing this new gas, You may have got a load of WATER ...
1997 sls cadillac idle control system1/25/2010
  Q: I have a display showing on my dash which says service idle control system. What does it mean and ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
cadillac 20041/25/2010
  Q: How do I replace the air intake manifold on Cadillac CTS 2004? I can remove all the plugs except for ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
92 caddy stalln@45+1/25/2010
  Q: 92 caddy eldorado 4.9 car shimmys and stalls intermiditely at speeds around 45-55 then again at ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
2002 Seville SLS gauges and dash1/23/2010
  Q: Okay i was in Dallas (don't live there) got radio replaced and audio 2 subs and an amp. after they ...
  A: If everything that is NOT working WAS working prior to their installation of the Radio and ...
1996 sedan deville1/22/2010
  Q: half to crank car for a long time before it starts . After it starts it takes aminute to get power .
  A: Sounds like a faulty fuel pump relay. Here is a test procedure to see if the fuel pump works when ...
1994 Cadillac STS IO 34 problem1/22/2010
  Q: I recently pulled my battery for the winter, my car was running great with no problems. I just put ...
  A: Did you CLEAR (erase) the code AFTER you installed the computers via the CLIMATE CONTROL PANEL ?. ...
99 escalade1/21/2010
  Q: The gas gauge bounces around. Had fuel module replaced, still happening.Had the dash cluster ...
  A: inside the gas tank there is a square plastic BAFFLE PLATE (like a box with no lid on it. Did you ...
starting allante1/21/2010
  Q: I recently lost my battery in my 1988 allante after putting in new battery engine would crank but no ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
1990 seville. cleared codes now wont start1/19/2010
  Q: i bought a 1990 Seville from my granpa it is great but reacently it has started to hesitate on ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
99 Cadilac deville1/19/2010
  Q: The abs and service stabiliity system lights come on and can be clear by reseting information. what ...
  A: If the lights come back ON, We need to retrieve the codes from the computers and perform diagnostics ...
Fuel1/18/2010
  Q: How do I prime the fuel lines from pump to connection at fuel rails? ANSWER: There is a fuel pump ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
91 eldorado 4.91/18/2010
  Q: Cleared all codes.The auto button didn't work as you said to push.But somehow I got it cleared. ...
  A: If you had a fault in any of the distributor components, You would see the CHECK ENGINE light ...
91 eldorado 4.91/18/2010
  Q: Engine starts runs fine When I drive back fires no power. Thought it needed a tuneup.Replace spark ...
  A: To CLEAR (erase) all these history codes: 1. re-enter diagnostics and after the codes display you ...
91 eldorado 4.91/18/2010
  Q: Engine starts runs fine When I drive back fires no power. Thought it needed a tuneup.Replace spark ...
  A: You get the codes via the CLIMATE CONTROL PANEL. If you have a DIGITAL SPEEDOMETER: 1. Turn ...
Clearing Readiness Codes1/16/2010
  Q: I have a 1998 Seville that I had to have a leaking headgasket and intake gasket repaired to prevent ...
  A: You will be using your drivers side climate control panel ONLY if you have a DIGITAL speedometer. ...
Cadillac Engine1/13/2010
  Q: Can you put an engine from a 95 Eldorado in a 97 Deville? Also, is there a way to test an engine on ...
  A: On your first question the easiest way to find out is to ask a junk yard they have a book on ...
bogging down1/12/2010
  Q: my 1999 escalade won't take gas sometimes. if i wait in it with engine running.it start it won't ...
  A: You need to check with a gae to see what your fuel pressure is at. I like to use a long hose on my ...
Error Code E521/12/2010
  Q: I have a 93 Cadillac Deville that had to have a TPS replaced. It is still stalling when I try to ...
  A: The FIRST thing you need to dois to perform what is called a RE-LEARN PROCEDURE as when you ...
computer codes1/11/2010
  Q: i have codes pc0340 pc1323 pc 1377 can you tell me what these are thank you ANSWER: AFTER each ...
  A: To CLEAR the PC codes with a DIGITAL instrument panel (speedometer) only. 1. redisplay the codes ...
Fuel1/11/2010
  Q: How do I prime the fuel lines from pump to connection at fuel rails?
  A: There is a fuel pump relay that is activated by the vehicles computer for 2 seconds which primes the ...
Power Steering1/10/2010
  Q: I bought a 93 Cadillac Deville about 2 weeks ago and the power steering went out about 2 days ago ...
  A: NO, The power steering pressure switch is used to increase the engine speed when you turn the ...
1993 Cadillac Deville diagnostics1/10/2010
  Q: I can't seem to find where the diagnostics hook up is on my 1993 Deville. Can someone please tell me ...
  A: This vehicle has it's own built in diagnostic sytstem via the climate control panel. 1. Turn ...
1992 sedan de ville not starting1/9/2010
  Q: My vehicle is a 92 sedan de ville touring edition 4.9 liter. in april/may of last year, it ...
  A: I am at a loss because my mechanic says he can't fix it if it won't do it in front of him & it ...
1987 cadillac seville power antenna1/9/2010
  Q: I attained an exceptionally nice 1987 cadillac seville in near immaculate condition. The engine and ...
  A: You could simply have a bent antenna. Have you tried cleaning and waxing the antenna ?. If it must ...
91 DEVILLE SPITS AND COUGHS WHEN I NAIL THE GAS WHEN IT'S COLD1/9/2010
  Q: MY SPITS AND COUGHS WHEN I NAIL THE GAS WHEN IT'S COLD. IT CONTINUES TO DO SO UNTIL I HAVE DRIVEN ...
  A: Are the codes you are getting CURRENT or HISTORY codes ?. E74 = intermittent MAT sensor. E98 = Idle ...
computer codes1/8/2010
  Q: i have codes pc0340 pc1323 pc 1377 can you tell me what these are thank you ANSWER: AFTER each ...
  A: You have a spark timing problem. If you are mechanicaly inclined or know of someone who is, You ...
1990 Cadillac seville codes1/8/2010
  Q: ok was checking my codes on my seville cleared the and rechecked them this is what I have: E041, and ...
  A: BOTH these problems can be fixed by yourself with some professional assistance. If you are ...
Still won't Start1/8/2010
  Q: Ok i replace my ignition and still nothing help please
  A: OK, Now that you replaced the ignition switch where the ignition key goes into, You need to have the ...
1987 Brougham Battery Issues.1/8/2010
  Q: I have a 87' Brougham with the 5.0L Old's 307 V8. Within the last month I have been helplessly ...
  A: 2 day retighten rule is horse hockey. What you have is a classic example of another loose belt. ...
cadillac stability message1/8/2010
  Q: We have the stability engaged message coming on all the time but it is accompanied by a grinding ...
  A: What you have is a TRACTION CONTROL FAULT. Due to the picture limitations of only allowing 1 ...
c c code one instrument panel1/7/2010
  Q: I have a 91 Cadillac sedan deville. The blower runs continuously when you start the car and there ...
  A: Are you POSTIVE that you only see the letter c or do you see this -c ?. If you see the -c, You ...
94 caddilac fleetwood won't start1/7/2010
  Q: car crunk up put in reverse and back up a little then all of sudden it shut off. trouble code says ...
  A: Code 16 = Alternator has an internal fault and or external wiring problem. Due to the picture ...
1999 cadillac esculade alarm1/6/2010
  Q: What causes my alarm to go off in the middle of the night? It has not been tampered with that i can ...
  A: One of the sensors or switches may be TEMPERATURE SENSITIVE which makes it a nightmare to find. The ...
85 Seville Blinker1/6/2010
  Q: When I flip my right turn signal the blinker comes on solid and does not blink. Maybe a signal ...
  A: One of your tail light bulbs is most likely burned out. Put ON your hazard (emergency) flashers and ...
blower/ccm/fuel data center1/6/2010
  Q: i was wondering where it is i should start. my blower stays on and the fuel data center has a c, and ...
  A: NEVER-EVER install an after market radio system into a Cadillac unless you have electrical ...
Cadillac repair1/6/2010
  Q: I did a code scan on my 99 deville and it said that cylinders are misfiring. I replace the spark ...
  A: What needs to be done is the next time the window will not operate is to carefully remove the window ...
clering old computer codes1/6/2010
  Q: how do you clear computer code history? i have codes pc 0340 0372 0603 1323 1350 1375 1377 1520 1599 ...
  A: 1. Bring all the codes back up and when the display stops at PCM?. 2. Keep Pushing and ...
trouble code1/5/2010
  Q: my 1988 deville is giving me trouble code E30, what does that mean? ANSWER: What you have is a ...
  A: Any time the CHECK ENGINE light illuminates the cruise control is automatically shut off until you ...
cad missing1/4/2010
  Q: check eng lite stays on also says service ign car runs find then it will just start missing ...
  A: 1. Turn the ignition key to the ON position. Do NOT start the engine. 2. On your climate control ...
Heating question1/4/2010
  Q: I have a 89 Sedan DeVille, and the heat is not hot at all, the air blows from the defrost and from ...
  A: You either have a simple vacuum leak to the AIR CONDITIONER PROGRAMMER or you have a faulty AIR ...
1997cadillac deville aftermark radio inst.1/3/2010
  Q: I got the harness for this car at walmart and i hook it up and the radio works but wont turn ...
  A: NO it can't be done. If you try rewiring it and you screw it up you will FRY the radio and the ...
96 cadilliac concours turning off while idling1/3/2010
  Q: . Here are the codes I got myself from holding down Off and Warm. Tc0067, tc0085, tc0043,pc0101, ...
  A: You need PICTURES of diagnostic procedures in order to perform TESTS to see WHY the codes are ...
96 cadilliac concours turning off while idling1/3/2010
  Q: . Here are the codes I got myself from holding down Off and Warm. Tc0067, tc0085, tc0043,pc0101, ...
  A: PC0101 is a fault in the mass air flow system. AC1347 is a fault in the evaporator sensor circuit. ...
99 Deville overheating1/2/2010
  Q: I have a 99 Deville it just started overheating did a pressure test on the system 12hr period with ...
  A: Because the lousy engine that you have was manufactured with steel head bolts going into an aluminum ...
98 cadilac deville having trouble starting1/2/2010
  Q: it takes me a least three turns of key to start.when car does start i smell gas. fuel pump kicks on ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
1995 sts1/1/2010
  Q: I HAVE A 1995 STS THAT STARTS OFF IN SECOND GEAR AND WONT GO INTO LOCKUP ON THE TOP END .I AM ...
  A: The P086 is what is causing the trans to start out in second gear and also for the TCC not to ...
New Master Cylinder?12/30/2009
  Q: I have an 83 Caddy Deville. One night I noticed the brake pedal was a little mushy. The next day, it ...
  A: IF you are NOT losing any brake fluid from the master cylinder and you are NOT hearing any type of ...
92 elderado codes12/30/2009
  Q: they come up EO52 HISTORY IO52 HISTORY AO48 HISTORY
  A: What you need to do is CLEAR (erase)n these codes via the climate control panel ONLY. Disconnecting ...
AC/Heater is not blowing12/30/2009
  Q: What could be the problem if my fans are not blowibg out cold or hot air? Also, I have to be driving ...
  A: When you say FANS, Are you referring to the fan motors for the front inside compartment and the rear ...
1996 cad illac deville12/29/2009
  Q: I have a code of p0603 ware to go ?
  A: The reason that you have this code is because you disconnected the vehicles battery cables and or ...
heater/blower in 1993 eldorado12/28/2009
  Q: My heater/AC blower for my 1993 eldorado was stuck on high(the only way I could stop it from running ...
  A: Did you perform any TEST PROCEDURES prior to replacing the heater resistor ?. If NOT, and you have a ...
electrical problems12/27/2009
  Q: my names terry, I have a 84 Cadillac eldarado and what a big electrical problem am having.. it ...
  A: What is the problem with the heater ?. What is the problem with the radio ?. This statement I do ...
93 cadi wont start12/23/2009
  Q: 9. It wont start but the battery is ok as all the lights come on. I got the trouble codes and they ...
  A: Can you hear and see the engine cranking but it just will not start ?. Or do you hear NOTHING when ...
Fuel inj not fireing12/22/2009
  Q: I have an 85 barritz we had since new it only has 47,000 on it but it has ben siting in grage for ...
  A: each injector has 2 wires, One wire is battery voltage to the injector and the other is the ground ...
Cadillac repair-shift solenoid12/22/2009
  Q: I am getting the diagnostic code off my 2001 cadillac dts p1845 shift solenoid circuit low voltage. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
electrical problem.12/22/2009
  Q: 94 sedan deville 4.9 engine 4t60e trans was just rebuilt. when I got it back, it was shifting ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
89 fleetwood bcm issue12/22/2009
  Q: was getting no climate control, no blower. was told to replace bcm. did so with a same numbered bcm ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
heater problem/92 Deville12/16/2009
  Q: Automatic setting for heat does not operate.Climate control center operates code diagnostics.Defrost ...
  A: Check the BLACK plastiv vacuum line at the multi-colored vacuum block assembly at the programmer ...
1992 cadillac eldorado12/12/2009
  Q: No I don't know how to retrieve codes.
  A: To get codes: 1. Turn ignition to the ON position. Do NOT start the engine. 2. On the climate ...
gas door opening12/12/2009
  Q: Sometimes when I start my car the door to my gas tank opens automatically even though I have not ...
  A: Try just turning the ignition switch to the ON position without trying to start the engine and see ...
new battery = car won't start12/12/2009
  Q: My battery went bad on my 1992 Cadillac Deville. The car ran awesome but needed to be jumped. I ...
  A: This code is telling you that you have an ignition problem caused by either one of the following: ...
Brake bleeding12/11/2009
  Q: How do you bleed the brake system on a 1989 caddy fleetwood with antilock btakes w/ 4.5 cid engine ...
  A: take the cap off the master cylinder and open all the bleeder screws on the brakes and watch for ...
'91 Cadillac Deville Codes12/11/2009
  Q: Can you please tell me what E91. E.7 E52 mean? Thanks
  A: E91 = PRNDL switch problem. E7 = No such code. If your code is E70 = a fault in the THROTTLE ...
1996 cadillac devill12/11/2009
  Q: my car is backfired n i just had a tune up done plus my car don't started instantly i got to hold my ...
  A: Did you have any of these problems BEFORE the tune-up ?. Who did the tune-up and what was replaced ...
Brakes for 1993 Cadillac Eldorado 4.9L12/11/2009
  Q: What are the steps in replacing front and rear break pads on a 1993 Cadillac Eldorado 4.9L? Can I ...
  A: I can provide you with all the proper procedures with pictures and directions, But I do NOT ...
1991 Deville Air Ride Problems12/10/2009
  Q: Why does the air ride compressor keep coming on when the car is off? It keeps running the battery ...
  A: This IS a very easy fixable problem that anyone with a small amount of mechanical skills can fix. ...
1994 cadilac sls overheating12/10/2009
  Q: I just got a 1994 Cadillac sls v8 4.6 140000 miles.. The car is over heating: I check the termostat ...
  A: This sounds EXACTLY like blown head gaskets due to stripped head bolt threads in the engine block ...
'03 cadi cts ignition/electrical problem12/10/2009
  Q: When I shut off my car, take key out of ignition, and open the door the radio is still on and my ...
  A: This IS a simple fixable problem and can be easily repaired via pictures and simple test ...
Cadillac windshield wipers12/9/2009
  Q: What will cause the windshield wipers to stay on in a 1985 Cadillac sedan deville
  A: Could be the : Wiper switch. Wiper motor control panel. shorted/open circuit. Since this persons ...
99 Deville heater/AC12/9/2009
  Q: My 99 Deville will blow cold air when heat is called for at Operating temp. I viewed accuators ...
  A: what you need to do is test the voltage output from the ECM to each actuator to see if the problem ...
Bad exhaust smell from 98 Cadillac STS12/8/2009
  Q: The STS has a Very Bad/Strong exhaust smell when the car is running. The smell also enters the ...
  A: The FIRST thing you need to do is to make sure that all your spark plug wires are OK. A simple test ...
1995 cadillac sedan deville12/5/2009
  Q: i own a 95 cadi deville 4.9 litre engine...it runs rough and weak..went 2 autozone and got a ...
  A: Your problem is either a short in the set timing circuit and or a fault in the computer. NEVER EVER ...
not a very nice web site for help!12/5/2009
  Q: Below is the question and response I got from your website, and keep in mind i have never used ...
  A: Since i retired from full time work on Cadillac's in 2000, I rarely see any late model Cadillac's ...
Fuel problem12/4/2009
  Q: I have a 1994 Cadillac Deville with a 4.6 engine. Had a problem with starving for fuel and replaced ...
  A: You need to install a fuel pressure gage on the fuel line and then we can perform some simple ...
service fuel system12/3/2009
  Q: I have a 96 sts, i disconnected the battery to reset a "very low refrigerant' warning and now the ...
  A: You CANNOT reset any MESSAGES and or any CHECK ENGINE light fault codes by disconnecting the battery ...
96 sedan deville losing engine power and stuter12/3/2009
  Q: what is the reason this problem. and how to repair it. i have lost all engine power,it stuters and ...
  A: IS or has the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. Problem ...
climate control12/3/2009
  Q: When 1st starting my 98'seville the inside & outside temp comes on for a short time (1 min). Then ...
  A: This IS a very simple problem to fix. You will need several pictures and diagnostic test procedures ...
heater / ac blower fan12/2/2009
  Q: When turned on the heater fan goes on and off but does not stay on. My question is could this be a ...
  A: This is either a problem with the : blower fan. A/C-Heater programmer. computer. Please ...
1999 Cad Eldorado hard start12/2/2009
  Q: I have also had a hard start problem, At first it was all the time since I have replaced the F.P.R. ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
1988 Cimmaron V6 Idle Issue12/2/2009
  Q: Car died today on my daughter as she was driving low speed downtown, and when I tried to restart it ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
Electronic Climate Control problem12/1/2009
  Q: .My air condition work fine at first for a few minutes on auto,then later it turn to econ by it self ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
engine shutting down11/30/2009
  Q: I have a 1988 Cadillac Seville in which the engine will shut down for no apparent reason. If I sit a ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
Tune-up for 98 Cadillac Catera11/30/2009
  Q: How do you do a tune up on a 98 Cadillac Catera? I have the plugs and wires but don't no where the ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
1995 Cadillac Deville Servie Ride Control Ligh on dash11/30/2009
  Q: how does this light get shut off and what does it mean when it says "service ride control". what is ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
91 Cadillac Brougham hesitation11/29/2009
  Q: I have a 91 Cadillac Brougham with only 25,000 miles that hesitates when lightly accelerated and ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
ignition coil11/29/2009
  Q: i installed a new distributer cap, rotor, & coil in a 1983 el dorado. the car wont start , but in ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
dashoard problems11/29/2009
  Q: what is wrong when the dashboard of my 1997 cadillac DeVille is reading "battery not charging"??
  A: You need to perform some battery charging procedures. Please e-mail: onlineautohelp@msn.com in ...
throttle switch11/29/2009
  Q: 1990 deville. starts but runs rough and dies. eng codes f.8.0 .7.0 E52 E26, what do thes codes mean? ...
  A: The throttle position sensor is a totally different component. The throttle switch is within the ...
1999 Cadillac Deville11/29/2009
  Q: I have a 1999 Cadillac DeVille. I pulled some fuses out of the rear fuse block and replaced them. ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
caddy codes etc.11/29/2009
  Q: I have a 1992 cadillac seville sts, with a 4.9 liter. I have had many issues with it since I have ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
electrical-BCM11/28/2009
  Q: I have a 1991 Caddlic Deville 4.9. The car would not start or crank. I by-passed the anti-thieft and ...
  A: Please e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your ...
my 81 cadillac sometimes wont start11/28/2009
  Q: sometimes my 81 cadillac fleetwood brougham de elegance 4-6-8 6 litre wont start.. it fires and ...
  A: Try this test: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. ...
starting trouble11/28/2009
  Q: I have a 1994 deville today is first time having trouble starting i have to pat the gas a little as ...
  A: You are not doing anything but exercising your foot when you PAT the gas pedal. Here is a test ...
my 81 cadillac sometimes wont start11/28/2009
  Q: sometimes my 81 cadillac fleetwood brougham de elegance 4-6-8 6 litre wont start.. it fires and ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
rough engine at start11/27/2009
  Q: For the last 10 days, when I start my 1997 deVille it runs rough as though it's missing and not ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
92 Eldo Dash went blank when I tried to roll the window down11/27/2009
  Q: I have replaced the dash before due to the temp controls no longer working (display and settings ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1999 Cad Eldorado hard start11/27/2009
  Q: I have also had a hard start problem, At first it was all the time since I have replaced the F.P.R. ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
1988 Cadillac Eldorado (4.5 liter)11/27/2009
  Q: I am having two codes coming up as current; even after I clear the codes. They are (120)-twilight ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
92 Coupe DeVille blower motor problem11/27/2009
  Q: The car is a 92 Coupe DeVille. The problem I have with it is that the ac/heater blower motor won't ...
  A: This is a SIMPLE fixable problem that my grandmother could do. If you are mechanicaly inclined or ...
Instrument display and defroster11/27/2009
  Q: This is for a 1994 STS. My instrument display has started to cut off and on randomly. When it cuts ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
96 sts stalls at idle11/27/2009
  Q: car stalls when I stop for longer then ten seconds, no codes. cleaned throttle body and iac, new ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
rough engine at start11/27/2009
  Q: For the last 10 days, when I start my 1997 deVille it runs rough as though it's missing and not ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
obd codes11/27/2009
  Q: 1990 deville. starts but runs rough and dies. eng codes f.8.0 .7.0 E52 E26, what do thes codes mean? ...
  A: You have a shoted throttle switch. If you are mechanicaly inclined or know of someone who is, You ...
94 Concours wiring11/27/2009
  Q: My 94 Concours has sat on my ranch for a while and some of the wiring has been chewed up my rodents ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1987 Cadilac11/27/2009
  Q: I have a 1987 Brougham Cadillac that the heater controls do not work. I can't find a fuse that goes ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
92 Eldo Dash went blank when I tried to roll the window down11/27/2009
  Q: I have replaced the dash before due to the temp controls no longer working (display and settings ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
cadillac catera11/27/2009
  Q: I have a catera all of a sudden it started misfireing and running rough. changed plugs but no change ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Air Shocks, 2003 deville11/26/2009
  Q: I had raised my 2003 Cadillac on jack stands to do some maintenance on the fuel filter, this had ...
  A: If you are mechanicaly inclined or know of someone who is, You will need Test procedures and picture ...
over heating problem11/26/2009
  Q: I have a 1998 Cadillac Deville with the 4.6 V8 Northstar engine. The problem I am having is that the ...
  A: Unfortunately this engine has a very common problem of stripped threads in the engine block which ...
Cadillac deville overheating11/26/2009
  Q: I have a problem with my father in laws "99 Cadillac Deville 4.6L Northstar overheating. It does not ...
  A: This particular engine has head bolt problems that allows combustion chamber pressure from the ...
No power at fuel pump11/18/2009
  Q: My 2000 escalade has no power at the fuel pump plug in. Truck quit running but will crank strong. ...
  A: When you FIRST turn ON the ignition switch battery voltage is provided by the computer to the fuel ...
Service Engine Soon Light 89' Cadillac Deville11/17/2009
  Q: I have a 1989 Cadillac Deville 4.5 litre. My service engine soon light comes on. It does not come on ...
  A: You are EXACTLY CORRECT as this has been a problem with Cadillac for many mant years and to replace ...
93 seda deville - door locks don't work11/17/2009
  Q: Problem: Entry lights on rear doors stay on when all doors closed and turn off when any door is ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
2000 Cadillac STS11/16/2009
  Q: the check theft system light is going on....also car will not start....everything is dead....then ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Service Engine Soon Light 89' Cadillac Deville11/16/2009
  Q: I have a 1989 Cadillac Deville 4.5 litre. My service engine soon light comes on. It does not come on ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
traction control and abs light on11/16/2009
  Q: I have a 96 Fleetwood (RWD 5.7 LT1 64K) and I have both the traction control and the abs light on. I ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
transmission11/16/2009
  Q: my 1995 cadillac sls 4.6v8 transmission will not shift out of first gear. My fluids or full and the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Idol High11/16/2009
  Q: any ideas on why my car is idles high, only when I am on "Park" once I switch gears the sounds gets ...
  A: I need the YEAR and MODEL of the vehicle. If you are mechanicaly inclined or know of someone who ...
How to gain access to the starter on a 1996 4.6L Cadillac Deville11/16/2009
  Q: I see that the starter is located underneath the intake manifold for the 1996 Cadillac Deville 4.6L ...
  A: Just remove the long bolts of the plenum which is the large aluminum cover on top of the engine to ...
throttle position sensor11/16/2009
  Q: 1994 Cadillac DeVille 4.9L. Where is the Throttle position sensor? Would this sensor, if bad, cause ...
  A: Could be either the TPS and or the IDLE SPEED CONTROL MOTOR. If you are mechanicaly inclined or ...
interior light11/16/2009
  Q: what fuse or relay controls the interior overhead light (with dimmer)? it's out and i've checked the ...
  A: Your problem is either with the ILLUMINATED ENTRY TIMER and or the RAP RELAY. If you are ...
transmission11/16/2009
  Q: transmission will not up-shift. 1996 Cadillac Sedan. ANSWER: Did you resolve your problem. I have ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1999 Seville sts instument cluster11/16/2009
  Q: my 1999 seville STS instrument panel just recently started acting funny. While driving, or just ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1994 Cadillac Sedan DeVille11/14/2009
  Q: i was driving and the felt like the brakes applied and it seemed like it shifted onto neutral, ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
2001 Deville engine smoke11/14/2009
  Q: I just purchased a 2001 Cadillac Deville with 131000 miles. When the engine is cold and you first ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
misfire11/13/2009
  Q: 1993 deville 125k last tune up 65k car is in great shape and always maintained as far as i know. car ...
  A: You stated that you maintained the vehicle. If the spark plugs and wires were NEVER replaced I do ...
85 coupe deville heater blower11/13/2009
  Q: heater/ac blower not working, ran wire to blower from battery and it works.
  A: Your fault is in most cases a faulty BLOWER MOTOR POWER MODULE. If you are mechanicaly inclined or ...
service engine light11/13/2009
  Q: I have a 2002 cadillac deville( non dts ). i cant get the service engine soon light to go off? I've ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
No power at fuel pump11/13/2009
  Q: My 2000 escalade has no power at the fuel pump plug in. Truck quit running but will crank strong. ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
instument panel11/13/2009
  Q: I have an 89 deville 4.5 ltr fwd and the entire instrument panel incl. both info centers have gone ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
fuel gauge11/13/2009
  Q: i have a 1993 cadillac sedan deville.my fuel gauge keeps blinking "E" .can it be reset to register ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
94 Cadillac STS11/13/2009
  Q: quick question...i have a 1994 cadillac sts and its idling high sometimes..it would idle up to 3 ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
96 Cadi Deville NO RFA DATA11/13/2009
  Q: My keyless remotes stop working. I tried to reprogram them But to no avail, it just says NO RFA ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1989 Seville STS - Key won't unlock door11/13/2009
  Q: I have a manual exterior lock on my 1989 STS. The key will turn to the left, but when turned to the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1992 cadillac fuel data cntr & climate controls11/13/2009
  Q: I have a 1992 cadillac with this identical problem which occured after it was not run for 2 months ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Heater problems11/12/2009
  Q: Recently when I turn the defroster or heater on in my 1986 Cadillac fleetwood brougham, I hear a ...
  A: This would be caused by a faulty A/C compressor that will require replacement. If you are ...
FRONT BRAKE SENSOR11/12/2009
  Q: MY ANTI-LOCK BRAKE LIGHT KEEPS COMING ON. I JUST REPLACED THE FRONT BRAKES AND NOW THE ANTI-LOCK ...
  A: Does sound like a sensor. If you are mechanicaly inclined or know of someone who is, You will need ...
battery draining11/12/2009
  Q: I pulled fuses to see what may be causing my battery to drain, found it to be a 50 amp fuse "body 3" ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
03 Cadillac CTS11/12/2009
  Q: My CTS is jurking like it wants to cut off.It happening every time I put gas in it. I got the O2 ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Fan works slow.11/12/2009
  Q: it's a 4.9 1993 Cadillac Sedan De Ville. Radiator and Heat/AC fans suddenly started to work very ...
  A: YES, It does. If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL ...
2003 deville heater fan11/12/2009
  Q: fan works fine warmmonths doesnot come on in cold weather ANSWER: If you are mechanicaly inclined ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Display went blank11/12/2009
  Q: my sister just bought a 99 devill with 34,000 miles on it. while driving it she had to break ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
car not starting11/11/2009
  Q: What is the problem when the car cuts off while in the process of driving without a warning and you ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
"Check Coolant Level" problem....11/11/2009
  Q: I just purchased a used 1994 Cadillac Seville SLS (i think its SLS) in september. The whole time i ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Blower Motor/Electrical system11/11/2009
  Q: I have a 1995 Cadillac Fleetwood Brougham and the blower motor is not blowing like it should be. It ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
cadillac11/11/2009
  Q: i have a 2004 cadillac cts i put new brakes and tires on and the hh the abs and traction control ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Cadillac trouble codes11/11/2009
  Q: I have a 2003 Cadillac cts and I read codes via the diagnostic connector with my scan tool. I can ...
  A: yes. If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM ...
no heat11/11/2009
  Q: 1993 cadillac 4.9 upper heatercore luke warm lower hose hot but no heat inside plugged heater core ? ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
car problem11/11/2009
  Q: i have a 95 deville and my dash board lights up every thing comes on but doesn't move like the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Cadillac locked in ignition11/11/2009
  Q: The key of my Cadillac CTS stuck in the ignition. I have tried to take it out but it does not come. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
ride control replacement11/10/2009
  Q: I have a 2003 Cadillac EXT. My mechanic determined that the ride control module was faulted and ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
ignition11/10/2009
  Q: I have a '90 cadillac deville that i just installed a new ignition in. The key won't even turn over. ...
  A: If I bypass the VATS will the key turn? NO. If you are mechanicaly inclined or know of someone who ...
trouble shoot starter11/10/2009
  Q: cadilac 2005 cts at turn ignition it clicks i turn/rotate crankshaft than it starts shall i replace ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
my car wont crank or turn over11/9/2009
  Q: my cadillac 94 sts 1 day 1 turned the key and nothin happen no crank all the power works headlights ...
  A: What you have is a problem with your PASS-KEY security system. If you are mechanicaly inclined or ...
91 Cadillac eldo biarritz11/9/2009
  Q: We are having issues with our car stalling, it's like it chokes out while driving. then it starts ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1999 Cadillac Seville STS WON'T start! :(11/9/2009
  Q: I just bought a 1999 Cadillac Seville STS last Saturday for my first car. It has a blown head ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
94 Cadillac STS11/9/2009
  Q: quick question...i have a 1994 cadillac sts and its idling high sometimes..it would idle up to 3 ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1990 cadillac deville that won't start11/9/2009
  Q: Car will not start with key. Mechanic shop starts it by putting jumping cables on the battery and ...
  A: Sounds like a PASS-KEY security problem. If you are mechanicaly inclined or know of someone who is, ...
2005 CTS Starting Problem11/9/2009
  Q: I have a 2005 Cadillac CTS and I am experiencing problems with starting the car. The problem is ...
  A: The starter relay is located behind the glove box and this IS what you are hearing. Therefore, You ...
1994 DEVILLE REAR SUSPENSION11/9/2009
  Q: I HAVE REPLACED THE SHOCKS AND COMPRESSOR ONLY TO FIND OUT THAT I HAVE AN AIR LEAK.THE AIR LINE FROM ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
transmission overhaul11/9/2009
  Q: My 1995 Cadillac transmission had a complete overhaul, now it will die when coming to a stop. This ...
  A: If you DID NOT have this problem prior to the transmission failure, I am NOT buying their story that ...
turn signals and four ways11/7/2009
  Q: i have a 98 cadillac deville my signals and four ways are not working i changed all bulbs.. is it a ...
  A: Did you check the flasher units ?. Did you check the fuse ?. Possible turn signal assembly in the ...
radio wire11/7/2009
  Q: when removing the factory radio what color wire is continuous power? there is three wires seperate ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
hvac blower motor11/7/2009
  Q: I have a 95 cadillac northstar that has the push button controls for fan and heat. the motor under ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1993 deville 4.9 ltr won't start11/7/2009
  Q: the car sits for exstended periods motor turns over fine there is spark and i can hear the fuel pump ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Why is the E on?11/7/2009
  Q: I have a 95 devill with about 165,000. I recently filled my tank up and started the care like normal ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1993 Sunroof Drains11/7/2009
  Q: My 1993 Cadillac after it rains heavy gets water on rug behind drivers seat. I believe the sunroof ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1993 cadillac seville11/6/2009
  Q: Heater blows cold air, I check behind glove box, rod moves fine. In heater mode, hose going into ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1994 Cadillac Deville 4.9L V811/6/2009
  Q: My service engine soon light keeps coming on right before my caddy dies. I had diagnostics test done ...
  A: What CODE # were you getting ?. The only other causes that can cause this failure are: an ...
Code 74111/6/2009
  Q: I have a 1999 eldorado Cadillac. Service engine soon light came on about one month ago. I had my ...
  A: Your problem is that the TORQUE CONVERTER CLUTCH SOLENOID which engages and disengages the OVERDRIVE ...
88 deVille ( fuse for radio11/6/2009
  Q: this fuse is not in the panel, please help no power to the fuse they is some were a could find ...
  A: In order to receive Electrical schematics of the radio: If you are mechanicaly inclined or know of ...
cadillac 2003 sls crankshaft sensors locations11/6/2009
  Q: I understand that there are 2 crankshaft sensors a & b . Where do i look for these 2 sensors? Are ...
  A: The upper sensor is "A" and the lower is "B". Aftermarkets are ok to use. sensors are like light ...
Eldorado shimmy11/6/2009
  Q: my 1997 Cadillac Eldorado shakes and shimmys when exceeding speeds of 45 mph and a squealing sound ...
  A: When you start feeling the vehicle shaking try this: while maintaing your speed when the car is ...
2003 deville heater fan11/6/2009
  Q: fan works fine warmmonths doesnot come on in cold weather
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
fuel filter11/5/2009
  Q: My cadillac is sputtering
  A: I need the following information: YEAR: MODEL: ENGINE SIZE: IS or HAS the CHECK ENGINE light ...
85 Cadillac Eldorado11/5/2009
  Q: It's a 4.1 and it is very lazy, it has a slow pick up and it hesitates. What could be the problem? ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
engine heads11/5/2009
  Q: i have a 97 cadillac Deville that the temperature kept rising and i replaced the thermostat and ...
  A: Yes, This particular engine does have head bolt problems that cause the head bolt threads in the ...
engine problem11/2/2009
  Q: I REPLACED THE BOTTOM RADIATOR HOSE,THERMOSTAT, HAD AN OIL CHANGE DONE. NOW ENGINE IS SMOKING WHITE ...
  A: White smoke from the exhaust and white milkish residue in th engine oil is a classic very common ...
overheating10/24/2009
  Q: my 96 caddy deville keeps overheating. have replaced the thermostat twice and bled the air out of ...
  A: This engine has a history of strpped head bolt threads in the aluminum engine block causing ...
Heater Core in 1998 Catera10/24/2009
  Q: The driver's side of the heating system, including windshield defrost, is blowing cold air. The ...
  A: Take that Chilton book and throw it in the trash. It is totally USELESS. Your problem is with the ...
rearwheel speed sensor 1994 cadillac sedan deville10/23/2009
  Q: My ABS light is on after a brake job the diagnostic said it was the sensor can the sensor be ...
  A: FIRST make sure that the connector is plugged in correctly and then try CLEARING the code via the ...
flooding out & wont run10/21/2009
  Q: on start up a 4.5 eldorado immeadiately chokes down & billows very heavy black smoke un till it ...
  A: ais or HAS the CHECK ENGINE light ever illuminated while driving the vehicle prior to thios problem ...
Cadillac Deville oil leak10/19/2009
  Q: I have a 1997 Cadillac Deville Concours, 146,000 miles, and I recently sprang an oil leak. Now I ...
  A: Repair cost depends upon WHAT is leaking. IF you have oil up to the FULL MARK on the dipstick and ...
1994 cadillac concours10/17/2009
  Q: When i drive my 94 caddy concours will drive fine for like 15 minutes then start stuttering, then it ...
  A: OK, Then you have a problem with the electronics system within the vehicle and we need to perform ...
2001 Eldorado Ignition Key10/17/2009
  Q: I had the ignition key in my 2001 Eldorado changed some time ago and it now signals the key is in ...
  A: Apparently the micro switch inside the ignition lock is still making contact. We would need to ...
1994 Cadillac sts10/17/2009
  Q: I just finished reprogrammimg the keyless entry remote and got the doors to lock and unlock great ...
  A: We would need to perform simple test procedures on the entry system in order to determine what is at ...
1999 STS Heated Seat10/17/2009
  Q: I have a 1999 STS, my driver side heated seat does not work. I know for a fact that the switch works ...
  A: The ONLY way to determine what is at fault is to perform simple test procedures using a DIGITAL ...
Codes on 1992 Eldorado10/17/2009
  Q: The "service engine soon" light is on. I read the codes and came up with E046 and E090, also ED02 ...
  A: You did NOT answer my request as to which CODES are either Current or History. The fuel balance can ...
service engine soon light10/17/2009
  Q: will a transmission mount that ive noticed broken be the problem? light comes on but when i cut the ...
  A: A broken motor mount is highly unlikely to be causing the CHECK ENGINE LIGHT to illuminate. You need ...
1994 Cadillac Deville 4.9L Sedan10/17/2009
  Q: Pulled into a parking lot yesterday. Parked the car. When I returned I inserted the key into the ...
  A: You can try putting a SMALL amount of any type of oil on your ignition key and work it back and ...
94 caddy deville10/17/2009
  Q: I have a 94 caddy deville 4.9 engine. the symptoms are as follows. runs rough like its missing on ...
  A: Since this engine has a long history of head gaskets leaking due to loose head bolts which cause ...
Codes on 1992 Eldorado10/16/2009
  Q: The "service engine soon" light is on. I read the codes and came up with E046 and E090, also ED02 ...
  A: After EACH code displays either the word HISTORY or CURRENT appears. Whisc codes are CURRENT and ...
94 caddy deville10/15/2009
  Q: I have a 94 caddy deville 4.9 engine. the symptoms are as follows. runs rough like its missing on ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
83 deville problems10/15/2009
  Q: its starting to get a bit cold outside so i was wondering if you would be able to help me with this ...
  A: We need to perform some VERY SIMPLE tests using a DIGITAL VOLT/OHM METER which you can buy at ...
starter does't turn10/14/2009
  Q: Good day.Mr.expert i have 1991 Cadillac Deville when i turn the key to start no current come to the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1988 cadillac elderado security lite10/14/2009
  Q: i have a 1988 cadillac elderado and my security lite flashes and stays on at all times flashing even ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
94 eldorado S061 trouble code10/14/2009
  Q: I have a 1994 eldorado, 4.6 northstar. I checked the onboard computer and it showed a S061 current. ...
  A: You have a LEFT FRONT POSITION SENSOR FAULT. We need to perform some very simple tests using a ...
1994 cadillac concours10/14/2009
  Q: When i drive my 94 caddy concours will drive fine for like 15 minutes then start stuttering, then it ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
Car Heater10/10/2009
  Q: My car heater runs awesome while im driving but when I go to stop and im ideling for a bit its ...
  A: Could be a stuck OPEN thermostat, Fault in the AC/Heater programmer, Faulty vacuum line. IS or HAS ...
1994 seville sls dies when i touch the gas10/10/2009
  Q: I have 94 seville sls...when i touch the gas pedal the engine dies. I've changed the fuel filter and ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
2000 escalade10/10/2009
  Q: My friend has a 2000 escalade. It quits for no reason. Sometimes it will be ok. Last time she drove ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
fuel pump10/10/2009
  Q: I remember the older Cadillacs would make a buzzing sound and a light won the dash would display ...
  A: If the fuel pump is faulty or not receiving a TURN ON 2 SECOND signal you will NOT hear the 2 second ...
codes for my 93 cadillac coupe deville10/9/2009
  Q: i did the warmer and off test and got the codes e40 e52 ee f48 7.0 and couldnt find what the ...
  A: E40 = power steering pressure switch fault. E52 PCM (computer) reset. F48 = very low freon in the ...
98 cadillac sls hibeam10/8/2009
  Q: The driver side Hi beam is putting out aprox. 6 volts and won't light the head light I checked ...
  A: Check the BLACK WIRE at the headlight as this is the ground circuit as it is either LOOse and or ...
caddy10/7/2009
  Q: i have a cadillac elderado 97 it taking a few seconds to start up sometimes not all the time what ...
  A: Could be a fule pump relay fault. Here is a test procedure to see if the fuel pump works when your ...
1999 Cadillac Seville10/6/2009
  Q: Car overheats when driven any distance over 20 miles. My mechanic says it can't be fixed & that I ...
  A: What your problem is IS that the aluminum head bolt threads in the engine are stretched/stripped due ...
overheating cadillac sts10/6/2009
  Q: but if i put in neutral and give it some gas it returns to normal. It sometimes returns to normal ...
  A: I would flush out the system with a flushing agent that you can purchase at most any auto parts ...
Code F4110/5/2009
  Q: 5 l FWD. I retrofitted my AC to R134a long ago. Ever since my AC never worked fine. BCM kept ...
  A: The reason that the codes are displaying is that the low pressure sensor is calibrated for R-12 ...
87 Cadillac Eldorado A/C10/5/2009
  Q: My son recently purchased a 87 Eldorado and the original owner said he had had the old refrigerant ...
  A: The statement that you quoted is MINE and YES the newer refrigerant causes the low side pressure ...
CCR service ride code/front struts10/4/2009
  Q: I get service ride code have checked evertything to include attempting to buy new front struts ...
  A: What we need to do is to see what CODE you are getting and test the system to see EXACTLY what the ...
1991 fleetwood fwd bad gas milage10/4/2009
  Q: I have had all spark plugs changed wires dis.cap air filter used to get a reading of280miles on ...
  A: If your going by the fuel mileage display mounted on the dash, This is only an AVERAGE amount of ...
car won't start10/4/2009
  Q: My 91 sedan deville won't start came home got out got in that was my result no security on ...
  A: Is what you are telling me is that when you turn the ignition switch to the start position you hear ...
POWER BRAKE BOOSTER10/4/2009
  Q: I HAVE A 1990 CADILLAC FLEETWOOD AND MY BRAKE PEDAL ONE DAY GOT VERY HARD ON ME. I TOOK IT TO A ...
  A: There are 2 different brake systems that were used in 1990. Are you POSITIVE that you have a big ...
94 sts10/3/2009
  Q: I had the wire at lock cylinder that broke. i striped wire back and twisted it together taped it ...
  A: What we need to do is to test your repair with a DIGITAL VOLT/OHM METER and e-mail you some pictures ...
torque converter10/3/2009
  Q: I currently own a 2001 cadillac seville sts. The service engine light is on and I was told that it ...
  A: Did they tell you that it was your TORQUE CONVERTER or did they tell you it was your TORQUE ...
PCM P0442/Fuel Gauge10/3/2009
  Q: I own a 1999 Cadillac STS. I've received this code (PCM 0442) one week after just having the fuel ...
  A: This sounds like a fault in the new sending unit that was just installed in the fuel tank, Which ...
a/c control/fuel data center10/3/2009
  Q: 1993 Cadillac sedan deville 4.9// fuel data center and electronic climate control screen are black ...
  A: We will need to perform some simple test procedures using a DIGITAL VOLT/OHM METER which you can ...
rear suspension system10/2/2009
  Q: i have an 1986 cadillac sedan deville and the back is very low is there a coil spring conversion ...
  A: Your most likely suspect is the HEIGHT SENSOR which is very simple to test and or replace if needed. ...
error codes10/2/2009
  Q: i need to know what the following error codes mean P017 history P030 history P052 history P065 ...
  A: What you need to do is access CLEAR (delete) ALL the HISTORY codes via the CLIMATE CONTROL PANEL ...
Service Ride Control10/2/2009
  Q: I have a 1992 Cadillac Eldorado with approx.59,000 original miles on it.Recently the dash readout ...
  A: What we need to do is access the computers and see what FAULT CODES are stored in the computers and ...
93 caddi10/1/2009
  Q: my battery keep going dead and i thought it was the alienator but its not so im thinking is it a ...
  A: You need to install an AMP METER between the negative battery cable and the battery to see how many ...
cadillac10/1/2009
  Q: where is the starter located at on a 1995 cadillac and where is the tramission neutral safety ...
  A: If you have a FRONT WHEEL DRIVE vehicle the neutral starter safety switch is located on top of the ...
brake light /traction error10/1/2009
  Q: 2003 seville- my brake lights are not working -fuse ok -trunk brake lights work -is by brake light ...
  A: Your fault is in the barke switch under the dash at the brake pedal. Replace it and CLEAR (erase) ...
1998 Cadillac DeVille cooling system10/1/2009
  Q: I have a 1998 DeVille that is overheating after I have replaced the thermostat, radiator, and ...
  A: P0115 = Engine coolant temp to high. You need to test the COOLANT TEMP SENSOR (CTS) on the engine. ...
alternator10/1/2009
  Q: My 1993 sts will crank however, it cuts off again I have had a fuel pump, sensors,and starter ...
  A: Sounds like a lot of GUESSING and EXPENSIVE replacing of unnecessary parts is what is goin on here. ...
Starter Replacement9/30/2009
  Q: Where is the starter located on a 92 4.9L Cadillac Eldorado and how do you replace it? Note: Its not ...
  A: The starter is located behind the drivers headlights and slightly to your left attached to the ...
fuel pressure9/30/2009
  Q: We have a 1979 caddy Elderado what are the two fuel pumps for and how can we test them. Thanks
  A: The MAIN fuel pump is mounted on the undersdie of the vehicle against the vehicles frame. The other ...
1990 Cadillac Sedan Deville9/30/2009
  Q: My car will not start or idle it acts like it wants to start but wont ive went through everything ...
  A: You most likely have a fuel PRESSURE/VOLUME problem with the fuel pump and or the fuel pump relay. ...
90 Cadillac Fleetwood FWD9/30/2009
  Q: I have a 90 Cadillac Fleetwood FWD. My a/c blower quit working. I have changed out the blower ...
  A: Your fault requires electrical schematics and easy to follow test procedures so that you can test ...
issues with 1992 cadillac sts9/30/2009
  Q: I can start the car up perfectly and drive it a short distance, park it and cut the ignition off.I ...
  A: What you have is a fault within the PASS-KEY security system which is most always caused by a fault ...
fuel gauge not working9/30/2009
  Q: I have a '86 Cadillac Fleetwood Brougham and recently the fuel gauge just stopped working. Its at ...
  A: Naturally the fault is either the: fuel guage. Fuel sending unit in the gas tank. Faulty ...
A short to ground from one pos. bat lead9/29/2009
  Q: I am working on an 1995 deville concourse. The battery-new and fully charged would drain dead while ...
  A: This is NOT the correct way to resolve your problem. What you need to do is put an AMP METER on the ...
Overheating9/29/2009
  Q: I have a 96 Deville that was diagnosed at a shop (not a caddy dealership) to have a water pump ...
  A: What you have is the common fault of combustion chamber pressure getting into the coolant passages ...
Help9/29/2009
  Q: what part of the car does it want me to service. thank you ANSWER: What you need to do is access ...
  A: Your problem is that you have a fault in the PRNDL switch which tells the computer what gear you are ...
95 sts run rough9/29/2009
  Q: 95 sts- replaced tps and iscm. car peddle was twitching. this problem fixed. Car throttle still ...
  A: P052 = battery voltage was removed from the computer. You most likely disconnected the battery. ...
Cadillac Eldorado9/28/2009
  Q: How do you trouble shoot AC pressure sensor? ANSWER: I need more information. ---------- FOLLOW-UP ...
  A: There are TWO pressure sensors a HIGH and a LOW pressure sensor. You can test them with a DIGITAL ...
driveability9/28/2009
  Q: THIS 4.6 HAS AN INTERMITANT MISS,ENGINE SURGES AND STARTS HARD IN THE MORNING WHAT COULD BE CAUSING ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
Service Ride Control9/28/2009
  Q: I have a 1992 Cadillac Eldorado,with approx.59,000 miles. The dashboard message says,SERVICE RIDE ...
  A: IF you are mechanically inclined and do your own repairs, This simple diagnosis and repair procedure ...
98 Deville Computer problem9/28/2009
  Q: I just purchased a 98 Deville. It has some sort of electrical problem caused by the heater core ...
  A: You are going to need a DIGITAL VOLT/OHM METER which you can purchase at Wal-Mart for $20.00 or at ...
Help9/28/2009
  Q: what part of the car does it want me to service. thank you
  A: What you need to do is access the vehicles computers and see what CODES appear on the FUEL DATA ...
driver side window control unit fuses9/28/2009
  Q: My windows don't go up or down. I check the one fuse under the rear seat. located at #5. it was not ...
  A: The windows are on a CIRCUIT BREAKER. What you will need, IF you are familiar with how to use a ...
98 sts will not start9/28/2009
  Q: i have a 98 caddy eldorado sts and i did some work on it and after i got done the car ran perfect ...
  A: Perform this TEST procedure and let me know your results. 1. Remove the gas cap. 2. Listening very ...
climate control9/27/2009
  Q: we have a 95 sedan deville in which when you turn the ignition key on the climate control panal ...
  A: You either have a fault in the DATA LINE going from the instrument panel to the BCM computer which ...
help9/27/2009
  Q: How do you know if you have a blown head gasket is it very expensive to reoair for 1995 cad dev
  A: Blown head gaskets usually cause WHITE smoke from the exhaust. They can also cause: Constant adding ...
1991 Cdilac Deville-Air Conditioning9/27/2009
  Q: I had a repair shop change my sys. from R-12 to R-134. They changed the quick connects and ...
  A: Re move the compressor, orfice tube, Receiver/Dryer (accumulator)and FLUSH out all the lines with an ...
1995 Seville SLS control head9/26/2009
  Q: I just got a 95 SLS with 69k miles from a friend. The car has sat for about a year, but before that ...
  A: You can obtain any CODES via the climate control panel by performing this procedure: FIRST: ALL the ...
my 1993 cadillac fleetwood brougham9/26/2009
  Q: there's no power getting to my fuel pump after i put a meter to the grey wire and ha my son to turn ...
  A: When you first turn ON the ignition switch the computer sends a 2 second battery voltage signal thru ...
96 Seville AC problems9/26/2009
  Q: My ac doesn't come out the front vents just floor and defrost vents at windshield. the arm keeps ...
  A: Also the ac seems to shut of or click and then click back on is this normal? NO it is NOT normal. ...
car repair - digital dash9/26/2009
  Q: I sent a question about my digital dash going blank but forgot to tell you it was a 1999 cadallic ...
  A: Test procedures must be performed at the instrument cluster. If you are mechanically inclined and ...
smell gas, sputters shutoff loss power run ruffffff9/26/2009
  Q: 94 Cad. Fleetwood; changed sparkplugs/wires---car sputters & shakes when standing still, will ease ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1994 sts wont starter9/26/2009
  Q: My cadillac sts is not starting I think is the starter but it could be that old battery how volts ...
  A: First you need to have someone with jumper cables to help you start your vehicle. Next you need to ...
95 Cadi Deville9/23/2009
  Q: I have a 95 Cadi Deville, 4.9L Base model. My valves rattle even though the oil dip-stick shows ...
  A: What you need to do is install an external oil pressure gage on the engine and physically see if the ...
1970 Cadillac Deville Rough Idle9/23/2009
  Q: I recently ran my 1970 Cadillac Sedan deVille with 49,000 miles out of gas by not paying attention. ...
  A: There is a micron filter located at the bottom of the pickup tube in the gas tank but I seriously ...
sls problems9/23/2009
  Q: I have a 2001 sls that has an ignition problem. Sometimes, but not all the time I will turn the key ...
  A: The most common fault is the 2 wires that attach to the ignition lock cylinder on the steering ...
vehicle won't start9/23/2009
  Q: my 2002 Cadillac deville dhs ran out of gas after refueling it to about a quarter of a tank it still ...
  A: Perform this TEST procedure and let me know the results. 1. Remove the gas cap. 2. Listening very ...
98 STS Jump Started Driver Air No Blowing Hot9/23/2009
  Q: So I took my car in today to have new tires put on and when they got it off the rack they had ...
  A: What you have is a simple problem with the drivers side damper door actuator which needs to be ...
1991 cadillac eldorado air conditioner sensor9/22/2009
  Q: i had the 91 el Dorado air conditioning system changed from R-12 to R-134a. the air conditioner ...
  A: You CANNOT convert this system from R-12 due to the calibration of the sensor. To date there is no ...
cadillac suspension problems9/22/2009
  Q: I have a 1999 deville,the self-leveling shocks were not working.the dealer put in a new air pump and ...
  A: You can test the system for air leaks in the air tubing from the pump to the shocks by putting 300 ...
1989 Cadillac Fleetwood 4.5L FWD9/22/2009
  Q: Digital display for fuel and heating controls have no display other than a C or D. Intermittently ...
  A: If you are saying that you DO see a -c or a -d according to your statement above, Then you need to ...
Engine Temp9/22/2009
  Q: Why is my engine hot even after short driving period? ANSWER: I need the following information of ...
  A: Is the cooling fans working when the engine gts to normal operating temperature of 220 to 230 ...
1985 Cadillac Eldorado9/22/2009
  Q: My mechanic just replaced what he called a "map sensor" due to what he said was "blueish" smoke ...
  A: It IS. What you can try and sometimes it works quite well. Go to any auto parts store and ask for ...
transmission fluid in coolant9/21/2009
  Q: I have a 93 seville northstar,I blew a rad hose and when i went to replace it i notced that the ...
  A: YES, This IS possible that one of the plastic side tanks that cool the transmission fluid is leaking ...
1985 Cadillac Eldorado9/20/2009
  Q: My mechanic just replaced what he called a "map sensor" due to what he said was "blueish" smoke ...
  A: It is one of many sensors that send information to the computer in order for the computer to ...
1987 Cadillac Eldorado9/20/2009
  Q: two issues...1st the computer display is out however the computer is still functioning & i can still ...
  A: On any of the displays do you see any of these being displayed: -c -d -151 The blower control ...
low fuel warning9/19/2009
  Q: lately when i fill my gas tank, the low fuel warning appears, tonight it flashed the dire warning ...
  A: This is most likely a fault in the fuel sending unit in the gas tank. However pictures and simple ...
tranny probs and other stuff9/19/2009
  Q: just purchased a 94 sls. the tranny is not shifting. rpms rev up to about 4500 to 5000 on the ...
  A: Service ride control means that you have a problem with your vehicles electronic suspension system. ...
stalling9/17/2009
  Q: I have a 93 cadillac STS and after I have been driving it for about 30-45 min. when I come to a stop ...
  A: T073 is a fault between the computer and the traction control computer. Due to the picture ...
climate control and brake bleeding issue9/17/2009
  Q: man i hope you can help me. car is a 1995 cadillac fleetwood Brougham question 1. just bought ...
  A: There is a specilal bleeding procedure that MUST be followed in order to get all the air out of the ...
1994 Cadillac Seville STS9/16/2009
  Q: I'm having problems with the heating/cooling system, I have no heater and have no defog system ...
  A: If you are referring to the fan that blows the air from the vents on the interior of the vehicle, ...
99 deville repair9/15/2009
  Q: My 99 deville will crank but will not start. i've checked fuses, how do i check to see if fuel pump ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
1992 caddy eldorado starting problem9/14/2009
  Q: I just got a 1992 caddy eldorado from a friend of mine. She put a new 4.9L engine in it about a year ...
  A: Please e-mail: onlineautohelp@msn.com for the procedures required to CLEAR (erase) ALL these ...
diagnostics9/14/2009
  Q: I have a 1990 Sedan DeVille. Check engine light is on, and engine running rough..using too much gas. ...
  A: OK what you need to do now is to CLEAR (erase) ALL the codes and see which ones come back as E codes ...
blown head gasket 99 STS cadillac9/14/2009
  Q: Coolant is leaking into cylinder #3. I am told the head gasket is ruined and it cannot be replaced. ...
  A: There is a very well known problem with the steel head bolts stretching out and even stripping out ...
1995 deville9/13/2009
  Q: good afternoon, im looking at possibly buying a 1995 deville, problem is the owner says there is a ...
  A: This particular year falls in the year ranges of having faulty engine head bolts that tear the ...
SES on, smog test failed9/8/2009
  Q: My cadillac 2002 Seville STS ( 120k) has Service engine soon light on & recently it failed emission ...
  A: Does the vehicle have the original catalytic converter(s) on the vehicle ?. Are any of them damaged ...
Anti Lock Sys-Computer problems9/8/2009
  Q: I have a 1992 Sedan deville,first of all the computer that controls my fuel data on the dash broad ...
  A: What diagnostic procedures have you performed to come to the conclusion that your problem is with ...
92 seville 4.99/8/2009
  Q: Replaced tps adjusted to specs reset and did idle learn. Eror codes e021 history e022 current e070 ...
  A: Did you try and CLEAR (erase) ALL the codes via the climate control panel ONLY ?. Disconnecting the ...
diagnostics9/8/2009
  Q: I have a 1990 Sedan DeVille. Check engine light is on, and engine running rough..using too much gas. ...
  A: You can get the CODE or CODES by using the CLIMATE CONTROL PANEL buttons. 1. Turn the ignition ...
Car starts then doesn't9/7/2009
  Q: 91 Cadillac Eldorado starts then won't have to try several times then it will
  A: When the car will NOT start, If the problem is when you try and start the engine and you hear either ...
Code Warnings9/5/2009
  Q: I followed the procedures for reviewing codes. The only codes showing are PCM P0741 Current and PCM ...
  A: P0741 = Torque converter clutch solenoid inoperative. P1860 = Torque converter is being ...
2000 Cadillac Escalade9/5/2009
  Q: After driving about 10 miles, the car will die at redlights or any stops. It will re-start if I pet ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
back firing9/4/2009
  Q: my 92 cadilac deville wont start but back fires what could be wrong with it
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
abs module9/4/2009
  Q: can someone tell me the procedure for replacing the abs module in my 92 caddy deville the anti-lock ...
  A: BEFORE you go replacing it, You need to perform some simple test procedures to determine WHY the ...
sputterring 90 cadillac fleetwood9/3/2009
  Q: i have a 1990 cadillac fleetwood and it started to sputter last week i put a fuel filter on and it ...
  A: Could be a weak fuel pump and or an electrical problem. IS or HAS the CHECK ENGINE light ever ...
89 Cadalic Braughm9/3/2009
  Q: when hot (normal temp) car hesitates & stalls on acceleration/load ,idle is normal
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1995 Cadillac Seville STS9/2/2009
  Q: Going at high speeds, (like around 50 or 60 MPH) the RPMs will suddenly drop and then shoot up to ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
air cond.9/2/2009
  Q: 1973 eldo convt. 41827 orig. miles replaced compressor,exspansion valve p.o.a. valve dryer charged ...
  A: After you installed the new compressor and before you charged it with freon did you remove the oil ...
1997 Cadillac Deville overheating9/1/2009
  Q: Originally overheated in summer 2007. Shop said it needed a new radiator, that was replaced, along ...
  A: What you have is the very very very common fault of every engine of this year and model which is ...
ac9/1/2009
  Q: i turn my a/c on auto and nothing comes out i put some refrigerant in and still doesnt blow anything ...
  A: Is your problem is that you are not getting any air flow from any of the inside vents OR are you ...
electric power lose8/31/2009
  Q: 2001 caddy serville sts engine shuts off all dash lights and gauges go off. engine restarts right ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1994 cadillac sls a/c not cooling the way it should8/31/2009
  Q: i have a 1994 cadillac sls and the a/c doesnt seem to cool the way it should, i checked with a gauge ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
93 STS Northstar Heat Cool Overheat Issue8/31/2009
  Q: I just bought a 1993 sts (northstar) here are the issues ive been having. When the car is on highway ...
  A: Unfortunately it does sound like you are getting combustion chamber pressure into the coolant ...
1999 Cadillac engine stalling8/30/2009
  Q: My 99 Deville with the Northstar 4.6L engine will randomly stall when I release the gas pedal. This ...
  A: I have lots of possibilities, But until it happens when it is in my hands and or the dealers ...
2002 cadillac deville dts8/30/2009
  Q: I recently purchased this 2002 CADILLAC DEVILlE DTS, for $6000, had it since july'09....It has ...
  A: Try this test procedure: Here is a test procedure to see if the fuel pump works when your problem ...
Speedometer and Tachometer don't work8/30/2009
  Q: I have a 1997 Cadallic Catera and the Spedometer and Tachometer don't work however the Odometer ...
  A: Did BOTH the speedometer and the Tachometer quit at the same time ?. There are several causes, ...
overheating8/30/2009
  Q: ok i was told by aamco repair shop i needed an ecm for 94 cadillac concourse deville , it took them ...
  A: What was the first places reason for replacing the ECM ?. The second place should have know that ...
1997 Deville Electrical8/29/2009
  Q: None of my windows no longer have power, also my cd player is getting now power. My highbeams no ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
95 eldorado8/28/2009
  Q: 95 eldorado idles fine but dies while driving. pull over turn ignition off and it restarts. i have ...
  A: YES, It could be an intermittent fault in the fuel pump or a faulty computer signal back to the fuel ...
96 Cadillac Oil Light problem8/28/2009
  Q: I have a 96 Cadillace Seville, Oil pressure light goes on when car has been running and I apply ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
95 eldorado8/28/2009
  Q: 95 eldorado idles fine but dies while driving. pull over turn ignition off and it restarts. i have ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1999 Cadillac Eldorado starting problem8/28/2009
  Q: Battery goes dead after short trips. Battery has been replaced 3 times in 4 months, and the ...
  A: The only Test the electrical system to see how many amps is being drawn out of the battery when the ...
timing8/28/2009
  Q: is there a plug that has to be unpluged inorder to adjust the timing properly on a 4.9 cadillac ...
  A: With the engine at normal operating temp look under the dash near the steering column and you will ...
91 fleetwood fwd need jumped always8/28/2009
  Q: My 91 fleetwood has a new motor new everything exept alt and powersteering pump lately I have needed ...
  A: Have you had the alternator tested with the alternator on the vehicle to make sure that the charging ...
1991 Cadillac DeVille {152,500 miles on the car}8/28/2009
  Q: I have had a new fuel filter & spark plugs replaced on my Cadillac within the past three weeks due ...
  A: WHITE smoke from the exhaust is caused by anti-freeze getting into the combustion chambers. BLACK ...
1997 Cadillac Deville a/c compressor8/27/2009
  Q: I have a 1997 Cadillac deville with a sudden compressor issue. Been working fine until after sitting ...
  A: You need to put a set of AC gages on the LOW and HIGH side pressure ports to see what pressures the ...
97 catera8/26/2009
  Q: where is the fuel pump located. our car has been misfiring and one day i was driving around a corner ...
  A: Here is a test procedure to see if the fuel pump works when your problem occurs. 1. Remove the gas ...
anti theft deterent system8/26/2009
  Q: both my keys have the chips but the car died on me while i was driving and it keeps saying wait ...
  A: In most cases the 2 small wires that are attached to the steering wheel lock assembly are famous for ...
95 cadillac deville ac compressor off wont start overheats8/24/2009
  Q: After my husband drives the car for a while the cold ac blows warm air then the car signals that it ...
  A: When the engine temperature gets to the overheat range the computer AUTOMATICALLY shuts OFF the A/C ...
91 cadillac sedan deville8/24/2009
  Q: I JUST PURCHASED A 91 CADILLAC 4.9 WITH 99,000 MILES IT HAS A LOW END KNOCK WHEN STARTING AND WHEN ...
  A: A low end knock could be: crankshaft MAIN bearing(s). Piston(s) CONNECTING rod bearing(s). ...
Engine wont start8/24/2009
  Q: How do you start a 4.9L 1992 Eldorado remanufactured engine that has just been installed? It will ...
  A: Pull the spark plugs and see if they are WET with gas and or are carbon fouled which will show as a ...
reset8/24/2009
  Q: my car battery died and after jumpstarting the car the abs and airbag lights stay on also the fuel ...
  A: I wanted to see what codes were in the computers and if there were no CURRENT codes stored in the ...
window motor cadi dev 20008/24/2009
  Q: do I need to take it to cadi dealer( expensive) or to my local repair shop.... to fix a window that ...
  A: You can obtain detailed pictures and instructions on how to test the window switch to see if the ...
wont start8/24/2009
  Q: when trying to start i hear a chunk sound , replaced starter and still same problem . not battery , ...
  A: Make sure that the AC controls are totally OFF before you try and start the engine and see if you ...
CADILLAC CATERA REPAIRS8/24/2009
  Q: WHAT IS THE PROBLEM?
  A: This could be either electrical or fuel related. 1. Will it start right back up ?. 2. Check to see ...
1982 cadillac broughm8/24/2009
  Q: not getting power to electric fuelpump
  A: Try this: 1. You will need 2 people. 2. Remove gas cap and have 1 person listen at the gas cap ...
Engine wont start8/24/2009
  Q: How do you start a 4.9L 1992 Eldorado remanufactured engine that has just been installed? It will ...
  A: NOT carb cleaner, You have to use STARTING FLUID. Try this AFTER you try and start it using ...
1999 Cadillac Eldorado antitheft8/23/2009
  Q: I drove my car to the store came back out and the anti theft system had disabled it. I have both ...
  A: If when you try and start the engine and you hear no turning or running of the engine, You have a ...
my car is broken8/22/2009
  Q: What would be some of the possibilities of why when i turn the key nothing happens. the relays ...
  A: If you have NOT had any work at all performed on this vehicle lately and the headlights still shine ...
1989 deville air conditioning8/22/2009
  Q: In auto mode demanding cooling there is delay in compressor clutch engagement. Sometimes a minute ...
  A: I know just the expert you need to e-mail as I am also a little stumped as to what it could be ...
1990 cadilac deville8/22/2009
  Q: I replaced whole steering column to replace ignition key cylinder with a column that had a key I ...
  A: The original key that you had was specifically coded with a certain resistance value which has to ...
a/c compressor8/22/2009
  Q: compressor will not come on, i applied ground to the relay and the compressor ran, i replaced the ...
  A: The most common fault is that you have a leak in the AC system and you need to have the leak fixed ...
1990 climate control8/22/2009
  Q: I have a 1991 Buick Park Ave that uses the same climate control system as Cadillacs of that era. ...
  A: The reason that the ECON light is coming ON is that you have a problem in your AC system which could ...
1997 eldorado engine replacement8/22/2009
  Q: i had a mechanic install a 1998 eldorado 4.6 liter engine into my 1997 eldorado etc but can't get ...
  A: The year of the engine makes no difference, You have one of the pulleys that run one of the ...
1999 Cadillac Deville Traction Control Service Stability Control ABS Light On8/22/2009
  Q: 1999 Cadillac Deville 160k miles ABS Light On Traction Control Light On Service Stability Control on ...
  A: After you replaced the sensor did you CLEAR (erase) the code(s) from the computer ?. You can only ...
2002 Cadillac Deville Fan blower8/21/2009
  Q: Cadillac Deville (2002) Sometimes when I unlock the car door the cooling systems comes on. This is ...
  A: My apologies, This problem is unusual. Your problem is either A faulty: Blower control module. ...
2002 Cadillac Deville Fan blower8/21/2009
  Q: Cadillac Deville (2002) Sometimes when I unlock the car door the cooling systems comes on. This is ...
  A: Is what your telling me is that the electric cooling fans turn ON when the ignition key is out of ...
fuel pressure8/21/2009
  Q: my fuel pump humms while giving giving gas at speed of 20-50 mph, i changed the fuel filter and the ...
  A: You had better remove the gas tank and flush it out as you have accumulated some JUNK in the gas ...
E/M switch8/21/2009
  Q: I have a 1988 Cad, DeVille, on the instrument panel, somehow it got converted to Metric, I would ...
  A: Look on your climate control panel the last button should say ENGL ...
1990 Cadillac8/21/2009
  Q: 1990 Cadillac. I commute 100 miles every day. When driving down to work every thing is fine .Upon ...
  A: Without having personal contact with your vehicle to drive it, This is going to be a little ...
caddy not in overdrive?8/20/2009
  Q: How can I tell if my 2002 DHS shifts to overdrive during highway driving? What should the RPMs be at ...
  A: With the engine at normal operating temperature, maintain a steady speed of 65 miles per hour and ...
vats8/20/2009
  Q: how do i bypass the vats on a 95 cadillac sts? and what is the keypass?
  A: I do NOT bypass anything. However I will help you fix it. The pASS-KEY is the little micro chip ...
1997 elderado8/19/2009
  Q: have no power to fuel pump but have power to the fuses and the relay what should check next ...
  A: The GRAY wire is battery voltage for the fuel pump and the black is the GROUND. What you need is 2 ...
1997 elderado8/19/2009
  Q: have no power to fuel pump but have power to the fuses and the relay what should check next
  A: How did you determine that you have no battery voltage to the fuel pump ?. If you need professional ...
1993 fleetwood8/18/2009
  Q: hi i have a 1993 fleetwood and when i turn on the air it comes out the defrost and vent but more out ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
2000 Cadillac STS8/17/2009
  Q: The Twilight Sentinel Sensor continually reads Dark even in the brightest sunshine. When the ...
  A: What you need to do is make sure that nothing is covering the sensor FIRST. Second, You will need ...
1981 caddy8/17/2009
  Q: i got a 1981 caddy coupe i replaced a baro and map sensor and everything got better but now it blows ...
  A: Where did you get the new MAP and BARO sensors ?> There is NO hose that goes onto the BARO sensor. ...
99 Cadillac Seville Overheating8/16/2009
  Q: I have a 99 Cadillac Seville, the radiator has been replaced, reservior tank cap, I have removed ...
  A: Questios; does removing the thermostat cuase any problems with this motor? YES it does, You MUST ...
oil and tranny noise8/16/2009
  Q: I bought a 1996 sedan devill and it overheated and I had to replace the motor, they told me they ...
  A: Replacing the motor with a used one was NOT a good choice as all the engines in and around 1996 have ...
91 seville cylinders 3 & 4 not opening8/16/2009
  Q: i recently took my 91 seville with under 100,000 miles to have diagnostic done. i recently had a ...
  A: Were all the cylinders reding between 144-155 ?. If they are, Your problem may be that they have the ...
1985 Cadillac heating/air conditioning8/16/2009
  Q: In the heater core compartment there is a door which closes or opens depending on the temperature ...
  A: Remove the glove box liner using a stubby phillips screw driver and you will see this damper door ...
93 deville wont start8/16/2009
  Q: I drove my 93 Cadillac deville earlier today and it was running a little rough. When I tried to ...
  A: The problem is most likely the starter or the alternator of which you will need to have both tested. ...
Cadillac Escalade-cranks won't turn over8/15/2009
  Q: My 2003 Cadillac Escalade ESV died when I was coming to a stop on the highway and won't turn over. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
ELECTRIC OUT8/15/2009
  Q: ALL MY POWER IS OUT OF SERVICE IN MY CAR.I HAVE TO OPEN CAR MANUALLY AND IT WILL START BUT NOTHING ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
brakes8/15/2009
  Q: ABS, Brakes,traction control light is on how do i turn off.
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
92 Cadillac Seville water pump8/15/2009
  Q: how do you replace the water pump on a 92 Cadillac Seville? And also how do you replace the starter. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
Air ride8/14/2009
  Q: i was just wondering how to adjust the air ride on my 1985 Cadillac elderado. right now its riding ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
cadillac allante8/14/2009
  Q: I just had a right 02 sensor replaced on 1991 allante 79k mi.(the left was replaced 3mos. ago) car ...
  A: The codes are E0 codes. Not ED codes. The only one we are interested in at this time is the E021 ...
91 cadillac seville8/14/2009
  Q: so i was drivin it an parked for a moment ,...it trys to turn over but never starts ...s.o.s plz ...
  A: Try this test: 1. You need 2 people to do this test. 2. Remove the gas cap. 3. Have 1 person ...
1990 Cadillac8/13/2009
  Q: 1990 Cadillac. I commute 100 miles every day. When driving down to work every thing is fine .Upon ...
  A: OK, But if the vehicle sits in the sun all day this can heat up the gas in the fuel tank and if you ...
1976 Cadillac A/C malfunction8/13/2009
  Q: This is a recurring problem on my 1976 Eldorado Convertible with Automatic Climate Control. The ...
  A: Your previous mechanic, Did he have to fix this problem when the weather got hot and then again when ...
power steering control vavle8/13/2009
  Q: My 2004 Cadillac SRX has a power steering control valve leak. Garage says only can get the part ...
  A: I seriously DOUBT that this would be covered. The 100,000 mile warranty only covers major components ...
96 Seville SLS Overheating8/13/2009
  Q: I have a 1996 Cadillac Seville SLS with a 4.6L SFI DOHC V8 engine. It keeps overheating on me and I ...
  A: I would perform a back pressure test where you remove all the spark plugs and the thermostat and ...
BCM- ON AND OFF A/C ETC8/11/2009
  Q: DASH CENTERS GO TO ''C'' THEN RANDOMLY EVERYTHING COMES BACK ON. STILL BCM OR OTHER PROBLEM POSSIBLY
  A: Usually the fault is the BCM, But you need to perform several tests BEFORE you install a new one. ...
Cadillac Starter problem8/10/2009
  Q: I have a 1997 Cadillac Deville. Over the winter my car refused to start when it got cold (between ...
  A: Have someone listen at the gas cap area with the gas cap OFF. You turn the ignition switch to the ...
Cadilliac Ac Problem8/9/2009
  Q: where is the relay for the blower motor located on a 1999 Cadillac deville
  A: Check the fuse box under the hood for the fuse marked CRUISE. It is a 10 amp fuse. Check the fuse ...
Cadillac northstar engine overheating8/6/2009
  Q: I have a 98 Cadillac Deville 4.9 northstar engine and for the last month it has been losing water at ...
  A: This IS avery very common problem with this engine. What has happened is the steel head bolts have ...
Break lights stay on periodically8/6/2009
  Q: I have a 2002 Cadillac escalade. Stability service light came on so I had it serviced in April. ...
  A: Perform this test procedure which will require 2 people. 1. Have one person stand behind the ...
2005 cadillac8/6/2009
  Q: What would cause my car to start shaking and turn off while driving. Know my car will not turn on. I ...
  A: Exactly what is the problem ?. When you try and start the engine via turning the ignition key do ...
99 cadillac deville8/5/2009
  Q: the a/c only blow through the defog and the bottom where the feet is at but it doesnt blow through ...
  A: The most likely cause is a vacuum leak somewhere in the engine compartment. IS or HAS the CHECK ...
1990 Cadillac8/5/2009
  Q: 1990 Cadillac. I commute 100 miles every day. When driving down to work every thing is fine .Upon ...
  A: Does this problem occur when the fuel level in the fuel tank is close to empty ?. Does this ever ...
bad ECM8/4/2009
  Q: 84' Cadillac Fleetwood brougham with 74k miles. While coasting to a stop the engine cut off in such ...
  A: disconnect the wires from BOTH injectors and check BOTH injectors with an ohm meter to see if they ...
1998 Eldorado AC problem8/4/2009
  Q: My 1998 Caddilac Eldorado's Air Conditioning is blowing hot air out of the driver's side vents and ...
  A: You have a faulty drivers side actuator that is not opening the drivers side damper door. If you ...
79 Coupe Deville Ac Compressor noise8/3/2009
  Q: I have a 79 Coupe Deville and recently had a new Ac compressor and drier/accumulator installed and ...
  A: Lack of or excessive compressor oil can also cause this problem . After you installed the compressor ...
power steering pump leak8/3/2009
  Q: We had to replace the power steering pump on our 93 DeVille and now we cannot get it to stop ...
  A: Without physically seeing this leak I really do not have any ideas at all except that possibly the ...
overheating northstar 96 deville8/3/2009
  Q: how can I bypass the heater core on my 96 deville with 4.6 northstar? ANSWER: Just take both hoses ...
  A: I was wondering WHY you wanted to by-pass the heater core. Excessive coolant pressure in this ...
92 deville BCM ????8/3/2009
  Q: While running... A/C shutoff, blower went to high and vented through defrost ducts. Fuel and Climate ...
  A: EXACTLY RIGHT. If you replaced the radio, Do NOT install a new BCM until you get back to me. If ...
Cadillac, codes and removal of ignition switch8/3/2009
  Q: I've got a 89 Cadillac eldorado, the codes I'm receiving are, Codes E052 history, code B127 ...
  A: E052 history only means that battery power to the ECM computer was lost due to the battery being ...
antifreeze leak8/2/2009
  Q: I have a 1993 Caddy sixty special 4.9 liter engine. Bought car drove several hundred miles no ...
  A: The easiest way to find this type of leak is to remove the radiator cap and put on a manually ...
96 cadillac deville8/2/2009
  Q: air compressor will not engage. climate control will not go to auto, stays on econ freon is not ...
  A: If the A/C compressor will NOT engage, How do you know you have enough freon in it ?. What you need ...
97 SLS A/C problem8/2/2009
  Q: My 97 SLS with Northstar engine flashed Lo refrigerant several times then compressor cut off.. took ...
  A: I really need to know what your HIGH SIDE & LOW SIDE freon pressures are reading when the A/C ...
power steering pump leak7/31/2009
  Q: We had to replace the power steering pump on our 93 DeVille and now we cannot get it to stop ...
  A: Without actually seeing your problem it is most difficult to tell where the leak is coming from. Did ...
car codes7/30/2009
  Q: how can i find out if there are any erroe codes for a 99 CADDY STS IF IT WONT START? I CANR BRING IT ...
  A: 1. Turn ignition switch ON. Do NOT try and start the engine. 2. On your climate control panel: ...
99 caddy sts7/30/2009
  Q: just replaced battery and starter- lights and evrythign work car wont start up could it be the alarm ...
  A: Do you hear any engine noise when you try and start the engine or do you hear NOTHING ?. If all you ...
1991 cadillac devile 4.9 SPI7/30/2009
  Q: Rough Idle on cold starts. Engine rpm's surge high and low to the point where the car feels like it ...
  A: F40 means that you have an intermittent fault in the AIR MIX DOOR for your heating and A/C system. ...
1991 cadillac devile 4.9 SPI7/29/2009
  Q: Rough Idle on cold starts. Engine rpm's surge high and low to the point where the car feels like it ...
  A: If you had any sensor malfunction a code would display on either the climate control panel or on the ...
1997 cadillac engine swap7/28/2009
  Q: I am interested in purchasing a 1997 cadillac deville from a friend for about 500 bucks. They said ...
  A: Don't even think about purchasing this vehicle . You would have to purchase a rebuilt engine or ...
1991 cadillac sedan deville7/26/2009
  Q: I am could it be a starter relay or theft deterrent contolller. if so where are they located and ...
  A: To get the codes from the computers: 1. Turn ignition switch to the ON position ONLY. Do NOT start ...
Rear main seal stop leak7/25/2009
  Q: My Caddy Deville has a slightly leaky rear main seal.I added stop leak.Does this stop leak additive ...
  A: Stop leak is designed to swell up the seals anstop the leaks howevwe it also tends to build up ...
cadillac allante7/24/2009
  Q: I just had a right 02 sensor replaced on 1991 allante 79k mi.(the left was replaced 3mos. ago) car ...
  A: You can watch the tachometer to see how many rpm's it drops as you disconnect and reconnect each ...
1991 cadillac coupe diville7/24/2009
  Q: well it looks like i am having the same problems as other people i replaced my starter and my ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle prior to ...
1994 cadillac fleetwood brougham hard starting7/22/2009
  Q: 1994 cadillac fleetwood brougham hard starting will only crank until i push the gas pedal all the ...
  A: Try this test: 1. remove the gas cap and have someone listen at the gas cap opening. 2. You turn ...
92 cadillac deville issues7/22/2009
  Q: been working on a 92 deville replaced cap rotor wires plugs icm fuel pressure regulator it still run ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. If it ...
CTS7/22/2009
  Q: My battery dies overnight, I have replace the battery and alternator and the problem still occurs. ...
  A: A normal battery when sitting for any length of time draws 1/2 amp of voltage from the battery. ...
Electrical Problem on a 1991 ElDorado7/21/2009
  Q: I submitted this question before, and got was was supposedly an answer, but to me it was a set of ...
  A: Do you still have the exact same radio that came with the vehicle or have you installed a different ...
96 deville stall problem7/20/2009
  Q: i own a 96 deville with 4.6 northstar. the problem i'm having is when i start and run the car for ...
  A: whats the difference between oil pressure sender and oil pressure switch ?. Nothing. they are the ...
Head Gaskets7/20/2009
  Q: How much would replacing the head gaskets on a 92 deville, and how mkuch would be considered too ...
  A: Head gasket sealant is only good for clogging up your heater core. Your problem is more likely to be ...
Hood latch broken, hood stuck7/20/2009
  Q: I have a 1988 Sedan Deville, and recently the wire that connects to the hood release inside car ...
  A: Unfortunately the only way to get it open is to take it to a body shop. Prioer to retiring after 30 ...
2000 Deville intermittantly stops running7/15/2009
  Q: I have a 2000 Cadillac Deville that will stop running while on the freeway, stopped at a traffic ...
  A: Cadillac has had numerous problems with the 2 crankshaft sensors which have been redesigned twice ...
94 Cadillac concours blower motor resistor7/13/2009
  Q: The air stopped blowing through the vents in my heating and air system. I had it on low. I changed ...
  A: There is NO blower motor RESISTOR. What your looking for is a BLOWER MODULE. STRONGLY suggest that ...
Floorboard leak7/13/2009
  Q: I have a 1995 fleetwood cadillac that has water leaking in the passenger side front floorboard. I ...
  A: If you put the vehicle up on a lift so you can access the small condensation drain hose located at ...
92 Brougham cranks, won't start7/13/2009
  Q: 5.0L V8 TBI Started checking from fuel tank forward. Pump runs for 2 sec when ignition is placed in ...
  A: Sounds like a fuel pump to me. But you should really put an external fuel pump pressure tester on ...
1992 CADILAC SEVILLE7/12/2009
  Q: What will cause my cadillac to stop shifting it was only happening once and a wile and now it wont ...
  A: OK, Let's see what codes are in the computers: 1. Turn ON the ignition. Do NOT start the engine. ...
94 Sedan Deville high Idle7/11/2009
  Q: my 1994 Cadillac Sedan Deville will sometimes hit a high idle (full throttle, 5000 RPM) I ...
  A: Has there been any work of any kind what-so-ever performed on the vehicle in any manner at all. ...
2004 Cadillac CTS7/10/2009
  Q: My car has started a fairly constant flow of water into my passenger side floorboard. There is ...
  A: If you are POSITIVE that the fluid is WATER and NOT anti-freeze, This would be caused by a blocked ...
follow up to previous questions7/10/2009
  Q: ---- FOLLOW-UP ----------I'm seeing E24 then EE alone as the next reading. then I'm seeing E98 and ...
  A: The display is showing EXACTLY this ? E24 E98 EE E24 E98 .7.0 Is the above correct. If NOT, ...
follow up to previous questions7/10/2009
  Q: ---- FOLLOW-UP ----------I'm seeing E24 then EE alone as the next reading. then I'm seeing E98 and ...
  A: Let's FIRST CLEAR (erase) ALL the codes from the computers and then see which ones return. 1. ...
2003 cadillac cts7/9/2009
  Q: What can be causing the battery to die overnight. I have to recharge my battery about every three ...
  A: Whoever did the work for you either accidentally knocked a wire loose or has other intentions of ...
97 cad deville/ northstar engine7/9/2009
  Q: i saw your answer to a question i have about my engine over-heating?, how do i perform the "back ...
  A: Your referring to a BACK PRESSURE test where you remove all the spark plugs and put a constant ...
a/c not working7/9/2009
  Q: I have a 1992 cadillac eldorado. While driving, hot air comes out of the a/c vents. This happens ...
  A: Retro-fitted AC systems usually run about 10 degrees warmer than the R-12 system due to the ...
2003 CADILLAC CTS7/9/2009
  Q: I have a CTS, every three days I have to charge the battery. I just replaced the battery 6 days ago ...
  A: OK, Is there anything on the vehicle that does not work correctly ?. Has there been anything added ...
1999 STS AC intermitant cooling7/9/2009
  Q: Is there a way to reset auto cooling in 1999 STS, eg,disconnect battery, etc. Pressures good.Cools ...
  A: What are your pressures ?. IS or HAS the CHECK ENGINE light on the dash ever illuminated while ...
codes?7/6/2009
  Q: PC0134 History PC0113 History PC0135 Current PC0603 History PC1644 History TC0073 History RF2560 ...
  A: The only code we are interested in is the CURRENT codes. PC0135 = Right oxygen sensor heater sensor ...
1994 Devill Concours7/6/2009
  Q: I have a 94 Concours with the 4.6L Northstar and the Ride control indicator comes on along with the ...
  A: You have a problem with the RSS (Ride Suspension System) which involves the electronic shocks and ...
Apparent Electrical Failure on 1991 Eldo7/6/2009
  Q: I have a 1991 Cadillac El Dorado that I bought a few years ago from my brother, who purchased it ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated on the dash while driving the vehicle ...
Tranny7/4/2009
  Q: How do i retrieve the codes from the computer on an 88 cadillac deville?
  A: Just to be sure, These instructions are for a FRONT WHEEL DRIVE vehicle with a DIGITAL speedometer. ...
79 CADILLAC SEDAN DEVILLE7/3/2009
  Q: I have some bearings (left rear driver) that went out. Many people have told us to get the straight ...
  A: You can try and drill out the broken pin but it is a 50/50 shot . One the broken pin is removed ...
'83 Cadillac Eldo Biarittz 4.1 ltr DFI6/30/2009
  Q: #1...I bought the car in Wa. and ferried her back to Ca. It's a federal car, but nonetheless, she ...
  A: Your biggest problem is that The federal car has standard emissions system. Californis has a more ...
1994 Cadillac6/30/2009
  Q: The outside temperature reading on my 1994 Cadillac Concours is stuck at 127 degrees. Is there an ...
  A: Absolutely. Replace the OUTSIDE TEMP SENSOR usually is the cause. However, I DO recommend that you ...
2003 chevy malibu6/28/2009
  Q: i understand this is not a caddy,,but its a gm,,son had a minor fender bender a wile back,,both air ...
  A: They are quite simple to install. I STRONGLY recommend that you disconnect the battery cables from ...
92 cad a/c6/26/2009
  Q: I HAVE A 92 SEVILLE W/4.9 ENG. AND CONVERTED THE A/C TO R134A. I REALIZE THE SENSOR DOES NOT ...
  A: As of this date and time there is NO WAY to by-pass the sensor as the computer must see a specific ...
overheating6/26/2009
  Q: I bought this 96 Deville, Northstar 4.6L @ 157K from an aution an it overheats when it warms up. I ...
  A: This is very common . There are some repair facilities you can lower the trans or engine just enough ...
overheating6/26/2009
  Q: I bought this 96 Deville, Northstar 4.6L @ 157K from an aution an it overheats when it warms up. I ...
  A: You have to split the transmission from the engine in order to replace this sensor. As to your ...
96 Seville STS Northstar - 35% decrease in gas mileage6/25/2009
  Q: I have a 96 Seville STS - love the car. bought it with 103,000 miles and it now has 227000 miles. It ...
  A: OK, Here is how to retrieve the codes from the computers. 1. Turn ignition switch ON. Do NOT start ...
1990 cadillac sedan deville odometer problems6/25/2009
  Q: My digital odometer and speedometer don't show any life. It's lit up and stays at 0. Just had my ...
  A: When you enter into diagnostics to get the codes , After each code displays you should see either ...
1997 cadillac deville a/c problem6/24/2009
  Q: a/c stopped blowing air out. no blown fuse. have a replacement blower motor run it to battery before ...
  A: Is what you are telling me is that you tested the blower motor with the battery and it is fully ...
1990 cadillac sedan deville odometer problems6/24/2009
  Q: My digital odometer and speedometer don't show any life. It's lit up and stays at 0. Just had my ...
  A: Your problem is either a fault in the: speedometer cluster. a broken wire or connector. a faulty ...
Lac6/23/2009
  Q: got a 94 sedan deville. It has a trans gear issue, the A/C needs a blower. When your at a light ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. If it ...
anti-theft system6/23/2009
  Q: I have a 1994 SLS. Message states "starting disabled due to anti-theft system" Having read through ...
  A: What you have is a problem with the PASS-KEY system. The problem could be: ignition key. ignition ...
1990 Cadillac DeVille wont start6/23/2009
  Q: I cannot get my car to start. Originally it would not start then say wait 3 min and try again. I ...
  A: Your NO START is a communications problem fault withe either the: ignition key. ignition lock ...
cadillac v4-6-86/23/2009
  Q: how do i disengage my cadillac v4-6-8 so that it is running in just v8 mode? thanks! ANSWER: I do ...
  A: I am the only expert on this answer site, I could be WRONG) You can provide you with the answer to ...
shortage6/22/2009
  Q: I have cadillac that every three days I have to charge the battery. I'VE checked all the fuses , but ...
  A: The most likely suspects are: leaking rear air shocks causing the air pump to intermittently run ...
96 Deville Northstar6/22/2009
  Q: I purchased a 96 deville with the northstar motor with 68,000 miles on it from an elderly couple ...
  A: He tells me that the dealer thinks the computer may need re-programming. The above sentence is a ...
2000 deville a/c6/22/2009
  Q: 2000 deville a/c works fine in front,however rear pass compartment started to blow warm air(vents at ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1998 cadillac blinkers do not work!!!!!!!!6/22/2009
  Q: I HAVE 1998 CADILLAC DEVILLE D'EALGANCE AND MY BLINKERS AREN'T WORKING. HOW DIFFICULT WILL IT BE IF ...
  A: Why don't you just simply fix the blinkers ?. If you switch out the whole steering column which is ...
Codes P0171, P0174, P0300 -- 2001 SLS6/21/2009
  Q: P0171 and P0174 indicate a lean condition. P0300 indicates misfire. Fuel pressure at the rail is 38 ...
  A: It is possible that your gage is faulty. If you are mechanicaly inclined or know of someone who is, ...
fan6/21/2009
  Q: i have a 1989 caddie devil the fan would not come on to cool down the radiator. i replace all the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Cadillac Seville SLS gives me problems to start6/21/2009
  Q: I have a 99 cadillac sevilles sls that SOMETIMES gives me problems to start. I don't think its the ...
  A: It is UNDER the PLENUM which is that large silver aluminum cover in the cenetr of the engine that ...
95 caddillac sedan deville6/21/2009
  Q: my radiator fan is not working I CHECKED for codes an io37 is current how do i fix this problem
  A: You will need numerous pictures and step by step directions and test procedures. If you are ...
89 Cadillac Transmission Shudder6/21/2009
  Q: I have a 1989 Cadillac Sedan Deville with a 4.5L in it. The car had 82,000 miles when I bought it. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
94 seville sts6/20/2009
  Q: I have a 94 STS 4.6L 4t80E trouble code PO76. When in gear,D or R, car wont move for about a minute, ...
  A: Absolutely you ca nfix this yourself. If you are mechanicaly inclined or know of someone who is, ...
ride control light6/18/2009
  Q: I have a problem with my 95 cadillac concour deville, it rides like it doesnt have shocks on the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Caddi seville 1998 battery light flickers6/18/2009
  Q: on my Caddi Seville 1998 the battery light flickers and the car jerks when moving away from lights. ...
  A: Have the charging system tested for a fault in the alternator, cables or battery connections being ...
reset check engine light6/17/2009
  Q: 97 deville dre elegance trying to reset check engine light so i can trade car to dealer tommorrow ...
  A: 1. re-enter and display the codes. Do NOT start the engine. 2. When the codes stop you will see ...
traction control6/17/2009
  Q: yesterday after driving over railroad tracks my traction control light came on in my 2007 cadillac ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated on the vehicle while driving it ?. ...
TACHOMETER GOES TO ZERO6/17/2009
  Q: My husband just replaced the spark plugs & wires on my 98 Cadillac Seville. Now after driving for a ...
  A: Check the areas where you were working for any loose wires that you touched while replacing the ...
reset check engine light6/17/2009
  Q: i have a 97 deville de elegance. i want to find out how i can reset check engine light because im ...
  A: 1. Turn ignition switch ON. 2. Do NOT start the engine. 3. Simultaneously push and hold the OFF ...
ac compressor will not reset.6/16/2009
  Q: Expert, A couple of hours ago I had my AC system recharged. It was out of coolent (for AC unit about ...
  A: When the system is totally out of freon due to a leak it is imperative that you fix or replace the ...
1993 cadallic allante emissions6/16/2009
  Q: I replaced the engine control computer and tried the TPS/Idle Learn Procedure. Turned the ignition ...
  A: 1. Turn the ignition key to the ON position. 2. Do NOT start the engine. 3. Simultaneously Press ...
Tranmission fluid leak6/16/2009
  Q: I have an 1988 cadillac deville that has an tranmission leak coming from the tranmission pan. I ...
  A: To check for the trans converter leak, You would need to remove the flywheel cover and look for a ...
fans6/16/2009
  Q: My fans dont work i think it is the sensor relays, do you know where there are located ANSWER: I am ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
a/c6/15/2009
  Q: 96 DeVille. Live in hot climate so a/c comes on full force. Sometimes it shuts down after a minute ...
  A: NO you just don't start replacing parts until it's fixed. I can provide you with the most common 2 ...
68 cadillac starter problems6/14/2009
  Q: I fried my starter solenoid somehow and now have replaced it, but I dont remember which black wire ...
  A: Is the starter solenoid mounted ON the starter ?. How many threaded posts are ON the solenoid ?. ...
stalling problem and fuel guage problem6/14/2009
  Q: I have a 2001 deville which I recently replaced the a/c compressor.I disconected the battery cable ...
  A: IS or HAS the CHECK ENGINE light ever illuminated on the dash while driving the vehicle ?. If NOT, ...
1991 Cadillac Sedan DeVille6/14/2009
  Q: This is an occasional problem. Sometimes the car runs perfect. Sometimes it acts like an old ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. If NOT, ...
rear suspension conversion6/14/2009
  Q: I really need your help. I needed rear struts for my 1992 cadillac eldorado. I went to ac delco and ...
  A: HE SHOULD HAVE not DISCONNECTED THE elc SYSTEM. He caould have very easily adapted the air shocks ...
1998 cadillac seville6/13/2009
  Q: my windows dont work any suggestions ANSWER: All the windows or just some and if just some, which ...
  A: I never called and or implied that you were an old fart. You would be amazed at some of the ...
Interior lights 93 coupe de ville6/13/2009
  Q: Just refurbished interior in a 1993 coupe de ville and now the map lights,rear reading ...
  A: Your proble is NOT the relay itelf but the wires going to the realy as you may have forgot to plug ...
91 CADALLAC SEVILLE6/12/2009
  Q: HOW DO I BYPASS THE "WAIT 3 MIN TO START" IT GETTING WORSE TACKS UP TO A HOUR SOMETIMES TO START ...
  A: Your problem is with the PASS-KEY system and your problem could be in either the: ignition switch. ...
1993 Cadillac STS6/12/2009
  Q: Today got in my car started driving all of a sudden lost power and SERVICE ENGINE SOON light came on ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
cadillac6/11/2009
  Q: OKAY I HAVE A 1994 CADILLAC CONCOURS WITH A V8 NORTHSTAR ENGINE I JUST BOUGHT THIS CAR IN JANUARY I ...
  A: This engine is very prone to having leaking head gaskets due to the metal head bolts stripping the ...
1992 cadillac seville6/11/2009
  Q: 1992 cadillac seville...my car starts and runs fine when the dash lights are glitching(read zero) ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
96 deville transmission 4t80-E6/11/2009
  Q: I have a 96 deville transmission all of the sudden started whining and slipping fluid fine and no ...
  A: 1571 is a fault in the PULSE WIDTH traction control system. 2042 is a loss of anti-lock braking ...
1992 cadillac seville6/11/2009
  Q: 1992 cadillac seville...my car starts and runs fine when the dash lights are glitching(read zero) ...
  A: The first thing I need to know is if you have the old style needle style speedometer or the new ...
engine running hot6/11/2009
  Q: i am working on a 2000 cad. deville. it has the northstar engine, first the radiator was cracked so ...
  A: When you replaced the radiator did you install a new one or a junk yard one ?. Your problem is most ...
transmission6/10/2009
  Q: i have a 1986 cadillac eldorado. it seems to operate corectly when you put it into drive, reverce. ...
  A: There is NO relay behind the glove box. Somebody is giving you false information.IS or HAS the CHECK ...
1998 Cadillac cateria6/9/2009
  Q: My mother-in-law has a cadillac cateria and it has 40,000 miles on it.. She has just driven it ...
  A: I have been working on these Catera's since they first came out and they did have some problems. ...
1994 Caddy A/C6/9/2009
  Q: I have had my A/C orfis tube replaced,but now for some reason my A/C compressor won't stay on unless ...
  A: EXACTLY where are you installing the paper clip ?. Are you POSITIVE that you have enough freon in ...
stalling problem6/8/2009
  Q: I have a 96 deville with northstar engine. I'm having a stalling problem....when i pull the codes i ...
  A: Your problem is going to be pretty simple to diagnose by performing a few simple test procedures ...
air conditioner cadillac6/8/2009
  Q: For 1996 Cadillac Deville A/C Compressor will not come on - charged fully expecting it to come on ...
  A: Are you POSITIVE that you have enough freon in the system ?. Do you have a set of A/C gages ?. I ...
stalling problem6/8/2009
  Q: I have a 96 deville with northstar engine. I'm having a stalling problem....when i pull the codes i ...
  A: I would be looking at more of a possible CAMSHAFT signal rather than a CRANKSHAFT sensor fault as if ...
high idle6/8/2009
  Q: I have a 94 Cadillac Seville sts. The car sat all winter, this spring when I started it, the idle ...
  A: You should have NOT moved that set screw as it is factory set and if moved requires resetting the ...
Kill Switch 1991 Sedan DeVille6/7/2009
  Q: I just had the starter replaced and the car still won't start. Is there a kill switch on this car?
  A: NO, There is no KILL SWITCH. Your problem is with the security PASS-KEY system which if any of the ...
computrer reset6/4/2009
  Q: how do i reset the computer on a 1998 Cadillac fleetwood so I can get codes ANSWER: Just to ...
  A: if you can physically see one of the 2 fuel injectors emitting excessive fuel into the engine, swap ...
1990 Cadillac Eldorado6/3/2009
  Q: My car will not start and gives me a message that there is a security issue. The service station has ...
  A: YES, This is a very simple repair which only requires the use of a DIGITAL VOLT/OHM METER which you ...
2001 Cadillac Deville Suspension System6/3/2009
  Q: I've replaced the front shocks already in a 2001 Cadillac Deville DTS with an aftermarket set, but ...
  A: I do NOT recommend bypassing any systems that was built into the vehicle as you are altering the ...
Drain Plug (petcock?) for 93 Cadillac Sedan DeVille6/2/2009
  Q: We think the drain plug might have come out of my daughters 93 Cadillac Secan DeVille. We think its ...
  A: I cannot find any picture location showing how to access the drain plug. I have always been able to ...
Ignition Rod Broke6/2/2009
  Q: This is a 1999 Cadillac Deville. The key turns but is not hooked to the rod so the car won't start. ...
  A: If you can read electrical schematics that can be e-mailed to you for testing the switch assembly, ...
95 eldorado gauge cluster6/2/2009
  Q: my gauge cluster only says says airbag light ... and the fuel gauge and mph and the rpms dont work ...
  A: It IS possible that the cluster is faulty, But it can also be caused by the cluster module and or ...
1994 deville trans6/2/2009
  Q: i have a 1994 deville 4.9 128000 miles. transmission gears change perfect and the fluid is full but ...
  A: This is most likely caused by a sticking electrical solenoid within the transmission. When was the ...
96 deville codes6/1/2009
  Q: im getting codes p063 and p1599. just wondering what they are and how to go about fixing them.
  A: P063 is a fault in the cruise control system. P1599 is an engine stall problem. What you need is ...
2002 Cadillac SLS Transmission5/30/2009
  Q: My sls starts out in 3rd gear, then at 10mph shifts into second. i have taken to transmission shop ...
  A: Did you have the new PCM programmed (flashed) ?. Your transmission problems are being caused by a ...
''STARTING DISABLED''5/30/2009
  Q: MY 93 SEVILLE STS WILL NOT START.THE DASH SAIS THAT ''STARTING IS DISABLED DUE TO THEFT SYSTEM'' AND ...
  A: What have a problem with your PASS-KEY system whereas the micro chip on the key is not being ...
90 cadillac eldorado 4.5 V85/27/2009
  Q: came to me with a hole burned thru the top of the distributor cap. upon removal of the cap I ...
  A: IS or HAS the CHECK ENGINE light ever illuminated on the dash ?. If it has NOT the most likely ...
tune-ups5/26/2009
  Q: witch is more important spark plugs and wire,or cap and rotor? ANSWER: ALL are important to ...
  A: The ed codes are eo codes. The id codes are io codes. the ao codes are ao codes. You need to CLEAR ...
Cadillac Deville 1997 overheating5/25/2009
  Q: I have a 1997 Cadillac Deville that overheats and the temperature gauge goes up to 260 when I am ...
  A: Welcome to the well known cause of overheating for this engine which is caused by leaking head ...
1991 cadillac eldorado A/C isn't working5/23/2009
  Q: There was a freon leak in my eldorado and I fixed it. I refilled the freon, but the computer still ...
  A: What kind of freon did you install ?. If your system uses R-12 freon and your installing R-134a this ...
92 Cadillac sts5/23/2009
  Q: will not start. tries to, almost will first time turned over. have not yet checked for any error ...
  A: Could be LOW fuel pressure, Computer or any number of sensors. You need to retrieve the codes from ...
97 cadillac catera steering column5/23/2009
  Q: the rod in the ignition switch broke and left the car in the on postion. i took battery cables off ...
  A: There is no exploded view of the switch in the manufacturers service manual. You will need to ...
93 Deville running rough and stalling5/23/2009
  Q: My 1993 Cadillac Deville is running very rough and stalling at red lights. Could the oxygen sensor ...
  A: IF you had an oxygen sensor fault you would have seen the CHECK ENGINE light on the dash illuminate ...
1993 Cadillac Sedan Deville/overheats5/22/2009
  Q: I purchased this car a year ago. I immediately began having problems with it overheating to the ...
  A: I know that you do NOT want to hear this, But this sounds exactly like a head gasket as these ...
99 cadilac head bolts / Steam5/20/2009
  Q: My 99 devile has had check coolant light on and off. replaced water pump because of leek. 3 wks ...
  A: You won't be able to trae ir back to the dealer. Why do you think he sold it to YOU ?> You can TRY ...
1995 Cadillac Eldorado5/20/2009
  Q: When check engine light is on first warning I have noticed then car start to slow down when still ...
  A: P034 = MAP sensor fault. P036 = EGR pintle fault. P095 = Engine stall detected. I022 = Display panel ...
car wont crank5/19/2009
  Q: (1992 Cadillac Deville) Iv cheacked all the fuses, replaced the starter, bla bla, it only starts ...
  A: What we need to do is access the starter and perform some simple voltage tests at the starter, But ...
car electronics gone wild!5/19/2009
  Q: I replaced the water pump on my 95 eldorado touring coupe this weekend and when i reconnected the ...
  A: T067 is a faulty STOP/Cruise brake switch. Do you have STOP lights when you step on the brake pedal ...
98 Caddilac SLS 4.6 liter V85/18/2009
  Q: The engine overheats once in a while, and the heater doesn't put out any heat at all. What should I ...
  A: What you have is the ever common well known issue of leaking head gaskets which is allowing ...
Coolant system5/18/2009
  Q: I have a 93 cadillac eldorado the AC is not coming on at all, and the dash reads low refrigerant A/C ...
  A: This tells me that you have a leak in the air conditioning system and you lost all the refrigerant ...
1993 Cadillac DeVille A/c5/18/2009
  Q: AC or blower motor keeps running when engine is turned off. Dash readout says AC off. To stop ...
  A: You either have a faulty BCM computer and or a faulty PROGRAMMER. You need to perform some simple ...
A/C 2005 Cadillac Escalade5/18/2009
  Q: I have been having issues with my front A/C. It stopped blowing air. No speed what so ever. But ...
  A: Whoever is trying to fix your vehicle is GUESSING at your expense. Since I have retired in 2000, I ...
computer read-outs5/18/2009
  Q: I have a !995 Cadillac Seville SLS,the trunk open and check oil displays.I have had the oil sender ...
  A: The only code you need to worry about is the I032 CURRENT. Which is a fault in your braking and ...
1995 Cadillac Eldorado5/18/2009
  Q: When check engine light is on first warning I have noticed then car start to slow down when still ...
  A: OK, Here is the procedure: 1. turn the ignition ON, Do NOT start the engine. 2. On the climate ...
2000 Sevelle5/18/2009
  Q: air conditioner blows hot but not as hot on the passenger side has dual temp controls
  A: Most likely you have a faulty damper door actuator on the drivers side. IS or HAS the CHECK ENGINE ...
1995 cadillac seville5/18/2009
  Q: i have a 1995 cadillac seville that wont start it doesnt turn over or nothing ANSWER: Does ...
  A: Your problem is with the PASS-KEY SYSTEM which involves your: ignition key. ignition lock cylinder. ...
1995 cadillac seville5/15/2009
  Q: northstar v8 engine , JUST WONT START !!!!!! only had it about 7 months, the lights come on the ...
  A: To retrieve the codes from the computers: 1. Turn ignition switch to the ON position. 2. ...
1995 cadillac seville5/15/2009
  Q: northstar v8 engine , JUST WONT START !!!!!! only had it about 7 months, the lights come on the ...
  A: Calm down. We will get this fixed. I need ANSWERS to my questions. 1. Do you know HOW to check the ...
1995 cadillac seville5/15/2009
  Q: northstar v8 engine , JUST WONT START !!!!!! only had it about 7 months, the lights come on the ...
  A: NO, You do NOT just sell it. Your most likely suspect is with the PASS-KEY system. Do you know HOW ...
94 Deville Tranny Clunk going into gear when cold5/15/2009
  Q: I'm going to pick up my neighbors 94 Concourse Deville for my sons first car with 125,000 miles. My ...
  A: This car is NOT the most reliable vehicle as it has a very high transmission and engine problems. ...
Questions on 1994 sedan deville 4.9 PFI5/15/2009
  Q: My dad gave me his 1994 cadillac sedan deville 1994 242 000 km on it run fine t'ill it's warm then ...
  A: P041 CURRENT = No camshaft reference signal from the ignition module. The problem can be either the ...
'73 Cadillac Eldorado 8.2L 500 V-85/15/2009
  Q: I just installed a new battery, battery cables and starter. The car starts right up, the second I ...
  A: It is most doubtful that the fuel filter is the cause because the engine does start. When you ...
1993 cadillac deville sedan radio problem5/14/2009
  Q: I am having a problem with my radio in my 1993 Cadillac Deville. The clock works, but when i push ...
  A: What you need to do is remove the radio and perform some simple test procedures on the wiring ...
auto theft devise5/13/2009
  Q: I have a 1991 cadiliac elderado biarritz and about 50-60 per cent of the time when I get in to start ...
  A: There are several possibilities of an intermittent: ignition key. Ignition lock cylinder on the ...
Cad.Seville96 air compresser5/12/2009
  Q: When I start the car the computer readout says, low on free-on, compresser won't start. Off and on ...
  A: Obviously you have a leak in the A/C system which is causing you to lose freon from the system which ...
86 eldorado rough idle,poor mileage5/8/2009
  Q: Recent onset.Engine idles rough,especially when cold and when a/c is on,even when warmed up. Poor ...
  A: You most likely have a faulty PRNDL switch fault which is mounted on top of the transmission where ...
1990 cadillac fleetwood5/8/2009
  Q: The day time running light will not go off when the engine is turn off. I have to disconnect the ...
  A: The most likely cause is a faulty DRL MODULE which is located to the right of the steering column ...
92 Deville/ABS light on5/8/2009
  Q: I have no scan tool to retrieve any codes that might be read,diagnosed and resolved.Say, for ...
  A: You can retrieve the CODES thru the climate control panel by this procedure: 1. Turn ignition key ...
1992 seville no distributor signal5/6/2009
  Q: I have a 92 seville with a 4.9. I cleared the codes and only two reappeared current, E012 (no ...
  A: The first thing you have to determine is if you are getting spark to the spark lugs and fuel to the ...
1992 Cadillac Eldorado5/6/2009
  Q: My radiator and heater core have collected gunk that was in the system (the former owner may have ...
  A: Reverse flushing the heater core can SOMETIMES unclog it, But in most cases you will most likely ...
98 cadillac northstar stalling5/5/2009
  Q: I have a 98 seville sts,70k miles, that only stalls in gear,when stopped at a light and only when ...
  A: There are numerous possible faults that can cause stalling: Moisture saturated spark plug wires ...
VATS/92 Deville5/5/2009
  Q: I wrote to you about Pass key malfunction.You sent a reply that shocked my father and I.You are ...
  A: Under the dash at the end of the steering column you will see 2 white wires all by themselves in a 2 ...
car electronics gone wild!5/4/2009
  Q: I replaced the water pump on my 95 eldorado touring coupe this weekend and when i reconnected the ...
  A: Your most likely problem is that you forgot to reattach a GROUND WIRE that you removed when you ...
1996 seville4/30/2009
  Q: at times when i start the car it runs for a few seconds then stalls it will not take fuel during ...
  A: OUCH !!!!!!!!. You could have saved yourself $700.00 had you requested help from one of the ...
FIXING SUSPENSION ON 1996 SLS4/30/2009
  Q: MY 1996 SLS NEEDS TO BE ALIGNED WE PT ANOTHER STRUT ON THE FRONT BUT HAD TO STRAIGHT WIRE THE ...
  A: Is the CHECK ENGINE light on the dash illuminated with the engine running ?. If it IS, You need to ...
2000 Cadillac Eldorado4/29/2009
  Q: 2000 Cadillac Eldorado heat/AC fan, trunk and gas door release buttons stopped working. Fuses all ...
  A: Have you had ANY work performed on the vehicle lately ?. If so, WHAT was done ?. This appears to be ...
94 Concourse4/29/2009
  Q: 94 concourse quits running while driving, usually when slowing down. After stoping the car will ...
  A: S060 = Left front position sensor has a fault in your suspension system. S061 = Right front ...
Blank dash in 1999 cadillac deville4/29/2009
  Q: I'm driving and all of sudden, the digital dash goes blank. The ac and range is still visible ...
  A: Most likely the digital dash went bad OR the 16 volt line that makes the dash display is faulty from ...
air compressor4/28/2009
  Q: I had a new ac compressor installed in my 95 Cadillac Deville, now it won't kick on to accept the ...
  A: What you need is simple directives and pictures showing you how to jumper the compressor relay so ...
1994 Cadillac Seville STS Instrument Cluster4/28/2009
  Q: The instrument cluster (speedo/tach/information system) will be working fine, then it quits and the ...
  A: OK, It is RARE that I get a question that has an ANALOG speedometer. NO, A new cluster may NOT be ...
1993 cadillac eldorado4/27/2009
  Q: i did the a/c unit test as i have read to get codes off of the car (1993 Cadillac eldorado )the ...
  A: p046 i022 i052 The above codes have to be either HISTORY or CURRENT. Which are they As soon as P046 ...
Runs rough4/26/2009
  Q: 1988 caddy 4.5 check engine light is on,codes say engine coolant sensor changed it,no cure. also ...
  A: E-15 is a fault in the COOLANT SENSOR circuit. It is NOT a coolant fan switch or sensor fault. Wha ...
air conditioner4/26/2009
  Q: My 1998 Cadillac deVille's airconditioner no longer blows cold air. It blows but it sometimes does ...
  A: What you have is a leak in your A/C system and all the freon type R-134a is leaking out due to this ...
91 cadillac sedan deville showing "D"4/26/2009
  Q: I was looking at the site and came across the question ive been looking for an answer for and i ...
  A: Switching the FDC and ECC connectors has NOTHING to do with the "D: displaying in the fuel display. ...
1994 cadillac deville /service ride control4/26/2009
  Q: my service ride control has been on for quite sometime and i was told i needed to replace the motor ...
  A: The first thing you need to do is e-mail: onlineautohelp@msn.com who will talk to you via telephone ...
Traction disabled on 1995 El Dorado4/26/2009
  Q: I get the message traction disabled on a 1995 el dorado. when turning the front end makes a grinding ...
  A: Sounds like you have a bad CONSTANT VELOCITY JOINT (CV JOINT) and or a bad outer bearing on one of ...
1994 Cadillac Seville STS Instrument Cluster4/25/2009
  Q: The instrument cluster (speedo/tach/information system) will be working fine, then it quits and the ...
  A: When you are driving the vehicle, has the CHECK ENGINE light ever illuminated on the dash and or any ...
93 Cadillac STS Seville Northstar4/22/2009
  Q: I ran a diagnostic the codes that displays are the following:(Current)-S038, (History)- P032 & P095
  A: S038 = Electronic Level Control has a short to ground and or an open electrical circuit. P032 = An ...
1997 cadillac eldorado4/22/2009
  Q: can i use a synthetic oil in this engine. i was told by an engine rebuilder that it can cause too ...
  A: To use or not to use the synthetic. If the engine was built for and came from the manufacturer with ...
1988 Eldorado4/21/2009
  Q: Got one more... The steering on this old gal is very touchy, especially at speeds in the 30 to 50 ...
  A: This would NOT be pump pressure related. Check your complete front end for loose tie rod ends, ...
ROUGH IDLE4/20/2009
  Q: I HAVE A 95 SEVILLE AND EVERTIME I STOP, THE ENGINE HAS A ROUGH IDLE,PUT IT IN NEUTRAL AND IT STOPS. ...
  A: See if any of your fuel injectors sre leaking. IS or HAS the CHECK ENGINE light ever illuminated ...
Fusablel link wires4/19/2009
  Q: I have a 1988 cadillac coupe deville that went dead after i drove on block from the house..I dash ...
  A: The fusible links are attached to the starter where the battery cable attaches. I doubt that the ...
1983 deville4/19/2009
  Q: I followed instructions from a previous email of yours on how to check for codes. I received no #s ...
  A: Let's CLEAR the codes via this method and see if any return and if any do, Let me know which ones. ...
94 Cadillc seville traction system4/19/2009
  Q: My Seville dose not want to release the third gear after you take off on the road. The traction ...
  A: Don't burn it, Tell me where it is and I will come and get it. You have a fault in the TRACTION ...
anti-theft problem4/18/2009
  Q: First of all I am an All-Expert in another category and decided, "what the hell I've got a problem ...
  A: I have seen this fault only a couple of times. First, Perform this simple test and tell me what ...
cadiallac seville4/18/2009
  Q: I have a 89 cadiallac seville and the info panel says "cooling fan fault" what does that mean?
  A: This means that you are having a problem with the cooling fan that cools down the radiator for the ...
94 cadi deville fuel pump4/18/2009
  Q: Having problem with burning up fuel pumps. Have put in 5 even wired direct. Gave up on that now ...
  A: There are only 3 possibilities for this fault. 1. The gas in the fuel tank is what COOLS the ...
Northstar overheating4/17/2009
  Q: I have a 2000 deVille with 165000 miles. I recently noticed coolant leaking at night. The mechanic ...
  A: Are you POSITIVE that BOTH electric fans are RUNNING when the A/C is turned ON. It is possible that ...
stalls sometimes4/17/2009
  Q: cleaned out the throtle body cleared codes and this is what i get so21 so44 so55 anything to do ...
  A: OK, recheck the computer to see if any codes came back and let me know what codes came back if any ...
2000 Escalade4/15/2009
  Q: My 2000 Escalade randomly won't start. It has happened a couple of times in the last week. It seems ...
  A: When you know that the engine is not going to start. Remove one of the spark plug wires and hold it ...
1999 cadillac deville4/15/2009
  Q: My 1999 Cadillac deville says on the dash "system disabled". i have cleaned the key and checked ...
  A: You either have a fault with the: ignition key. steering wheel lock cylinder or wiring from the ...
87 cadillac Eldorado sedan V-84/15/2009
  Q: It was making this horrible knocking noise from the fuel injectors and so I went and got some ...
  A: You most likely have a fault in either the fuel pump and or the fuel pump pressure regulator. Try ...
Idle Issue4/15/2009
  Q: I recently bought a 91 Cadillac with the 4.9 engine. I had the car checked and the repair shop ...
  A: E91 = intermittent fault in the neutral starter safety switch. E97 = intermittentPark to neutral ...
97 Cadillac Seville SLS Outside temperature stuck on 127F4/14/2009
  Q: My 97 Seville SLS outside temperature started showing high temps(90+) when it was cold outside and ...
  A: We can fix this simple problem to gether. You will need several pictures and some simple directions ...
91 deville4/14/2009
  Q: I changed the brake pads recently for my granddaughter on her deville. I got finished and top off ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1994 Cadillac Deville idling problems4/14/2009
  Q: I have a 1994 Cadillac Deville and its been having idling problems. When I drive the car for like 5 ...
  A: To check the CODES from the computer do this: 1. Turn ignition switch to the ON position. Do NOT ...
'97 Cadillac Deville Concours Anti Theft System4/13/2009
  Q: My 1997 Cadillac Deville Concours is reading "Anti Theft System Problem - Car may not start" on the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
no dash lights4/13/2009
  Q: I have a 1990 Cadillac brougham. The instrument panel that you read the speedometer and gas went out ...
  A: We can't treally perform any diagnostics on the display as long as it is working. However you can ...
1994 cadillac deville concours4/13/2009
  Q: The car is throwin blueish black smoke and smells alot like gas but when i get it on the road it ...
  A: Without personally performing some diagnostic testing, I would look into a most likely leaking of ...
cadillac engine keeps overheating4/12/2009
  Q: I keep having my Cadillac engine overheat, i have changed the radiator, water pump, thermostat and ...
  A: This engine is highly prone to small leaks in the head gaskets, Just enough to build up pressure ...
Car won't work in any gears4/12/2009
  Q: Yesterday car slipped out of drive while driving worked in 3rd then that stopped, then 2nd, 1st, and ...
  A: The code has nothing to do with your current problem. I would remove the bottom transmission pan and ...
help4/12/2009
  Q: my 95 cadilliac elderdo keeps shutting off and overheating and now wont start at all!!i was ...
  A: The FIRST thing you need to determine is, IS the engine getting fuel to the injectors and are the ...
91 caddilac deville 4.9L electrical problems4/10/2009
  Q: well i just bought a 91 deville and the only problem is that the fuel in tank just says"c" as well ...
  A: What you have is the ever common fault of someone who is inexperienced in installing an aftermarket ...
surging idle4/10/2009
  Q: I own a mint condition 1994 Seville STS northstar with 140,000 miles. Recently it developed an idle ...
  A: Being an intermittent fault it could be any number of things from a sticking EGR valve , ...
help4/9/2009
  Q: i have a 90 cadillac deville and it doesnt have no power no more it wont go up hills and i think the ...
  A: That is a very strong possibility. You can try hitting it with a suitable instrument and listen for ...
96 sts stalls at idle4/8/2009
  Q: I have a 96 sts that only stalls at idle and in drive reverse neutral or park. I have cleaned the ...
  A: It is highly possible that you may be getting EMI (Electro Magnetic Interference due to the ...
1996 cadillac sts4/7/2009
  Q: can you replace the head gaskets on a 1996 cadillac sts whithout removing the engine
  A: There are numerous technical factory bulletins addressing the issue of pulled threads in the engine ...
1996 Cadillac Deville (Concourse)4/4/2009
  Q: Hoping you can help me. 96 Deville Concourse started occassionally running rough with acceleration ...
  A: 154 = LEFT O2 sensor circuit. No activity. Which is the sensor just in front of the catalytic ...
bcm?3/28/2009
  Q: My radio and power windows work when the key is removed from the ignition on my 1999 cadillac ...
  A: The first thing you need to do is to put an AMP METER on the battery cable and see how many amps is ...
fuel pump3/28/2009
  Q: My friend just put a water pump on my 91 Cadillac Sedan Deville . He went to start it up and now it ...
  A: look for disconnected wires in the area where he was working. Does the oil pressure light ...
'96 Eldorado3/27/2009
  Q: The old caddy has developed a problem with the tcc.(I think)It shifts smoothly from g 1-2 @2000rpm ...
  A: Is or HAS the CHECK ENGINE light on the dash ever illuminated ?. If it has you will need to access ...
1996 Seville SLS Overheating3/26/2009
  Q: I've had my car in and out of the shop 3 times over this problem, and nobody seems to be able to ...
  A: Are you leaking fluid on the ground ?. Are you having to ADD coolant to the radiator at all ?. ...
97 cadillac catera3/26/2009
  Q: which relay is the fuel pump relay there's like 10 or more ANSWER: E-mail: onlineautohelp@msn.com ...
  A: Had you told me what you were doing, I could have told you how to jumper the relay so that it makes ...
1994 Cadillac DeVille3/25/2009
  Q: I have a Cadillac DeVille sometimes when I try to start it it wont start the dash tells me to wait ...
  A: You have a problem with the PASS-KEY anti-theft system which prevents the car from stsrting if the ...
Brake problem Cadillac Deville3/22/2009
  Q: LF brake does not release completely after letting up on pedal. I've replaced both calipers, pads, ...
  A: The most critical part of the brake system of which you did not change is the rubber brake hoses ...
99 cadillac overheating3/22/2009
  Q: 99 cadillac seville overheating. Overheated, cadillac dealer said it needed a new radiator. Put in ...
  A: it is the head gaskets and you have to drill out all the head bolt holes in the engine block and ...
92 Fleetwood3/21/2009
  Q: I have an 92 Fleetwood 4.7L V-6 and I have been having problems with the battery dying if it is kept ...
  A: The msot common faults are: a shorted cigarette lighter in the dash. An intermittent operation of ...
87 cad leaking coolant3/20/2009
  Q: i just bought this 87 and was told it had a coolant leak. with a friends help i saw the leak was ...
  A: Could be an INTAKE MANIFOLD or HEAD GASKET LEAK of which the gasket will require replacement. I ...
service engine soon3/20/2009
  Q: 1992 cadillac eldorado was overheating and noticed the cooling fans weren't working; I had the ...
  A: IF you would check the codes again, You will see either the word CURRENT or HISTORY after EACH code ...
IDIOT LIGHT3/19/2009
  Q: The "Service Vehicle Soon" idiot light comes on after 3 miles of driving and stays on. What does ...
  A: Your Park neautral switch has a fault and you have an AIR MIX door problem for your heating and ...
IDIOT LIGHT3/18/2009
  Q: The "Service Vehicle Soon" idiot light comes on after 3 miles of driving and stays on. What does ...
  A: OK perform this test: 1. Turn the ignition switch to the ON position. Do NOT start the engine. 2. ...
96 cadi deville3/18/2009
  Q: my 96 cadi deville dyes out on idle-when warmed up. my service engine light has been on aprox. 1yr ...
  A: Are there any codes still being displayed if you check for them ?. If there IS, What are they and ...
1996 Cadillace STS3/18/2009
  Q: sir, my car has 140,000 miles. I was driving and notice that at the stop lights my car was idle up ...
  A: FIRST perform this TEST using a helper. 1. Have your helper remove the gas cap and listen for the ...
1996 cadillac deville3/18/2009
  Q: I has a 1996 cadillac deville i just bought bout a weak ago had other problems but got it fix now ...
  A: Do you know how to retrieve the CODES from the computers when the SERVICE ENGINE SOON light ...
service engine soon3/18/2009
  Q: 1992 cadillac eldorado was overheating and noticed the cooling fans weren't working; I had the ...
  A: Do you know how to retrieve the CODES from the computers when the SERVICE ENGINE SOON light ...
Charging System3/17/2009
  Q: Had a system display read Service Charging System & Battery Not Charging. Watched battery voltage ...
  A: Alternator was replaced. 1st day battery volts read 14.4 at start and dropped to 18.6 while driving. ...
Service Emissions3/16/2009
  Q: On a 96 SLS with a Service Emissions System warning light, I pressed the off and warmer buttons and ...
  A: PC0139 Current = Pre-converter slow to respond. PC0603 History = Battery was disconnected in the ...
Oil % reading3/15/2009
  Q: I just had my oil changed because the oil % reading was at 20%, after the oil was changed its at ...
  A: To reset the engine life monitor: 1. Turn ignition key ON. Do NOT start the engine. 2. Keep ...
Service soon light 1985 Cadillac Seville.3/12/2009
  Q: How do i shut off the 'service soon' light on my '85 Cadillac Seville?
  A: The service soon light iluminates when you have an electronic problem with the vehicle. You need to ...
87 cadillac overflow & radiator3/11/2009
  Q: My car overheat light keeps coming on & when I check the radiator it's empty, but when I go to the ...
  A: NO the car is most likely NOT overheating. as the CHECK ENGINE light on the dash would illuminate. ...
Gas gets to fuel injector but stalls on 1982 HT41003/10/2009
  Q: Gas is getting to the fuel injector but not to the injector itself. When pressing foot on the gas ...
  A: You could have a problem with: injector. wiring. computer. We need to perform some simple test ...
1993 cadillac '60 special' trunk popped open3/10/2009
  Q: i walked out of my apartment to get into my car. the trunk was wide open. i don't know how long the ...
  A: Yes there is , But you would need to disconnect the remote control output wire from the KEYLESS ...
Engine code 12583/10/2009
  Q: Working on a 1997 Caddy Deville Concours. Engine is getting hot then shutting down. I get engine ...
  A: This particular Cadillac engine has had problems with head gasket leaks for years and yet they do ...
Fuel pump problem3/9/2009
  Q: I have a 92 deville, i recently replaced the fuel pump 1 year ago and tuned it up. My fuel gauge ...
  A: Just see if the car will start and keep reving the engine to higher speeds for a few minutes to ...
Fuel pump problem3/8/2009
  Q: I have a 92 deville, i recently replaced the fuel pump 1 year ago and tuned it up. My fuel gauge ...
  A: Get yourself a helper. 1. remove the gas cap and have your helper listen at the gas cap opening. ...
78 CADDY3/8/2009
  Q: MY TRANS WILL NOT SHIFT STAYS IN FIRST GEAR ONLY I HAVE CHANGED THE VACUM LINE AND RUBBER PIECES ...
  A: Can you feel a vacuum at the vacuum modulator on the trans with the engine running ?. Sometimes you ...
1997 STS Thermostat Replacement3/7/2009
  Q: Just got towed home after my 97 STS overheated despite the coolant level being full. I suspect a ...
  A: My apologies on the thermostat location. Was thinking different engine. Now that I have the correct ...
1994 Cadillac Eldorado3/3/2009
  Q: Mushy ride, service ride control light is on. How do I retrieve the repair codes? Thanks! Bob
  A: 1. Turn the ignition switch to the ON position. Do NOT start the engine. 2. Simultaneously push and ...
94 cadilac eldorado3/2/2009
  Q: I have a 94 eldorado starts an drive after a couple min from driving the car shuts off while driving ...
  A: Let's see if there are any codes in the computers. 1. Turn ON the ignition key so the dash warning ...
91 CADILLAC WILL NOT START3/2/2009
  Q: HAVE REPLACED THE BATTERY AND HAD IT CHECKED 2 TIMES.THIS CAR SAT IDLE IN YARD FOR ABOUT 10 DAYS AND ...
  A: Will it start if you put the gear shift in NEUTRAL ?. If NOT, Your problem is most likely with the ...
heater core3/1/2009
  Q: wher is the heater core? and how do i remove it to replace it? (1982 cadillac fleetwood 4.1 motor)
  A: The heater core is on the passengers side in the engine compartment inside that big plastic black ...
1981 Eldorado MPG display problem3/1/2009
  Q: I bought this Caddie as a repair job to keep me busy and boy it does!It stays in 8 cyl.mode and MPG ...
  A: The first things you need are several pictures and numerous directives to test and fix this pretty ...
92 Fleetwood2/28/2009
  Q: I have an 92 Fleetwood and am having problems with the brake system. When I press the brake pedal I ...
  A: What you have is a split in one of the diaphrams within the brake booster which is behind the master ...
Crazy Electric dash problem2/28/2009
  Q: I have just got a 1989 deville. The check engine light is staying on. The whole dash will start ...
  A: First we need to see what code is stored in the computers. perform this test: 1. Turn the ignition ...
93 Eldorado RPM Fluctuates2/27/2009
  Q: Everybody... I need a Little help.. hear me out and let me know what you think.. I have a 93 ...
  A: The FIRST thing we need to do is CLEAR (erase) ALL of the codes and see which ones return. Most ...
1989 cadillac eldorado shutter when accelerating uphill2/27/2009
  Q: The engine is shifting into overdrive at 43 mpg and feels bogged down and begins to shutter ...
  A: Perform this test procedure: 1. Turn ignition switch to the ON position only. Do NOT start the ...
1993 Cadillac Sedan Deville Runs Poorly2/27/2009
  Q: When I obtained this vehicle it did run a little rough and my dad believes that it was or is out of ...
  A: Does the engine overheat at all or get above the normal temperature range on the dash panel ?. You ...
1993 seville sts northstar 4.6 V82/26/2009
  Q: The car started stalling few days ago. It gave me "service engine soon" light. I took it to the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
93 Eldorado RPM Fluctuates2/26/2009
  Q: Everybody... I need a Little help.. hear me out and let me know what you think.. I have a 93 ...
  A: My vehicle cannot have a diagnostic ran because it says vehicle not registered. HORSE HOCKEY. 1. ...
fuel delivery2/24/2009
  Q: i have a 1994 cadillac fleetwood brougham 5.7 liter, gas didn't reach the engine so i replaced the ...
  A: OK, Then you will need some pictures, As this website here is NOT mine and some test procedures, You ...
1995 Cadillic won't start2/24/2009
  Q: my 1995 Cadillac won't start, it acts like it is completely dead. A month ago my security system ...
  A: The most likely suspect would beeither the: ignition lock cylinder on steering column. ignition ...
fuel delivery2/23/2009
  Q: i have a 1994 cadillac fleetwood brougham 5.7 liter, gas didn't reach the engine so i replaced the ...
  A: 1. Remove the gas cap. 2. Have someone listen at the gas cap opening. 3. Turn the ignition key to ...
1981 Deville drivers power seat2/23/2009
  Q: The drivers side power seat is not working in my 1981 Deville. I took it apart and there is no power ...
  A: I honestly do not remember where it is located. It may be mounted under the seat, Under the dash or ...
1993 cadillac deville no heat2/23/2009
  Q: new water pump, flushed radiator and heater core, two new thermostats the radiator and overflow ...
  A: Your problem is either a restricted heater core, A fault in the AC/Heater programmer or excessive ...
98 cadi seville2/22/2009
  Q: my car has no heat though the vents but the defrost does work. it work the first night but when i ...
  A: Has there been ANY work of any kind performed in the engine compartment or on the inside of the ...
frozen distrubator2/22/2009
  Q: My 1970 Fleetwood with a 472 V8 has a stuck or frozen distributor. I have a replacement what would ...
  A: Buy yourself a spray can of RUST BUSTER or similar product and soak the area where the distributor ...
1995 Cadillac DeVille2/19/2009
  Q: The Traction Disabled message keeps coming up on the message board. I took it to the shop and the ...
  A: The first thing I would test would be the brake switch. You have to perform test procedures on the ...
Cadillac transmission problem2/19/2009
  Q: I have a 94 Cadillac Concours Deville with 33,000 miles. After driving for approx. 200 miles the ...
  A: The most likely suspect is an intermittent fault of the TORQUE CONVERTER CLUTCH SOLENOID which is ...
Map sensor2/9/2009
  Q: I have a 1992 cadillac devill and was wondering if anyone might know why when i take the wires off ...
  A: did the CHECK ENGINE light on the dash illuminate just before your problem occured ?. Do you know ...
anti theft cylinder2/5/2009
  Q: i keep waiting 3 min. just starts over again OH!my1991 eldo 4.9 is were im having the problem. ...
  A: Let's FIX the system. If you are mechanicaly inclined or know of someone who is, You will need a ...
transmission2/3/2009
  Q: my 1991 caddi deville will not start in first gear and overdrive. other than that its fine, why ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated and or have you seen any messages in ...
85 CADILLAC FLEETWOOD BROUGHM RWD 4.12/3/2009
  Q: I HAVE CODE 26, SHORTED TPS. I'VE REPLACED IT THREE TIMES AND STILL GET SAME CODE. ALSO GET CODE 38 ...
  A: I have no intention to be rude in any manner or form, But you did NOT perform the specific ...
My doors unlock when I use my brakes, and lock back when I release them.2/3/2009
  Q: When I put my 1992 cadillac deville into drive or reverse, the doors unlock when I push the brake in ...
  A: Has there been ANY work or repairs performed on the vehicle of any kind what-so-ever prior to this ...
Blown Head Gasket?2/3/2009
  Q: I am wondering if I have a possible blown Head Gasket. I get into my car, start it up, my temp ...
  A: But with a blown head gasket the oil would look milky and there would be extra emissions coming from ...
93 Cadillac Fleetwood stalls2/2/2009
  Q: I was wondering if anyone could help with this situation, My Father-in-Law owns a 93 Fleetwood that ...
  A: The 45 = A rich fuel mixture being sensed by the oxygen sensor. 22 = delayed interior lights ...
Cadillac Heater2/1/2009
  Q: recently my 95 Deville has had a heater issue. One day it works, next day it doesn't. Sometimes you ...
  A: Your referring to the fact that you are NOT getting any hot air from the defroster vents for the ...
93 Cadillac Fleetwood stalls2/1/2009
  Q: I was wondering if anyone could help with this situation, My Father-in-Law owns a 93 Fleetwood that ...
  A: There are no such codes that go this high (125,128,133,143,145). What we need to do is to recheck ...
coolant leak1/29/2009
  Q: My 99 deville is leaking coolant from the right side by the bumper and its alot of coolant leaking ...
  A: What you need to do is obtain a RADIATOR PRESSURE TESTER that attaches where the radiator cap is ...
1997 Cadillac DeVille heater fan inoperative1/29/2009
  Q: On my 1997 Cadillac De Ville, I have heat but the fan does not work. The owner's manual was unclear ...
  A: Your problem is either with the: INSTRUMENT PANEL CONTROL PANEL. HEATER & AC PROGRAMMER (ACM). ...
pass key theft deterrent system1/28/2009
  Q: 1990 Allante Caddy, 4.4Liter Wont even turn over, dash readout says "starting disable due to theft ...
  A: Could be the ignition switch on the steering column , faulty wiring from the ignition key lock on ...
1991 cadillac eldorado birritz1/23/2009
  Q: my 91 has battery no charge light on.i replaced alternater,battery,and checked ground wires and ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1992 cad seville climate control1/23/2009
  Q: blower fan stays on when ignition is turned off. have to disconnect battery to shut off. need ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
84 seville ht 4100 timing1/23/2009
  Q: it started but ran poorly (backfired) i then noticed that two of the posts on the distributor cap ...
  A: If you are mechanicaly inclined or know of someone who is, You will need Simple electrical ...
Electrical Problem1/21/2009
  Q: My friend bought a 1995 Cadillac Deville Concours. He put a brand new battery in the car, and the ...
  A: new batteries never come fully charged. You need to put the battery on a slow charge overnight to ...
CADILLAC DEVILLE 1992 V8 4.9 ltr1/21/2009
  Q: I have the diagnostic codes E.E48, E52 what do they mean? i m also worried about the oil light it ...
  A: EE48 means that you have a fault in your EXHAUST GAS RECIRCULATION SYSTEM (EGR). You will need ...
problems with odometer, gas gage, basic consule1/21/2009
  Q: I'm having a problem with my consule the odometer reads 40mpg more than what the cars traveling, all ...
  A: I need the YEAR and MODEL of the vehicle and I also need to know if you have an ANALOG or DIGITAL ...
"92" Cadillac De Ville1/21/2009
  Q: What would cause the odometer fuse to blow about every 200 miles, has done this 3 times, just ...
  A: Is this an ANALOG or DIGITAL speedometer cluster ?. First we will need to perform some simple test ...
1988 deville dashboard1/21/2009
  Q: I have an 88 Cadillac deville and my dashboard went out, when I turn the key the no charge light ...
  A: Is this n ANALOG or a DIGITAL speedometer ? What you will need is several pictures and directives ...
96 cadillac deville1/21/2009
  Q: my 96 cadillac deville starts and runs for about an hour or so give or take then it dies it will ...
  A: When the vehicle fails to start we need to check to see if you are getting any spark to the spark ...
2000 Cadillac Deville Heater Fan Issue1/21/2009
  Q: I have a 2000 Cadillac Deville with no heat. When driving one can feel heat and can feel the AC ...
  A: IS or HAS the CHECK ENGINE light on the dash ever illuminated or have you seen any messages in the ...
1993 cadillac sts heat problem1/20/2009
  Q: i have a 93 sts, and you cant control where the heat is coming from it comes out where ever it ...
  A: You either have a fault with one or more of the actuator valves and or a fault with the AIR ...
77 Seville stalls1/17/2009
  Q: When I first start my 77 seville, I have to turn the key and hold my foot on the gas pedal at the ...
  A: Remove the air cleaner and try moving the throttle linkage with your hand and see if you can ...
interior lights problem.1/16/2009
  Q: and none of the interior lights work at all the only thing that works is the radio and blinkers what ...
  A: Does the interior lights operate if you open the passengers door ?. Do they work if you turn the ...
HEAT1/16/2009
  Q: 1999 Buick Park Avenue Ultra. I know your a Cadillac expert but was hoping this was close as there ...
  A: What EXACTLY is wrong with the heater system ?. Does the blower motor work ?. Are the heater hoses ...
suspension lubrication1/15/2009
  Q: just bought a 93 deville as a second car mint cond 114000 well maintained miles. my question is when ...
  A: My apologies, I was NOT thinking 93 year model. Yes, You CAN adjust the rears via the little ...
not charging1/14/2009
  Q: I have an 83 Seville, and while driving along at night everything just got dimmer and dimmer (faint ...
  A: All you need is some electrical schematics, Some simple test procedures to do and some telephone ...
installing a rear window1/14/2009
  Q: I HAVE A 1990 CADILLAC FLEETWOOD FWD AND I HAD INSTALLED THE WINDOW HOWEVER I HAVE A PROBLEM THERE ...
  A: That is NOT a cord, It is an electrical wire that provides battery voltage or a ground circuit in ...
81 cadillac eldorado digital cluster1/14/2009
  Q: when I turn key to the on position it reads 0 on speedo and 0 on gas gauge ,then am able to make out ...
  A: What you most likely will need is a replacement instrument panel. However, Tests need to be ...
Transmission1/14/2009
  Q: Just had the Transmission rebuilt in a 1993 Deville. I noticed the gear shift needle lines up in ...
  A: The small wire from the gear shift lever is just not adjusted properly. A very simple procedure to ...
Teves II system failure/ options?1/13/2009
  Q: I have a 1990 Cadillac Sedan DeVille with what appears to be the Teves II ABS system. In a nutshell, ...
  A: There is a very common problem with this type of system and with your description of the problem. ...
suspension lubrication1/13/2009
  Q: just bought a 93 deville as a second car mint cond 114000 well maintained miles. my question is when ...
  A: Those ARE the ONLY grease fittings. My personal and professional opinion of the Cadillac engines is ...
2000 cadillac dts will not start1/12/2009
  Q: i have changed the battery in the car, now the car will not turn over. the dash board lights up but ...
  A: There is NO restart button. Do your headlights and interior lights work ?. If they do, Try arming ...
93 eldorado defroster blower stuck on1/12/2009
  Q: I saw a similar problem with an 89 model. I have a 93 eldorado and was wondering how to repair the ...
  A: Your other problems MAY be causing the blower motor to stay ON. What other problems do you have ?. ...
78 Cadillac1/11/2009
  Q: i have a caddilac. i was woundering why my car just totaly shuts down and then it wont star up ...
  A: What kind of engine or any other kind of work has been performed on the car lately ?. Do you have ...
1990 cadillac deville1/11/2009
  Q: i am wondering while im driving my 1990 cadillac deville is losing power. i put on knew cadillac ...
  A: No CHECK ENGINE light ?. Let's try a test to see if we can get the car to bog way down and or ...
2004 Escalade ESV With No Heat or A/C1/11/2009
  Q: I just got back from a 60-day trip and turned on my 2004 Escalade ESV and the heat in the front did ...
  A: The first thing I would look for is a broken vacuum line that comes off the engine, Thru the ...
94 Deville no heat no climate control display1/10/2009
  Q: The climate control cluster is dead - no buttons work. It doesn't read anything except for dashes. I ...
  A: That is what happens when you don't ask for professional help who has seen this fault many many many ...
2001 Cadillac Catera Speed Sensitive Steering1/10/2009
  Q: We regret the day we bought this vehicle! We've had nothing but problems. The latest is the ...
  A: Do you remember what the CODE was ?. Look on your receipts and see if they wrote down the code that ...
1996 Deville Concours DTCs1/10/2009
  Q: 1996 Deville Concours 4,6 Nothstar IP1552, PZ1558, IR2255, RS0010, RS0011, RS0015, RS0016, RS0060 ...
  A: KAM is Keep Alive Memory. EEPROM is Electronically Erasable Programmable Read Only Memory. IP1552 ...
traction control and abs lights1/9/2009
  Q: Will needing to replace the brake pads cause my traction control and abs lights to come on
  A: YES, Because someone must have unplugged the sensor wires at the wheel hubs when they replaced the ...
Ignition key/starting car1/9/2009
  Q: My boyfriend has a 91 Cadillac Deville with an ignition key with a chip in it. Often times the car ...
  A: Your problem could be the: Key ignition switch. wires from ignition switch to the PASS-KEY ...
1988 cadillac eldorado1/9/2009
  Q: i drive an 1988 cadillac eldorado and i find myself having to recaharge and or jump start my battery ...
  A: Obviously there is a drain (draw) on the battery when the car is shut off. Normal amperage draw is ...
1996 Deville Concours DTCs1/9/2009
  Q: 1996 Deville Concours 4,6 Nothstar IP1552, PZ1558, IR2255, RS0010, RS0011, RS0015, RS0016, RS0060 ...
  A: IP1552 Loss of KAM PZ1558 PZM EEPROM checksum error. IR2255 Loss of serial data. RS0010 Left ...
engine revs1/8/2009
  Q: I have a 1994 Cadillac SLS my engine revs between 700 and 1700 rpm. As instructed I cleared the ...
  A: P042 with the 4.6L engine means that the front oxygen sensor is running lean. P132 with the 4.6L ...
93 Deville will not start.1/7/2009
  Q: When I attempt to start the engine nothing happens other than the normal dashboard light going out. ...
  A: It is NOT that difficult. Test procedures and picture locations of the components within the system ...
1994 caddilac eldorado1/6/2009
  Q: My car keeps on pulling a pcm61, pcm47, and also a pcm38. I also would like to know If there is ...
  A: I have no idea where you can get a bbok for all the codes meanings. When I was working on Cadillacs ...
91 deville(f12 code (lowside)sensor location1/6/2009
  Q: I cannot seem to clear the f12 code (lowside). installed new compressor,orfice,accumultor and ...
  A: You CANNOT replace the R-12 freon to R-134a freon because the 2 types of freon are not compatable ...
engine revs1/6/2009
  Q: I have a 1994 Cadillac sls that the engine revs between 700 and 1700 once the car warms up. The ...
  A: 1. Bring up the codes via the climate control panel and it should stop and display PCM? 2. Push and ...
engine revs1/6/2009
  Q: I have a 1994 Cadillac sls that the engine revs between 700 and 1700 once the car warms up. The ...
  A: CLEAR (erase) ALL the codes via the climate control panel and let me know what codes return as ...
1999 caddy deville1/5/2009
  Q: excessive high idle when started ran codes and replaced maf,idle,tps search for broken vac hose ...
  A: Is the check engine light illuminated on the dash ?. If NOT, Try spraying some carb cleaner all ...
98' cadillac deville1/5/2009
  Q: I install new water pump, new thermostat and water resovior for radiator but still overheat goes ...
  A: This engine is very very common to developing blown head gaskets in numerous areas of the head ...
91 cadillac eldorado1/5/2009
  Q: blower motor keep running at all times have to disconnect wire. ...
  A: OK, You have 2 seperate problems. The first one with the blower not shutting off is caused by the ...
no heat drivers side1/4/2009
  Q: I have a 1992 cadillac sts 4.9.blower and heat control seem to work fine for the passenger side but ...
  A: The ONLY time the center vents emit air is when the A/C is operational. Your problem is most likely ...
my 1988 cadillac1/4/2009
  Q: My 1988 Cadillac De Elegance Fleetwood fwd 4.5 lit. just wont start all of a sudden and the ...
  A: 1. Remove the gas cap. 2. Have someone listen for a buzzing noise from the gas tank that will only ...
rear brakes replacement 98 cadillac1/4/2009
  Q: how do you get the caliber back?
  A: You have to remove the emergency brake link that is attached to the back of the caliper and turn the ...
security system on 95 cadillac sls1/4/2009
  Q: steering column replaced and now car wont start because of security, what to do?
  A: This is because you are using the ignition key that came with the used steering column you ...
wipers will not turn off1/4/2009
  Q: My wipers will not shut off unless I shut the car off, what can I do? It's driving me crazy. thanks ...
  A: The most likely fault is the control module mounted on the front of the wiper control box in the ...
no heat drivers side1/3/2009
  Q: I have a 1992 cadillac sts 4.9.blower and heat control seem to work fine for the passenger side but ...
  A: If you put the system on defrost, Do you get hot air from both dash vents ?. If you put the system ...
backup lights1/3/2009
  Q: I have a 1994 sed-deville My backup lights don't work I changed the bulbs still no lights. I can't ...
  A: Check fuse A3(10 amp) which is in the fuse panel in the engine compartment with the ignition switch ...
1994 Eldorado emergency brake1/3/2009
  Q: Emergency brake will not release when transmission is put in drive. Not sure if it is in the brake ...
  A: The most likelt fault is the vacuum switch located under the dash on top of the steering column that ...
Repairs to my Cadillacc 2003 CTS1/2/2009
  Q: Never had any issues with my car. Now of course that the warranty has expired and I am at 106,000 ...
  A: They first quoted $1800.00 Now they say $900.00. There is something definately WRONG with this. ...
2003 CTS12/31/2008
  Q: Is there a design flaw with the proximity of the PVC valve in relation to the exhaust manifold that ...
  A: GM has had engine problems since 1980 to present. I have been diagnosing Cadillac's for close to 30 ...
1994 eldorado 4.6 northstar engine12/31/2008
  Q: when car is warm and you park it when you come back to start it, sometimes it revs up and then will ...
  A: To get the codes: 1. turn ignition ON. Do NOT start the engine. 2. Simultaneously push and hold ...
Open circuit12/31/2008
  Q: I have a 96 deville with northstar. Ive been trying to figure out this code p1660(cooling fan ...
  A: When you unplug the ECT sensor the fans should both go to high speed, Do they ?. What your ...
1989 fleetwood heater problems12/30/2008
  Q: My 89 Fleetwood Cadi has started having heating problems. First, the heater would start blowing cold ...
  A: NO. What you need is pictures and directives e-mailed to you along with test procedures. As this ...
1991 Deville12/30/2008
  Q: I have a lot of questions for you as I'm doing a lot of work on the car. So thanks in advance. I ...
  A: You cannot install non-electronic shocks in this vehicle as it will cause the CHECK ENGINE light to ...
1995 fleetwood brougham Key resistor circuit open or shorted to battery12/30/2008
  Q: My car suddenly wouldnt start. I get a whir sporadically from what I believe is the starter when the ...
  A: Code 43 is an oxygen sensor fault. Your main problem sounds more like s starter problem whereas the ...
84 Cadillac Seville - no power12/28/2008
  Q: HT4100 with only one throttle body injector working (getting voltage). No codes or service lights ...
  A: Are you absolutely POSITIVE that you replaced the ECM and NOT the BCM ?. If you have battery ...
cadillac sedan deville 199512/27/2008
  Q: wont start up.when i turn the key does not give any sound nor does the computer give any signs that ...
  A: Could be a problem with the: electrical portion of the ignition switch. A starter relay fault. A ...
1994 Cadillac Sedan Deville12/27/2008
  Q: What is a no distributor signal, and how do I fix it please?
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Digital Guages not working12/26/2008
  Q: heater, air-conditioner do not work. My stereo does not work as well. The heater or ...
  A: I see this problem many many many times and the fault is that the radio is installed incorrectly. ...
91 Devilla Cadillac12/26/2008
  Q: My son in law has a 91 Seville he going give to me if he can get it fix. They drove it about 20 ...
  A: This is blown head gaskets and will require drilling out the head bolts in the engine and installing ...
95 cadi Sedan Deville12/26/2008
  Q: As I am driving the cadi at normal speed, the car goes into high acceleration mode. The only way to ...
  A: This appears to be a fault with the IDLE SPEED CONTROL internal plastic gears. This is a common ...
99 Seville codes12/26/2008
  Q: My Seville recently started having a no start problem. It will crank over but I noticed that the ...
  A: air bag has no connection with no start condition. If you are mechanicaly inclined or know of ...
96 deville, no heat or blowers12/26/2008
  Q: i have a 96 deville with 160,000 miles, and recently the blowers stopped working, and now the heat ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1988 fleetwood flooding after engine warms up12/26/2008
  Q: I pulled the codes and got 13, 28, 30, 38, 52. I read an answer in a previous post and someone ...
  A: Replace the oxygen sensor, The MAT sensor, Clean or replace all the spark plugs and change the ...
1988 Deville no heat12/26/2008
  Q: i live in MN and it is below zero, I wasnt getting hot air from the heater, so i replaced the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
cadillac repair12/25/2008
  Q: I own a 1993 Cadillac Seville and recently my heater fan would start and stop whenever it wanted to, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1996 Cadillac sts12/25/2008
  Q: have problem starting my vehicle the tank was empty but it has gas now!
  A: You either sucked up debris from the bottom of the gas tank and plugged the fuel filter at the ...
1993 cadillac sedan de ville12/24/2008
  Q: heater core failure. I had the core changed 5 times. any suggestions please. ANSWER: What is ...
  A: The fault is either a faulty radiator cap or the WRONG pressure cap for your specific vehicle. The ...
heater hoses into heater core12/23/2008
  Q: No heat in a 94 sedan deville 4.9L. Only 53000 miles. Replaced the Thermostat, exposed the heater ...
  A: There is NOT supposed to be a nut on the threaded rod. 1. Put the system on FULL HEAT, Watch the ...
93 Eldorado sputters, coughs and surges12/22/2008
  Q: "93 Eldo coupe with a 4.9 my problem is intermittent. sometimes it runs fine. the other times it ...
  A: Try 2 cans of dry gas anyway. If you are mechanicaly inclined or know of someone who is, You will ...
93 Eldorado sputters, coughs and surges12/22/2008
  Q: "93 Eldo coupe with a 4.9 my problem is intermittent. sometimes it runs fine. the other times it ...
  A: FIRST, Clear (erase) ALL the codes from the computers via the climate control panel ONLY, Drive the ...
Fuel not reaching engine12/21/2008
  Q: Due to the Expert's help I was able to rule out the fuse and the fuse terminals for the fuel pump. ...
  A: It is highly probable that you have either a bent wheel, Rim, Axle or axle tube. If you were ...
Cadillac fuel shut off12/21/2008
  Q: I have a 1994 Cadillac Fleetwood Brougham, which was hit by another car at the rear right wheel, ...
  A: We can remove the fuel pump relay and jumper the terminals to make the fuel pump run all the time ...
Cadillac fuel shut off12/21/2008
  Q: I have a 1994 Cadillac Fleetwood Brougham, which was hit by another car at the rear right wheel, ...
  A: In the engine compartment check the fuse box and you will see a row of little fuses. Check # 13 ...
1993 Elderado coupe 4.912/21/2008
  Q: my car cut off on me last night. I had to have it towed. I was just going down the road and the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
Cadillac fuel shut off12/21/2008
  Q: I have a 1994 Cadillac Fleetwood Brougham, which was hit by another car at the rear right wheel, ...
  A: Cadillac does NOT use a fuel shut off switch. 1. Remove the gas cap and have someone listen at the ...
turn signal replacement12/21/2008
  Q: I have a 1984 Cadillac Cimarron. The wipers come on when I use the turn signal. I suspect that the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
My baby12/20/2008
  Q: My Cadillac Deville Concourse was reving really weird. Then the battery totally died... I got codes ...
  A: I need the YEAR and MODEL of the vehicle. You may have gotten a mixture of gas and water from your ...
Cadillac Devill compressor12/20/2008
  Q: 2001 Deville a/c will not turn on. Compressor will not spin. Fooling around shutting car off and a/c ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, ...
1990 cadillac deville trouble code 5812/20/2008
  Q: we have changed the computer on the car complete tuneup and still are having trouble with this car ...
  A: E58 means that the pass key system will not allow fuel delivery due to a fault in the pass key ...
93 Cadillac Fleetwood door locks12/19/2008
  Q: While driving you can hear a solenoid clicking under the dash - moving the shift liver a little will ...
  A: The door lock switch located under the dash on the steering column may have faulty contacts and ...
problems with 1990 Cadillac Deville12/18/2008
  Q: This car has me stumped. We have changed the spark plugs, give the car a tune up, changed the brain ...
  A: 1. Turn the ignition switch to the ON position. Do NOT start the engine. 2. Simultaneously push and ...
92 Cadillac Deville12/18/2008
  Q: I am working on the above mentioned car. It has no heat output. I have changed the ...
  A: You need to check the AC/Heater programmer for proper operation. If you are mechanicaly inclined or ...
Cadillac Sedan Deville 9312/18/2008
  Q: My digital gauges that show my gas and temp in the car do not work anymore. My heat and defroster ...
  A: IS or HAS the CHECK ENGINE light ever illuminated on the dash ?. If you are mechanicaly inclined or ...
1991 Cadillac 4 door sedan12/18/2008
  Q: My window on the front passenger side has fallen down, of course the mechanism would be broken. I've ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
1998 DeVille Diagnostic Codes12/17/2008
  Q: The car is giving 4 diagnostic codes, I will list them in order they appeared. Note that the ...
  A: You either have a faulty spark plug wire or spark plug in one of the cylinders. If you have a ...
Service engine light12/17/2008
  Q: i have a 93 deville 4.8 with 114204 miles on it was owned by elder couple but, my problem is the ...
  A: What you need to do is access the computer and obtain the fault CODES that are stored in the ...
Left Turn Signal not Flashing12/17/2008
  Q: On left signal, bulbs light up but do not flash. Hazard flashes fine and right signal flashes. ...
  A: Turn ON the right turn signal and note how many light bulbs are flashing on the front and rear of ...
1994 Caddy Eldo12/16/2008
  Q: I am having a high idle problem(1500-2000rpms) and a code of P027 (open throttle switch signal) ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1988 Cadillac Brougham Radio12/16/2008
  Q: Just recently I have been experiencing problems with my car radio. The clock light no longer ...
  A: Did you check ALL your fuses ?. If you are mechanicaly inclined or know of someone who is, You will ...
92 Cadillac Brougham Wiring Problem?12/16/2008
  Q: Windshield wipers don't come on when asked to - but once they decide to come on they work the rest ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1998 DeVille Lights Flickering12/16/2008
  Q: All of the lights, be it the head lights/tail lights, instrument panel lights, door or dome lights ...
  A: OK, Now that we know tht the GROUNDS are OK, We can put our attention to the alternator. The ...
1991 cadillac deville12/16/2008
  Q: is it easier to replace the seat or the seat motor. Both motors are dead and there is power at the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1990 Cadillac Fleetwood12/15/2008
  Q: I have a 1990 Cadillac Fleetwood 4.5 liter that has 40,000 miles on it.The car is in excellent ...
  A: Because the ECM and BCM have lost their ability to talk to each other via the communications line . ...
1994 Cadillac Eldorado Cranks but no start12/15/2008
  Q: I have a 1994 Cadillac Eldorado that cranks but will not start. The fuel pump energizes when the key ...
  A: 1. Get yourself a helper and remove the gas cap. 2. Turn ON the ignition switch to the point where ...
codes12/14/2008
  Q: iv had this 86 devil for a fue months and never had any trouble until on day i shut it of and when i ...
  A: Replace the oxygen sensor, Clear the codes via the climate control panel ONLY, Drive the car and see ...
1995 cadillac sls seville12/14/2008
  Q: Is there a simple and easy way to unlock a brake caliper? its only locked on one wheel i haven't ...
  A: Apparently the caliper is frozen (stuck on the brake rotor due to a defective brake piston. About ...
1998 DeVille Lights Flickering12/14/2008
  Q: All of the lights, be it the head lights/tail lights, instrument panel lights, door or dome lights ...
  A: You need to check for tightness and or corrosion of all the BLACK wires that are attached to the ...
Cadillac Heated seats12/12/2008
  Q: 2001 DTS no heat for driver/pass. Did not go out at same time. Controls both light up. Hear a click ...
  A: NO. If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Heating A/C12/12/2008
  Q: I have a 2001 Deville with no heat on passenger side. The blower works at all speeds and positions ...
  A: The vehicle has to electrical ACTUATORS that control the flow of mixed air to the drivers side and ...
codes12/11/2008
  Q: iv had this 86 devil for a fue months and never had any trouble until on day i shut it of and when i ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Check engine light but no trouble codes 94 eldorado12/10/2008
  Q: I have a 94 Eldorado. The service engine soon light keeps coming on. At first it was once or twice a ...
  A: What you have is a residue buildup around the throttle plate and within the throttle body of which ...
2000 Cadillac Escalade12/10/2008
  Q: My Caddy will soometimes just shut off. This has happened a total of 3 times in the past 3 days. It ...
  A: IS or HAS the cHECK ENGINE light on the dash ever illuminated while driving the vehicle ?. this ...
fuel pump reset switch12/10/2008
  Q: I have a 96 caddy deville. While driving, I hit a piece of metal on my side of the road, thinking it ...
  A: Cadillac does NOT incorporate a reset switch on their fuel systems. You either have: 1. A damaged ...
caddi12/10/2008
  Q: why is my 1999 cadillac devielle still over heating i have change the radiator,water pump and ...
  A: The most common fault is small leaks in the head gaskets that is allowing small amounts of coolant ...
Dash lights12/10/2008
  Q: Today on my 2002 Deville 3 of my dash lights came on. (ABS,BRAKE,AND TRACTION CONTROL)... What DO ...
  A: This means you have a fault in either your suspension system and or your brake system. You need to ...
leaky escalade esv.12/9/2008
  Q: My 2004 escl. esv. leaks on the passenger side floor pretty bad whenever it rains. I can't tell if ...
  A: What you can do is to duct tape over the black plastic vents when you open the door where the door ...
car sittin low12/8/2008
  Q: well i notice that when i first got my car ( caddy 95 deville) the rear was nice and level and it ...
  A: Your problem is most likely a fault of the height sensor which is very easy to replace. YES, You ...
heating system for a 1988 cadillac deville12/8/2008
  Q: i have no heat. on the control panel for the heat it is displaying a d. a fuse was changed but i ...
  A: Replace the BCM computer. If you are mechanicaly inclined or know of someone who is, You will need ...
no heat on pasngr side 96 sls12/8/2008
  Q: How can I get the heat to come on the passenger side; and how to get the psngr heated seat to work ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
digital dash in 1989 caddy12/7/2008
  Q: my 1989 caddy has lost all dash readings ( speed,fuel,heater control etc... ) I have nothing reading ...
  A: Could be any number of things: Dash, Computer, etc. Is the CHECK ENGINE light illuminated ?. Have ...
idle speed12/7/2008
  Q: my idle speed in park is running high about 2500 to 3100 rpms in park . i put a brand new idle speed ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
2000 Cadillac Escalade starting problems12/5/2008
  Q: My Cadillac wont start. It was having troubles starting, but ran fine once started, until the ...
  A: Either you are NOT getting fuel and or ignition to the engine. You will need numerous pictures and ...
2000 Cadillac Escalade starting problems12/5/2008
  Q: My Cadillac wont start. It was having troubles starting, but ran fine once started, until the ...
  A: Can you hear the engine cranking over as you try and start the engine ?. We need to test the fuel ...
1991 Seville Heater core problem12/5/2008
  Q: No heat coming from vents. AC works fine, but when I switch to heat, it blows properly, just not ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Outside Temp reading12/5/2008
  Q: I have a 1997 Seville SLS, and the outside temp reading is wrong, last night the news on the radio ...
  A: NO, The sensor and wiring need to be tested,. If you are mechanicaly inclined or know of someone ...
1989 Cadillac Seville - High Voltage Message12/4/2008
  Q: Display states High Voltage. When I scroll to data it displays battery at 15.6 amps? What is ...
  A: You either have a fault in the alternator, Dash or computer. If you are mechanicaly inclined or ...
1986 Deville Ht4100 intermittent fast idle12/4/2008
  Q: I have a 1986 Deville with the HT4100. The idle speed goes intermittently fast usually at start up. ...
  A: You need to replace the ISC motor and make the base idle speed, TPS and ignition timing adjustments ...
1986 Deville Ht4100 intermittent fast idle12/4/2008
  Q: I have a 1986 Deville with the HT4100. The idle speed goes intermittently fast usually at start up. ...
  A: You can extend and retract the ISC while it is still on the engine via the climate control panel to ...
Cadillac cateria12/4/2008
  Q: What causes the RPM to go way up when the car is idling or in park?
  A: Either the idle air control valve or the idle speed control moor whichever your engine has on it. ...
computer codes12/4/2008
  Q: Can someone please tell me what these codes mean? I have a 2000 DeVille, vin# 1G6KD54YU221905. Here ...
  A: B0429 = Temp control #3 rear circuit range performance in the heater and AC system. P0420 = ...
diagnostic codes12/4/2008
  Q: 94 cadillac sedan deville, over 165 k miles. My service engine light soon comes on at times. I did ...
  A: We need to CLEAR (erase) all these codes and see which ones return as either Current or History. If ...
1994 won't start..12/3/2008
  Q: my 94' caddy california edition won't start...turns over , it's getting gas but no spark...got ...
  A: If the codes were able to be cleared from the old pcm, There was no reason to replace the pcm. It ...
diagnostic codes12/3/2008
  Q: 94 cadillac sedan deville, over 165 k miles. My service engine light soon comes on at times. I did ...
  A: You can CLEAR (erase) the codes from the computer via the climate control panel. Recheck all the ...
1991 Seville Heater core problem12/3/2008
  Q: No heat coming from vents. AC works fine, but when I switch to heat, it blows properly, just not ...
  A: Disconnect the vacuum line oing to the heater valve as there should be NO VACUUM at this hose in ...
loosening tension on v-belts for 84 caddy deville12/2/2008
  Q: I have an 84 caddy deville with a 4.1 V8. The V-Belt that goes around the main crank wheel, the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
no air flow threw vents12/2/2008
  Q: I can hear the blower motor roaring. The car will get warm. even on cold I can hear it but no flow. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
no power to fuel pump?12/2/2008
  Q: went to drive my 98 cadillac deville 4.6 and about 10 mins into driving it stalled.. so i checked ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Lighting12/2/2008
  Q: I own a 1991 Cadillac Brougham D'Elegance and there is a light about 6-8 inches long inside a chrome ...
  A: On the inside of the car on the pillar behind the fabric there are nuts that have to come off in ...
1991cadillaic sevile12/1/2008
  Q: what goes out the most on the bose gold speakers in driver door? I put my hand over the speaker and ...
  A: Sure, You can fix it yourself. The fault is most likely a faulty speaker, BUT, Simple electrical ...
1995 Cadillac Seville SLS12/1/2008
  Q: I have a 1995 Cadillac Seville SLS that has a lot of intermittent problems running and sometimes ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
no air flow threw vents12/1/2008
  Q: I can hear the blower motor roaring. The car will get warm. even on cold I can hear it but no flow. ...
  A: Your fault is most likely the AC/Heater programmer, That will require simple test procedures to ...
1995 Cadillac Seville SLS12/1/2008
  Q: I have a 1995 Cadillac Seville SLS that has a lot of intermittent problems running and sometimes ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
heat in 1999 Develle12/1/2008
  Q: what would be the problem if the heat didn't work. It don't blow out or nothing. I changed the ...
  A: You have a fault either in the blower motor, Climate control panel or the dash cluster. If you are ...
1997 Seville STS Dash Cluster replacement12/1/2008
  Q: I have a 1997 Seville STS and purchased a used dash cluster for it (due to a bad gauge in it)from a ...
  A: Because each cluster has a micro-processor chip with all the vehicles specific information such as ...
96 CADILLAC11/30/2008
  Q: I WAS WONDERING WHERE THE FUSE BOX IS ON A 96 CADILLAC SEVILLE THAT HAS THE HEATER BLOWER IN IT. WE ...
  A: It is in the engine compartment on the drivers side and is marked as INDVERT and is a 50 amp fuse. ...
part number11/30/2008
  Q: My 1997 Catera shift release solenoid doesn't! I can manually release it but need p/n to replace it, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
door locks11/30/2008
  Q: 95 cadillac eldorado doors are stuck locked. remote or key will not unlock them.how do we get them ...
  A: Either the relay is stuck or one of the lock switches is stuck in the lock mode. If you are ...
'90 Cadillac CeVille Wiper motor and wiper fluid pump11/30/2008
  Q: One of my wiper arms snapped off last winter, and I went without using them for a long while. I had ...
  A: Could be a faulty ground circuit, Faulty wiper switch or faulty electronics board on motor. If you ...
1991 Cadillac heater controls11/30/2008
  Q: What controls the flow of coolant through the heater core? Where can I find the control? We tested ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1989 DeVille "d" in climate control and fuel display11/29/2008
  Q: I found the question below on the allexperts website, my car is doing a similar thing. Sometimes it ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
Cadillac 1994 de Ville 32valve northstar eng11/29/2008
  Q: what are the following codes indicating: SO 11h, 16h, 21h, 55h, 60h, 72h, 73h, 76h, 93c, 95c, 98h ...
  A: S011 History = had an intermittent fault in the Left Front Solenoid Ride Suspension System which ...
1999 Cadillac Deville's Gas Gauge11/28/2008
  Q: My 1999 deville's gas gauge seems wrong. When the gas tank is empty, it keeps moving between 15gal ...
  A: You can purchase one at most any auto parts store. YES, I can provide directives and pictures and if ...
93 cadillac sedan deville speed sensor11/27/2008
  Q: about every two months i have to replace the vehicle speed sensor because the speedometer quites and ...
  A: This hshould not be hard to fix. If you are mechanicaly inclined or know of someone who is, You ...
heater11/27/2008
  Q: The heater in my 94 Fleetwood doesn't get very warm. The blower is working in all speeds. One of ...
  A: The first thing to do is flush out the heater core by removing the 2 hoses and put a MARK on each ...
DASH BOARD DISPLAY SECURITY WON'T START11/22/2008
  Q: MY CADILLAC 1995 MODEL. WON'T START IT DISPLAYS SECURITY ON THE DASH BOARD. IT ALSO SAYS TRACTION ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1990 el dorado idles high11/22/2008
  Q: my 1990 el dorado idles high,when I turn it on in the morning and it is cold I let it warm up and ...
  A: Your problem sounds like a faulty IDLE SPEED CONTROL MOTOR. If you are mechanicaly inclined or know ...
proper door panel removal11/21/2008
  Q: 1997 d'Elegance...window motor seems to need some help but I want to remove the door panel ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Cadillac code RS0027 on 96 deville11/20/2008
  Q: Where is Right rear solinoid sensor located for ride control
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1990 sedan deville runs rough11/20/2008
  Q: Have the large 100 buck factory manual. Trying to run down all the possibles listed by manual. One ...
  A: If there was a fault with the MAP sensor the CHECK ENGINE light would be illuminated. Is your ...
Northstar engine running and idling too fast11/20/2008
  Q: Last winter my 99 Aurora with a Northstar engine started idling fast and running fast at times. It ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1995 Cadillac SLS Instrument Cluster11/20/2008
  Q: Per your previous answer, I was able to pull the codes this morning while the cluster was working. ...
  A: You need to CLEAR (erase) ALL the codes via the climate control panel and see if any codes return. ...
93 Eldorado - heating problem11/20/2008
  Q: Wife's Eldorado blows warm air to the passenger side, but cool air to the drivers side. My ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
97 Cadillac SLS A/C compressor11/19/2008
  Q: The low coolant (freon) light was come on my cadillac and the computer has turned off the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
cadillac 93 wont stay running11/19/2008
  Q: i could drive my car for an hour non stop but as soon as i shut it off it would not start . it would ...
  A: P044 = Rear heated oxygen sensor is seeing a lean exhaust signal. I032 = You have a loss of your ...
86 fleetwood brougham. "NO CHARGE" light is on11/19/2008
  Q: I just put in a new battery, and the alternator was changed about a year ago. The car has been ...
  A: Either you have a short in the brown wire and or a fault in the alternator internal regulator or a ...
Service Engine Soon Light11/19/2008
  Q: How do you reset/turn off the "service engine soon light" on a 1993 Cadillac Deville?
  A: The service engine soon light is ON for a reason as there was an intermittent fault in the vehicles ...
Heater Blower 91 Cadillac11/19/2008
  Q: I have a Sedan Deville 1991 Cadillac. The heater blower dosent come on unless i hit a bump, and ...
  A: You most likely have 2 seperate problems. If you are mechanicaly inclined or know of someone who ...
2003 CTS..Key Locked in Ignition11/18/2008
  Q: My Key is locked in Ignition and wont come out. It wont start the car the either. I took it to a ...
  A: If you cannot remove the ignition key from the lock cylinder on the steering column and it is stuck ...
1995 Cadillac SLS11/18/2008
  Q: This is about my late dad's 1995 Cadillac SLS with Northstar engine: The digital components, tach, ...
  A: OK, You have a fault in the instrument cluster. If you are mechanicaly inclined or know of someone ...
trouble code for cadillac deville 199711/18/2008
  Q: Do you know what code P1350 and code P1375 mean?
  A: P1350 = Electronic spark timing bypass fault. P1375 = No crank shaft sensor A or B signal to the ...
1995 Cadillac SLS11/18/2008
  Q: This is about my late dad's 1995 Cadillac SLS with Northstar engine: The digital components, tach, ...
  A: Did you try and retrieve the codes using your CLIMATE CONTROL PANEL ?. 1. Turn ignition switch to ...
86 fleetwood brougham check engine light11/18/2008
  Q: Okay I finally have my 86 running. I have had the steering column rebuilt, new ignition switch, and ...
  A: We can try and adjust the electrical switch that is mounted up under the dash on the steering column ...
Windshield Wipers11/18/2008
  Q: My windshield wiper on the passengers side has just all of a sudden stopped working but the drivers ...
  A: If I knew the MODEL, YEAR and MAKE of vehicle, I can most likely help you by: If you are ...
1991 cadillac deville hvac11/18/2008
  Q: the heater doesn't blow hot air out of lower heater vent even when set on 90 deg. the heater control ...
  A: Put the system on FULL 90 degree heat at full blower speed. Wait 3 minutes and then disconnect the ...
86 fleetwood brougham. Heat control11/17/2008
  Q: 86 Fleetwood brougham. My heat works but only at the floor. And the "Low-High" speed control does ...
  A: You either have a fault of the heater/AC programmer and or a faulty vacuum door. If you are ...
heater in car11/17/2008
  Q: what would be the problem if the heat didnt work in a 1999 Deville? ANSWER: depends on WHERE the ...
  A: Is what your saying is that no matter where you set your climate control panels on HEAT or A/C you ...
1988 Eldorado Will Not Shift Out of 1st Gear11/17/2008
  Q: I own a 1988 Cadillac Eldorado with a 4.5L engine, overdrive transmission and it will not shift out ...
  A: OK, You could have a problem with the: Throttle valve linkage to the throttle body . A problem in ...
water pump, head gasket11/17/2008
  Q: in my 1999 Cadillac Deville..light comes on fluid low, was told water pump cover is leaking and ...
  A: Will fixing the water pump cause pressure on the head gasket? YES. If it was my vehicle, I would ...
92 eldorado11/17/2008
  Q: 92 Eldorado with a 4.9l the temp and fuel display [d] it has a service engine soon, antilock brake ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1995 cadillac stalls11/16/2008
  Q: my 1995 deville, service engine soon comes on and off and at times, not daily, the engine just turns ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
heater in car11/16/2008
  Q: what would be the problem if the heat didnt work in a 1999 Deville?
  A: depends on WHERE the heat is not working. Is is not working on BOTH sides of the car or only one ...
heater core replacement11/15/2008
  Q: I was able to self diagnose my Caddy and find that the heatercore needed replacing. What steps do I ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
Windown problems11/15/2008
  Q: I bought an 84 caddy eldorado. The window switches on both sides were broken off leaving all the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
2000 Caddy SLS11/15/2008
  Q: Getting code P1860-TCC PWM Soleniod Electrical fault. It reoccurs after clearing. Is there a way to ...
  A: unplug the transmission wiring harness and locate terminal "U" (pink wire) which should have battery ...
1984 Cadillac El Dorado11/14/2008
  Q: I've recently noticed my car starts when it want's to, dies while i'm driving the guages don't work ...
  A: Computer fault is highly UNLIKELY as there are 2 computers. One runs the engine and the other ...
1989 Cadillac heater11/14/2008
  Q: I am having problems with my heater on my 1989 Cadillac Deville. For some reason the heater will ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1995 caddy deville11/13/2008
  Q: 96000 miles today the display read "traction disabled" and wouldnt start then i waited and tried ...
  A: The FIRST thing I would do is have the charging system tested. Once it is verified that it is OK, ...
windows11/13/2008
  Q: What controls do I turn on to prevent the windows in the back fogging up? I feel like I've tried ...
  A: On the instrument panel you will see the AUTO button and just below it the FRONT button which is for ...
1991 Cadillac DeVille11/13/2008
  Q: This car has been setting for about a yr.New battery has been installed,starter is good.Still the ...
  A: OK, What you have is either a fault with the PASS-KEY security system and or a fault in the starter ...
1995 Cadillac Edorado Climate Control/Fuel Center11/13/2008
  Q: I am having the dreaded climate control / fuel center problem. The climate control and fuel center ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1990 caddilac deville11/12/2008
  Q: Need to know how to take off a key ignition tryed a dent puller and diddnt work
  A: If your referring to the ignition switch on the steering column you have to remove the steering ...
1991 Cadillac DeVille11/12/2008
  Q: This car has been setting for about a yr.New battery has been installed,starter is good.Still the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
92 Cadillac Deville Problems11/12/2008
  Q: My car is cutting off while slowing down, stopping or turning. When slow down it makes a jerking ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
96 Cadillac Deville Transmission Problem11/12/2008
  Q: i have a 96 cadillac deville, i have first and second gear which shift fine. i also have passing ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
92 Cadillac Deville Problems11/12/2008
  Q: My car is cutting off while slowing down, stopping or turning. When slow down it makes a jerking ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1991 Cadillac DeVille11/11/2008
  Q: This car has been setting for about a yr.New battery has been installed,starter is good.Still the ...
  A: Does the engine turn over when you try and start the car but it just won't start ?. First you need ...
1992 cadillac deville11/11/2008
  Q: My car knocks off,and when i turn corners it knocks off and it will ride good and then it will start ...
  A: Please elaborate on your quote: we took the throttle back. If you are mechanicaly inclined or know ...
94 Caddy Sedan DeVille 4.9 ci11/11/2008
  Q: The problem I have is in the idling of the engine. The vehicle idles well, but in the summer when I ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
Heater11/11/2008
  Q: I have a 97 Seville SLS, the engine heats up but blows out cold air. can mess with the controls and ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
High RPMs on an 89 Eldorado11/11/2008
  Q: Ive recently purchased an '89 Eldorado with a 4.5L engine. I bought it on the cheap since it had ...
  A: You stated: I've contacted the repair shop and will try to get them to repair it for ...
Fix back brakes, 65 Deville11/11/2008
  Q: I have done the front with no worries. But I friend of mine tells me to take the car in for the ...
  A: You are asking about a 1965 rear brakes, Yes ?. Why would you not be able to do it yourself ?. I ...
1991 cadillac sadan deville trans11/11/2008
  Q: 9 that won't shift into low automatically I can shift it manually and it works fine.im thinking ...
  A: Are you ABSOLUTELY POSITIVE that you are starting out in FIRST gear ?. Is it possible that you are ...
84 cadillac no fuel11/11/2008
  Q: I own an 84 cadillac coupe deville and im not getting any fuel to the carborator. CAN ANYBODY HELP ...
  A: Yes, We can help you and we can also help you fix your problem. IS or HAS the CHECK ENGINE light ...
1999 Cadillac Deville11/10/2008
  Q: I have a 1999 Cadillac Deville. The air suspension in the rear is overpressurized. I don't know if ...
  A: Your most likely suspect is the HEIGHT CONTROL SENSOR which is faulty and requires replacement. If ...
89 deville E codes11/10/2008
  Q: my service engine soon light recently came on but only does on the first start up for the day and ...
  A: The FIRST thing you need to do is CLEAR (erase) ALL these codes from the computer and see if they ...
2000 cadillac escalade11/10/2008
  Q: Have a 2000 Escalade purchased recently, it wont start when its wet/raining, even if its just been ...
  A: I have yet to find a MAP sensor that fails due to dampness. IS or HAS the CHECK ENGINE light ever ...
escalade repair washer fluid resevoir11/10/2008
  Q: How do I fix my washer reservoir on my 2002 Cad. Escalade? Fluid leaks out about as fast as I put it ...
  A: most likely there is a crack in the bottom of the plastic overflow container and or the electric ...
High RPMs on an 89 Eldorado11/10/2008
  Q: Ive recently purchased an '89 Eldorado with a 4.5L engine. I bought it on the cheap since it had ...
  A: This sounds like an idle speed adjustment problem most likely due to someone manually increasing the ...
1992 cadillac deville11/10/2008
  Q: My car knocks off,and when i turn corners it knocks off and it will ride good and then it will start ...
  A: Does the car experience these same symptoms when the gas tank is over half full ?. Did this problem ...
1988 deville wont start11/9/2008
  Q: I have a 1988 Deville and I did a tune up on it. Cap rioter plugs and wires. Ran fine that night ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
remove/reinstall spark plugs11/9/2008
  Q: Vehicle is a 1990 Sedan Deville and I need to change the spark plugs. Engine sets crossways. What ...
  A: YOU STATED: It can't be as difficult as it looks. Oh YES it can. Everybody has their own method of ...
2000 cadillac escalade11/8/2008
  Q: Have a 2000 Escalade purchased recently, it wont start when its wet/raining, even if its just been ...
  A: Explain won't start. Do you mean that when you try to start the engine, Nothing happens ?. Or can ...
1991 Cadillac El Dorado 4.911/8/2008
  Q: What do I need to check when my panel states "battery volts high". The battery voltage spikes ...
  A: You need to IMMEDIATELY STOP using this vehicle as you will start to FRY electronic parts and remove ...
94' Cadillac Deville 4.9L Front Lower Ball Joint replacemet11/7/2008
  Q: I have a 94' Cadillac Deville 4.9L and I need help with the procedure for replacing the front lower ...
  A: 90% of the people I deal with who are looking for help are NOT very mechanically inclined. I am ...
1995 Cadillac Deville11/7/2008
  Q: A message has come up on the screen that says "Service Ride Control". What does this mean and is it ...
  A: What you need to do is CLEAR (erase) this code I039 history from the computer. drive the vehicle and ...
2003 cadillac cts11/6/2008
  Q: when i try to start my car it spins but wont start. after i waited for a while it started two ...
  A: Could be a fuel pump pressure or volume problem OR it could be an intermittent fault in the spark to ...
Leaks and Smells...11/6/2008
  Q: and thank you for this excellent source of info. I have two questions... each needing equal ...
  A: It IS possible that the power steering leak is getting fluid onto the serpentine fan belt causing ...
Cadillac Catera A/C Heater Control / heated seats11/6/2008
  Q: A/C Heater control panel in my Catera does not turns on/response/lights up, nothing. The fuses are ...
  A: FIRST I need the YEAR of the vehicle. Your problem may NOT be the dash unit. It could be a fault in ...
96 cadillac deville problem11/5/2008
  Q: hey i got a 96 cadillac deville one day it just wouldent start so i put quick start in it and then ...
  A: check your fuel pressure. Sounds like your dad is on the right track. NOTE: If you do have to ...
my car running hot11/5/2008
  Q: i have a 1999 cadillac deville i have change the termostat change the water pump also check for ...
  A: Whether you fix the engine you have or replace the engine, I would still drop in a new radiator. If ...
my car running hot11/5/2008
  Q: i have a 1999 cadillac deville i have change the termostat change the water pump also check for ...
  A: Even though I know the head gaskets are leaking, You MIGHT, And I said MIGHT dellay the engine ...
1988 Cadillac Brougham Vacuum System11/5/2008
  Q: I recently replaced the cylinder heads on a 1988 Cadillac Brougham (307). I thought I had the ...
  A: If you have the factory service manual look on page 1C-13 for the water valve hose. Where it shows ...
94' Cadillac Deville 4.9L Front Lower Ball Joint replacemet11/5/2008
  Q: I have a 94' Cadillac Deville 4.9L and I need help with the procedure for replacing the front lower ...
  A: If you are mechanicaly inclined or know of someone who is, You will need pictures locations of the ...
fuel pump strainer and fuel level sending unit11/5/2008
  Q: Hey I went to the service place and they claimed I need a new fuel pump strainer and fuel level ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Camshaft sensor11/4/2008
  Q: where is Camshaft sensor located on a 1994 cadilac sendan deville 4.9L
  A: It is located in the distributor and is also known as a HALL-EFFECT sensor. If you are mechanicaly ...
trans solenoid11/4/2008
  Q: i have a 1996 cadillac and it will not shift into overdrive, i need to no what is the name of the ...
  A: IS the CHECK ENGINE light ILLUMINATED ?. What CODES are you getting from the computer ?. The ...
my car running out11/4/2008
  Q: i have a 1999 cadillac deville i have change the termostat change the water pump also check for ...
  A: You have small seepage of the entire head gaskets which is being introdduced into all the combustion ...
2000 cadi DHS will not start in mornings11/4/2008
  Q: MY 2000 cadi dhs will not start when the dew is on the car.when the day heats up the car will run ...
  A: Drive the car down to any AUTOZONE auto parts store and ask them to retrieve the CODES from the ...
93 caddy deville11/4/2008
  Q: the vehicle starts but runs rough, stumbles, and intermittently stalls out, it is worse when cold, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Climate control and gauges out in cadillac sedandeville11/4/2008
  Q: There are no fuses blown, but my climate control and gauge lights are out. ANSWER: What gages are ...
  A: Did the climate control and gages work when the original radio was installed ?. If you are ...
2 Cadillac issues. Need help with....11/3/2008
  Q: I have the following that I just bought Used! Please note that I DO NOT have the "Owner's Manual" ...
  A: (1) Did you try trurning ON the head lights or parking lights to see if the engine compartment lamp ...
1997 sts hot start problem11/3/2008
  Q: 1997 sts starts fine when cold but cranks extensively when hot. I have replaced the fuel pump (went ...
  A: The first thing you have to do is identify if it is FUEL or IGNITION to the spark plugs that you do ...
ignition cylinder11/3/2008
  Q: i have a 200 eldarado and my father installed an automatic stater. since then he was having problems ...
  A: Could be the: Key cylinder. Ignition key. Pass-key module. wiring fault in the pass-key system. ...
overheating11/3/2008
  Q: I have a 1994 Seville that overheats. I have changed the water pump, the radiator and the ...
  A: What you have is a classic example of a faulty head gasket allowing combustion chamber pressure into ...
blown fuse11/3/2008
  Q: i have a 97 devville and the whole dash cluster went out it wont start or anything and i tried the ...
  A: If the replacement fuse also blew, You will need a wiring schematic to test the input and output ...
1973 Cadillac Eldorado electical question11/3/2008
  Q: I have a '73 Eldorado convert. Took the car for a season end drive today. When I left home all ...
  A: Take a look at the starter where the battery cable is connected and you will see several RUBBER ...
87 cadillac brougham losing coolant at alarming rates11/3/2008
  Q: my question is that simple my 1987 cadillac brougham 5.0 307c.i. loses coolant almost as soon as i ...
  A: If you cannot find any external anti-freeze leaks on the ground, Are you seeing ANY amount of white ...
Numerous and Random Electrical Issues - 98 Deville11/3/2008
  Q: We recently purchased a used 1998 Deville and have had random issues with it. We replaced the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1988 Cadillac Deville11/2/2008
  Q: On my deville I have water leaking through my dash. At the same time I am loosing water from ...
  A: The most common fault is that the haeter core is leaking. You will need to replace it. If you are ...
1992 CADILLAC DEVILLE 4.9 MISS/TPS11/2/2008
  Q: 1992 DEVILLE 4.9, PURCHASED CAR, HAD BAD MISS, NO CODES, NO ENGINE LIGHTS, DROVE 70 MILES HOME, 1/2 ...
  A: With the engine running, start pulling spark plugs one at a time and see which spark plug does NOT ...
!988 caddy waterpump11/1/2008
  Q: How do i change it? Thanks6s8ug
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations and ...
1989 Deville won't start11/1/2008
  Q: My Deville won't start turn ignition key and all that happens horn blows like a alarm?? We have ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Rear passenger window will not go up.11/1/2008
  Q: I have a 1989 Cadillac fleet wood brougham edition. I am able to have the window go down but it will ...
  A: ALL the windows wiring goes to the drivers master switch BEFORE it goes to the other windows. You ...
1989 Deville won't start11/1/2008
  Q: My Deville won't start turn ignition key and all that happens horn blows like a alarm?? We have ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
car starter10/31/2008
  Q: im trying to rewire the starter on a 94 cadillac sedan deville. 4.9 V8 engine. I recently bought a ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
92 eldorado dumping fuel10/31/2008
  Q: I have a 92 eldorado it was running a little rich before it was taken apart. we have replaced the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
intermittent air problem 95 cadillac sts10/31/2008
  Q: I have an air problem for cooling and heating. Sometimes i get the message: no a/c low refrigerant ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1991 Cadillac Sedan Deville BCM Computer10/30/2008
  Q: Where do I locate the BCM computer in my 1991 Cadillac Deville? I need to rid myself of the "d" ...
  A: You can get a new one at any auto parts store and change it yourself with my help. If you are ...
2002 Cadillac Deville10/30/2008
  Q: Electric car window motor is out. Rough estimate about cost to fix?
  A: How did you determine it is the motor ?. Could be the switch. Did you test it properly ?. If you ...
93 caddy deville10/30/2008
  Q: the vehicle starts but runs rough, stumbles, and intermittently stalls out, it is worse when cold, ...
  A: This code will not cause acceleration or performance problems. It CAN cause stalling at idle or when ...
1995 cadillac seville sts..wont start10/30/2008
  Q: my 95 sts...wont start..all it does when i turn the key is click...i just put a new battery in it so ...
  A: You could have a fault in either the: Ignition relay, PASS-KEY system, Or the starter. If you are ...
92 cadillac seville wont start10/30/2008
  Q: The car has done this to me a few times in the past but has always ended up starting after it sat ...
  A: You could remove the flickering cluster and test the input voltages that illuminate the cluster and ...
cadillac wont start10/30/2008
  Q: I bought a 1995 Cadillac concourse north star car 2months ago the car did have a broken key half of ...
  A: You need special tools to remove the lock cylinder. Once you replace the lock cylinder you will get ...
97 deville half cold/half hot when heater on10/29/2008
  Q: I am getting cold air on driver side and hot air on passenger side when I turn the heater on. I ...
  A: If you are getting COLD air on the drivers side with the HEAT on, You have a faulty drivers side ...
96 cadillac deville10/29/2008
  Q: As I was driving something from underneath the dashboard just poured right on my left foot and ...
  A: Did you EVER hear of a Cadillac repair that was NOT costly ?. If you DO, Let me know. What you have ...
97 deville half cold/half hot when heater on10/29/2008
  Q: I am getting cold air on driver side and hot air on passenger side when I turn the heater on. I ...
  A: If you are getting COLD air on the passengers side with the HEAT on, You have a faulty passengers ...
cadillac wont start10/29/2008
  Q: I bought a 1995 Cadillac concourse north star car 2months ago the car did have a broken key half of ...
  A: Every ignition key has a different RESISTANCE built into the ignition key, Thus the reason for the ...
87 cadillac eldorado 4.110/29/2008
  Q: My engine control light has been on for about 6 mths. But a week ago it started running sluggish ...
  A: 1. Either FIX the LCD screen or you will have to take the car down to most any auto parts store and ...
1992 cadallic10/29/2008
  Q: my heat does not turn on at all no blower nothing the heater hoses are hot but the climate control ...
  A: What you are saying is that the blower motor that blows air from the various vents on the dash is ...
fuel pump10/29/2008
  Q: replace fuel pump does not run could it be the cam sensor ANSWER: IF you had a cam sensor fault you ...
  A: Perform this test procedure using a helper. 1. remove the gas cap and have your helper listen at ...
brake problem 1987 Cadillac deVille10/29/2008
  Q: My son recently received his grandmother's 1987 Cadillac with only ~49K miles. The rear passenger ...
  A: Pull the tire OFF and inspect the brake components. If you are mechanicaly inclined or know of ...
1990 eldorado trunk pull down10/29/2008
  Q: I have bought a motor and switch and replaced it and will still not pull down. Fuse seems good and ...
  A: Did you buy a NEW or used one ?. If you are mechanicaly inclined or know of someone who is, You ...
fuel pump10/29/2008
  Q: replace fuel pump does not run could it be the cam sensor
  A: IF you had a cam sensor fault you would have a check engine light on the dash. Do you know how to ...
92 cadillac seville wont start10/29/2008
  Q: The car has done this to me a few times in the past but has always ended up starting after it sat ...
  A: If the digital display will stay illuminated when the engine is running, Go ahead and check for ...
1995 cadillac10/28/2008
  Q: When my car is in the garbage I can smell order of gasoline, from the hood around the fuel rail.
  A: When my car is in the garbage ??????????????. It is possible that you have a fuel leak somewhere ...
95 ELDORADO SERVICE RIDE CONTROL10/28/2008
  Q:
  A: The first thing you need to do is to retrieve the codes from the computers to see what the cosde IS ...
GAS GAUGE10/27/2008
  Q: MY NEIGHBOR CHANGED BY FUEL PUMP IN MY 94 CADILLAC BROUGHAM EVERYTHING WORKS BUT THE ONLY DOWN FALL ...
  A: Could be a faulty wire connection or a fault in the fuel sending unit in the gas tank. If you are ...
1991 Cadillac DeVille acceleration loss when turning-10/27/2008
  Q: What could cause my 91' Cadillac Deville to lose acceleration all together when making right hand ...
  A: If the fault happens when the gas tank is low on gas there is a rubber hose connection between the ...
Poor acceleration at High Speeds10/27/2008
  Q: My question is,when Im driving my 1987 Cadillac Fleetwood Brougham on the parkway it dose not want ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
theft system won't allow me start10/26/2008
  Q: The theft system on my 96 eldorado won't allow me to start car.I left key in ignition with driver ...
  A: OK, You have a fault within the PASS_KEY security system which is caused by either: faulty ignition ...
help10/26/2008
  Q: i have a 93 cadillac sedan deville and the fuel data center and climate control dont work.; do i ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
cadillac a/c10/26/2008
  Q: I have a 1996 Cadillac Deville. The a/c will come on sometimes and sometimes not. When it blows it ...
  A: I believe you are referring to the blower motor that blows air thru the different vents depending ...
96 Deville center display group not displaying anything10/26/2008
  Q: A couple of weeks ago the center display cluster on dash went completely dark. The next day the ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
Oil Pressure10/26/2008
  Q: How do u check the oil pressure in a 1991 Cadillac seville STS?
  A: Put a "T" fitting in where the oil pressure switch is at the oil filter and install the oil pressure ...
Periodically won't start10/26/2008
  Q: I just recently purchased a 1999 Cadillac Catera. Every once in a while it doesn't want to turn ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
92 Deville10/26/2008
  Q: Isn't there anyone who is expert enough to really answer the E code questions. It seems everyone who ...
  A: Is the code 53 showing up as E53 and also EE53 ?. This is a fault in the distributor circuitry and ...
92 cadillac seville starter relay10/26/2008
  Q: Question The car will go for days and then not start after it gets hot. When this happens it has no ...
  A: 1. Turn ignition switch to the ON position. Do NOT start the engine. 2. Simultaneously push and ...
1998 CADILLAC SEVILLE STS10/25/2008
  Q: WHEN I FIRST START UP ENGINE IT WILL RUN RUFF AND HAVE CYLINDERS MISFIRE UNTIL NORMAL RUNNING ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
drivers door window10/25/2008
  Q: I have a 1995 Cadillac Eldorado and I hit the down lever to lower the window. Everything appeared ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Cadillac won't start, possible starter10/25/2008
  Q: I have a 1999 Deville and it won't start, when I turn it over it clicks once, I replaced the battery ...
  A: Try jumping the starter at the starter relay behind the glove box. If the engine cranks over and or ...
Release of Parking Brake10/25/2008
  Q: 1990 Cadillac Sedan Deville. Cannot get the emergency parking brake to release. Do not have an ...
  A: Just under the bottom lip of the dash all the way towards the drivers door you will need to remove a ...
1990 Cadillac Deville10/25/2008
  Q: CHECK COOLANT LEVEL light has come on two times in the last 3 month. What could be the possible ...
  A: Make sure that the plastic radiator overflow jug is at the FULL mark.. If the plastic jug is EMPTY ...
Cad Deville stalls and recovers10/24/2008
  Q: Cad stalls and immediately recovers when driving in very hot weather and air conditioning is ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
cadillac vibration10/24/2008
  Q: I own a 1993 Cadillac de Ville and it has given me good service through the year. Of course, I am ...
  A: If you had NO VIBRATION with the original tires and now with new tires you have a vibration is it ...
92 cadillac seville starter relay10/24/2008
  Q: Question The car will go for days and then not start after it gets hot. When this happens it has ...
  A: Cadillac has had numerous problems with ground circuits. Add a large gage wire ground from the ...
97 cadillac deville10/24/2008
  Q: 6 it is hard to start sometimes and when it does the rpm gauge is not working, it also stalls when ...
  A: Are the codes CURRENT or HISTORY ?. If you use the vehicles onboard computer diagnostics via the ...
97 cadillac deville10/23/2008
  Q: 6 it is hard to start sometimes and when it does the rpm gauge is not working, it also stalls when ...
  A: When the codes appear on the screen you should see either the word History or Current after each ...
ground issue with 96 seville sls10/23/2008
  Q: recently installed motor in a 96 seville - motor turns over well, but won't start ( no spark) went ...
  A: pco322 =No ignition 4X reference signal. pco563 = no such code. pco603 = PCM keep alive memory ...
'93 caddy fails to start for hours10/22/2008
  Q: I have a 1993 Caddy Seville 468..The car will run forever, but when I shut it down it will not start ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
92 catillac deville10/22/2008
  Q: i have a 92 catillac deville, when i drive and make a hard stop the car will cut off, or when i make ...
  A: There is a small 3" rubber hose that connects the gas pickup tube to the electric fuel pump that ...
Radio-brakes on Caddy CTS 200410/22/2008
  Q: This is a strange problem which has only recently developed. When I press the brake pedal the radio ...
  A: OK, What you are saying is that your are getting static interference on the radio during reception ...
cadillac sts 200010/22/2008
  Q: i have a cadillac sts 2000 and my service engine soon light came on and i had it checked and they ...
  A: Not without performing the 2 simple test procedures as guessing is a 50/50 hit and miss. Accurate ...
cadillac sts 200010/22/2008
  Q: i have a cadillac sts 2000 and my service engine soon light came on and i had it checked and they ...
  A: This is the circuit that engages and disengages your overdrive within your transmission. The 2 most ...
1991 Cadillac Seville Wiper Issue10/21/2008
  Q: I have a 91 Cadiallac Seville where the wipers only go up part way and then return to the stopped ...
  A: This is going to require several pictures and diagnostic test procedures to fix. If you are ...
96 sts cad runs on its own10/21/2008
  Q: The engine runs high that i sometimes have to drive with the brake on. It will go about 40 miles an ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
95 eldorado hv/ac fan10/21/2008
  Q: or more runs fine no noises when it works thanks john!
  A: You need to perform some simple tests using a DIGITAL volt/Ohm meter when the fan is acting up. ...
Radio-brakes on Caddy CTS 200410/21/2008
  Q: This is a strange problem which has only recently developed. When I press the brake pedal the radio ...
  A: Did you put a CB (citizens Band) radio in the vehicle so you could talk to the truck drivers ?. The ...
1990 cadillac10/20/2008
  Q: I had my starter tested and it tested good.I changed all my fuses and it still wont start, it only ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1990 Cadillac Eldorado-camshft position sensor10/20/2008
  Q: I have a 1990 Cadillac Eldorado the check engine light is on and I had a diagnostic code come up of ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
95 ELDORADO10/20/2008
  Q: MY ELDORADO HV/AC FAN RUNS SOMETIME AND THEN IT QUITS COMES BACK ON AS LONG AS I DONT TURN IT OFF ...
  A: The fault of the interior blower fan to provide air from the interior vents can be caused by: A ...
96 seville won't start10/20/2008
  Q: recently installed a new (used) motor in good running condition- motor turns over well - will not ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1990 Cadillac Eldorado-camshft position sensor10/20/2008
  Q: I have a 1990 Cadillac Eldorado the check engine light is on and I had a diagnostic code come up of ...
  A: The camshaft sensor Hall-Effect)is inside the distributor and will require several pictures and test ...
1988 ElDorado loss of engine power after..10/20/2008
  Q: My mechanic just flushed the cooling system, installed an idle modulator, and put in a new gasket ...
  A: Did you check to see if the exhaust has a restriction such as a plugged up catalytic converter ?. ...
1993 Cadillac STS "Service Ride Controll"10/20/2008
  Q: I have a 1993 cadillac STS and the dash says to service ride control? what is it and how could i go ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
theft system 95 caddy10/20/2008
  Q: I pulled a 95 sls in the shop the abs and traction control lights are on . 2 minutes after hooking ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1990 Cadillac Brougham10/20/2008
  Q: Replaced front brakes but my antilock light is on inside the car. Sometimes the light goes on and ...
  A: You may have accidentally disconnected onr of the sensor connections at one of the front wheels. If ...
1990 caddy seville10/20/2008
  Q: when i start my car and put it into drive it stalls
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1995 ELDORADO STS10/19/2008
  Q: LAST YEAR I HAD THE SHIFT A AND SHIFT B SOLENOIDS REPLACED BECAUSE I WAS GETTING THE ERROR CODES FOR ...
  A: You have a fault in the TORQUE CONVERTER CLUTCH SOLENOID circuit. You ALWAYS replace this item ...
flasher 1988 eldorado10/19/2008
  Q: Where is the flasher located on the 1988 eldorado ANSWER: If you are mechanicaly inclined or know ...
  A: If you are mechanicaly inclined or know of someone who is, you will need picture locations of the ...
flasher 1988 eldorado10/19/2008
  Q: Where is the flasher located on the 1988 eldorado
  A: If you are mechanicaly inclined or know of someone who is, you will need picture locations of the ...
Tach Hookup.10/18/2008
  Q: How do I hook up a Hand held Tach/Dwell Meter to get the tach reading off the distributor coil when ...
  A: DO NOT USE THE PINK WIRE. If you are mechanicaly inclined or know of someone who is, You will need ...
1992 Seville Glovebox Removal10/18/2008
  Q: 3 Issues here; A heater problem where heat is coming out only from the right side of the top defrost ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Seville 90 Dashboard mallfunction10/18/2008
  Q: The Dashboard and driver information central /climate control display is totally black on my 90 ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Hazard Warning10/18/2008
  Q: The hazard warning on my 1994 Cadillac Deville has stopped working--- Turn signals work ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
91 cadi seville system problem on console10/18/2008
  Q: My car has the words SYSTEM PROBLEM on the console and I did recently have a fuel pressure regulator ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1997 elderado cadillac10/18/2008
  Q: i have a 1997 elderado cadillac i can get power to alternator.but alternator will not put power ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
DIGITAL FUEL INJECTION ON CADILLAC10/17/2008
  Q: I HAVE A 1983 CADILLAC DEVILLE. WONT START DOESNT SEEM TO BE GETTIN GAS. FUEL PUMP WAS REPLACE AND ...
  A: What you have is either a fault of the: Computer, Fuel pump relay, Oil pressure sensor or a fault ...
2004 Cadillac Deville Power Steering10/17/2008
  Q: My 2004 Cadillac has 63K miles, after the car runs for about 20 minutes and the engine speed is low, ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
92 Caddilac Problems10/17/2008
  Q: I have a 1992 caddilac sedan deville. I love my car. I am haveing a few problems thouhg. The gas ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
fuel injectors10/17/2008
  Q: what is the process of replacing a fuel injector how much time and what all do you have to do. ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
99 deville transmission10/17/2008
  Q: Computer code P0741 and P1527 No symptons, Only "SERVICE ENGINE SOON" annunicator. After clearing ...
  A: P0741 is a fault of the overdrive circuit in the transmission. Most likely a faulty TORQUE CONVERTER ...
1998 cADILLAC D'Elegance10/17/2008
  Q: How do you know if you have a blown head gasket and how much to replace.
  A: Engine constantly overheats even though the cooling fans are running. Bubbles coming out of the ...
DATA LINE CRASH10/16/2008
  Q: How do you replace the "data line" in a 1996 Eldorado ETC?
  A: You don't The data line is like a telephone line transmitting and receiving information from all the ...
caddy trouble10/16/2008
  Q: I have a 97 Cadillac DeVile with 128K miles. Recently, when I turn off the car, the radio resets ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
car10/16/2008
  Q: I have a 1996 Caddilac Concours and the"service emmissions system" light and "service ride control" ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
caddy trouble10/16/2008
  Q: I have a 97 Cadillac DeVile with 128K miles. Recently, when I turn off the car, the radio resets ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
theft-deterrent sytem10/15/2008
  Q: How do you reset the theft-deterrent system on a 1990 Cadillac Seville? Or how can you take it off ...
  A: If you have a theft deterrent module on your key chain that locks and unlocks the doors, Try locking ...
cadillac deville no start10/15/2008
  Q: the car just died and i replaced the battery and when i turn the key the dash lights up and ...
  A: If you have a theft deterrent module on your key chain that locks and unlocks the doors, Try locking ...
flickering lights in and outside of car10/15/2008
  Q: what would cause this problem it is a 1997 cadillac seville,just had an alertnater put in 2 months ...
  A: Loose ground, digital speedometer cluster (if applicable) faulty alternator or the vehicles ...
94 sts key stuck and wont start10/15/2008
  Q: I have two major problems with my 94 sts. I was driving fine the other day when it started acting ...
  A: Either the lock cylinder in the steering column has come apart internally OR the electrical portion ...
no battery light is on 1990 eldorado10/15/2008
  Q: yes my battery was going dead every couple of days no light was on pulled the alt and took it to the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
New Heater core no heat10/14/2008
  Q: I have a 91 Deville 4.9. I have had it for a year and there has never ben any heat. Changed T-Stat, ...
  A: There is no special procedure to purge air from the system. I still think that your PROGRAMMER is ...
on board diagnostic system10/14/2008
  Q: My 93 Cadilliac sedan deville 4.9FI cut off this morning on the highway, I put the car in (N) and ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
relay for headed seat10/14/2008
  Q: I bought a used 2000 dts, the headed seats (both side) upper & lower don't work, check everything ...
  A: You can most likely get them from most any auto parts store. However do you want to spend this much ...
New Heater core no heat10/14/2008
  Q: I have a 91 Deville 4.9. I have had it for a year and there has never ben any heat. Changed T-Stat, ...
  A: What about the heater hoses when the engine is at normal operating temperature. One should be ...
1990 cadillac seville10/14/2008
  Q: the rke will freeze .i disconnect and reconnect the battery then it will work for a minute or so ...
  A: OK. If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1990 cadillac seville10/14/2008
  Q: the rke will freeze .i disconnect and reconnect the battery then it will work for a minute or so ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
air ride 99 deville10/13/2008
  Q: I have a 99 deville that the rear end is sagging, how do you fix the air ride starting with the most ...
  A: The most common failure is with the HEIGHT SENSOR. If you are mechanicaly inclined or know of ...
'84 Cadillac dimmer switch replacement10/13/2008
  Q: Swich is faulty and have ordered replacement. How do I get the jacket off the column to get to the ...
  A: The dimmer switch is located way down on the side of the steering column under the dash. The only ...
97 STS Blower Motor10/13/2008
  Q: My 97 sts blower suddenly stoped. I tried to remove the blower however there was not enough ...
  A: Fault is most likely an internal A/C-Heater PROGRAMMER failure. If you are mechanicaly inclined or ...
1992 cadillac brom 5.7L10/13/2008
  Q: hesitate on take off has a slight knock and does not has the same power when first got it replace ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
New Heater core no heat10/13/2008
  Q: I have a 91 Deville 4.9. I have had it for a year and there has never ben any heat. Changed T-Stat, ...
  A: Other than no heat, Does the rest of the climate control panel put out air from the proper vents ...
no fuel going to the carborator10/13/2008
  Q: Will a bad fuel relay sensor cause the vehicle to hesitate and not start? When I put fuel in the ...
  A: The electric fuel pump mis in the gas tank. Have someone remove the gas cap and listen at the gas ...
96 cadillac eldarado10/12/2008
  Q: My car failed our states emissions testing because of the following codes, P0741, P1153, P1406. I ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
1999 deville concours10/12/2008
  Q: Blower stoped working on 99 my wifes 1999 deville concourse the plug to the motor has a red wire ( ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
no heater fan10/12/2008
  Q: I just replaced my blower motor, the other one stalled out when the squrrel cage broke. Cant find ...
  A: NO, You cannot by-pass the computer without causing other problems. If you are mechanicaly inclined ...
cadillac repair10/12/2008
  Q: I have had multiple electronic messages come up on my display, battery no charge,traction disabled, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
illuminated entry circuit 93 seville 4.910/12/2008
  Q: i think i have located the illuminated entry module (nine wires connected to module, located lower ...
  A: If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, ...
Vacuum Routing10/12/2008
  Q: I have a 1989 Brougham with the olds .307, and am experiencing some vacuum related problems. Two ...
  A: Give me several pictures of the engine compartment with the air cleaner assembly ON and some with ...
97 deville not star10/10/2008
  Q: i have a 1997 cadillac deville and im having problems with getting it started. the engine will not ...
  A: What size engine do you have ?. picture locations of the components within the system that is ...
wiring diagram10/10/2008
  Q: I have lost ground that operates the a/c realay winding. Can operate compressor clutch from relay ...
  A: You can obtain a wiring diagram and have it e-mailed to you. If you are mechanicaly inclined or ...
1989 Cadillac DeVille10/10/2008
  Q: Our 1989 deville has a strange problem. When we first got it, everything worked fine. Then about ...
  A: That is the WORST idea I have heard in a long time. The fault is either the: Fan. Fan control ...
97 deville not star10/10/2008
  Q: i have a 1997 cadillac deville and im having problems with getting it started. the engine will not ...
  A: The FIRST thing you need to do is CLEAR (erase) ALL these codes from the computers via using the ...
89 Cadillac DeVille Service Engine Light10/10/2008
  Q: I plug into the ECM and came up with a UART 47 Link Problem Code, what does this code mean? Should ...
  A: You CAN'T plug a scanner directly into the ECM. You plugged it into the black plastic DIAGNOSTIC ...
Battery10/10/2008
  Q: I have a 92 De ville and the battery loses it charge over a period of time. I can sometimes hear a ...
  A: What you are most likely hearing is the blower motor for blowing air from the interior vents for ...
89 Cadillac DeVille Service Engine Light10/9/2008
  Q: I plug into the ECM and came up with a UART 47 Link Problem Code, what does this code mean? Should ...
  A: WHY did you replace the ECM in the first place ?. If you were told to replace BOTH the ECM and the ...
1997 deville concours northstar10/9/2008
  Q: low oil pressure warning light comes on at idle. otherwise the car runs fine. On acceleration the ...
  A: The oil pressure switch is next to the oil filter. If you have the 4.6L engine you have to pull the ...
93 Cadillac Deville Cruise Control10/9/2008
  Q: My 93 Cadillac Deville has the following cruise control problem. I can set the cruise control and ...
  A: E61 is why your cruise control does not work. If you are mechanicaly inclined or know of someone ...
1991 Cadillac Eldorado10/9/2008
  Q: My car steering wheel shakes and my front left tire makes a squeeking noise i also just got a recent ...
  A: The steering wheel shake could be a faulty HUB BEARING or CV-JOINT about to come apart or a faulty ...
1991 cadillac sedan deville10/9/2008
  Q: car surges and stalls only when engine is hot, just replaced fuel pressure regulator and still has ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
fuses10/9/2008
  Q: Ongoing problem with my 92 deville, 2 batteries in 2 months, mechanic checked alternator and starter ...
  A: NEVER EVER put a higher amp fuse then what is recommended or you can burn the whole dash wiring ...
Multiiple faults after rear brake pad replacement...10/9/2008
  Q: I have a 1996 Concours and I just finished replacing the rear brake pads..nothing too difficult. As ...
  A: Based on these codes are CURRENT and not HISTORY: IP1910 = Generator "L" terminal open circuit ...
1991 cadillac brghm stall problem10/8/2008
  Q: my vehicle lately has shut off/stalled after immediatly being put into gear, or only while driving ...
  A: This sounds like a GROUND WIRE problem of which there are several in different locations. If you ...
how to install a CADILLAC DEVILLE WINDOW MOTOR & REGULATOR RF 200010/8/2008
  Q: I need to find instructions how to install a CADILLAC DEVILLE WINDOW MOTOR & REGULATOR RF 2000
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
1990 Cadillac Deville 4.5 help10/8/2008
  Q: I have a 1990 Cadillac Devile with the 4.5, I get the codes E13, E74, E98, and F48 E98 says High ...
  A: The FIRST thing we need to do is CLEAR (erase) ALL the codes from the computers and see which ones ...
89 Cadillac DeVille/service engine light10/8/2008
  Q: Heater panel shows a "C" I have held the off and heat buttons and get no response still shows the ...
  A: You need to replace the BODY CONTROL MODULE (BCM) and swap the PROM CHIP from your old BCM to the ...
blowe stays on no heat10/8/2008
  Q: Last week I told you that my blower is always running. You suggested that it was either the blower ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
1996 Cadilac Deville10/8/2008
  Q: The pully located at the bottom of the accesory belt has movement in it. How do I stop it. I believe ...
  A: In the center of the crankshaft there is a bolt. See if you can tighten it. Remove the serpentine ...
Cadillac Issue10/8/2008
  Q: I own a 1997 cadillac seville STS. I purchsed a new Intersttae battery and already had to replce it ...
  A: You may have a fault in the RIM MODULE. simply unplugging it and plugging it back in may resolve ...
losing coolant10/7/2008
  Q: my 95 caddy sts, twice over the past month or so has been losing most or all of it's coolant as soon ...
  A: In the engine compartment there should be a plastic OVERFLOW jug that has a rubber hose that ...
93 Cadillac Deville Cruise Control10/7/2008
  Q: My 93 Cadillac Deville has the following cruise control problem. I can set the cruise control and ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
air ride compressor10/7/2008
  Q: i have a 95 deville the service air ride message comes on i want to change out the compressor and ...
  A: If you are mechanicaly inclined or know of someone who is, You will need picture locations of the ...
1991 deville climent control10/7/2008
  Q: my blower motor stays on after the car is off. i have to remove the large fuse under the hood to ...
  A: The fault is either the POWER MODULE for the blower motor, The BLOWER MOTOR or bothe. You will need ...
air damper not opening10/7/2008
  Q: I have a 91 fleetwood. The damper does not open to direct the air flow. Also the temp will not ...
  A: You have a faulty programmer motor. If you are mechanicaly inclined or know of someone who is, You ...
'99 Cadillac Seville SLS overheating10/7/2008
  Q: I'm joining the "Northstar overheating crowd". Replaced the thermostat, still overheating. But! I ...
  A: I would try and first replace the water pump which requires a special tool on the 4.6L engine. If ...
Heating Problem10/7/2008
  Q: I own a 1992 & 1993 Seville. I seem to be having heating problems with both. The 92 throws no heat ...
  A: The 92 is a fault in the BLOWER MOTOR and or the A/C-Heater PROGRAMMER. On the 93 it could also be ...
1997 Cadillac Deville Electrical System10/6/2008
  Q: The inside door lights flash on and off on my car. I recently had a new stereo system installed in ...
  A: Replace the ILLUMINATED ENTRY TIMER and see if this resolves your problem. If you are mechanicaly ...
Security system..10/6/2008
  Q: My 1994 deville will not let me start my car. It gives me the message Start up disabled due to theft ...
  A: Your fault is either with the: Ignition key, Ignition lock cylinder wires that go to the pass-key ...
1997 Cadillac Deville Electrical System10/6/2008
  Q: The inside door lights flash on and off on my car. I recently had a new stereo system installed in ...
  A: If you did NOT have this problem BEFORE the stereo was installed and now that you installed the ...
no heat from heater10/6/2008
  Q: I replaced the heater core and checked the black box under the glove box and it works but i still ...
  A: Is one of the 2 heater hoses going thru the firewall onto the heater core slighter HOTTER than the ...
car repair10/5/2008
  Q: I have a 1991 Cadillac Fleetwood brougham. It turns over, but will not start. I have 12lbs. of fuel ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
repai10/5/2008
  Q: the heat in my car does not blow at all. it gets warm when the defrost is on for a few seconds but ...
  A: You could have a faulty: Blower motor. Power module. programmer electrical wire fault. If you ...
Cadillac radiator removal and installation10/5/2008
  Q: how do I remove the radiator from '99 deville concourse
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
2000 ELDORADO10/5/2008
  Q: I HAVE A 2000 CADILLAC ELDORADO, SOMETHING IS ALWAYS BREAKING DOWN WHEN IT COMES TO WINDOW, ANTENNA ...
  A: Could be the relay. If you are mechanicaly inclined or know of someone who is, You will need simple ...
1986 cadillac deville10/5/2008
  Q: i have a 1986 cadillac deville and get error codes 52 and 26 could u please tell me what they mean ...
  A: 26 = shorted throttle switch within the idle speed control motor.have you at anytime tried to ...
RIM Module replacement10/4/2008
  Q: I have a 1996 Concours and the trunk release, fuel door release and garage door opener have all ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
1984 Eldorado climate control10/4/2008
  Q: My 1984 Eldo blower system seems to work but will not give heat. Is the door stuck on a/c and if so, ...
  A: You need to replace the A/C-Heater PROGRAMMER. If you are mechanicaly inclined or know of someone ...
cadillac sls 1996 overheating10/3/2008
  Q: Ive got a 96 cadillac sls with the v8 northstar in it. It gets hot within 5 mins of driving to all ...
  A: Put the thermostat in a pot and boil some water to a temperature of approx 230 degrees and watch to ...
2000 cadillac catera10/3/2008
  Q: I have a 2000 cadillac catera, and when I turn on the heat cold air blows out of driver's side and ...
  A: If your wanting to know about removing the fuel pump relay or fuse to try and delay a thief from ...
1994 Cadillac Deville10/3/2008
  Q: My Deville climate control does not provide heat when temp. is set to max of 90 degrees> A/C works ...
  A: OK, If you ONLY get air from the defrosters this would either be a fault with the vacuum line going ...
1982 Seville instrument panel10/3/2008
  Q: The instrument panel does not work. Nothing illuminates on the instrument panel. No speedometer, ...
  A: Check your fuses. Could be an open wire circuit at the instrument panel connections, Faulty ...
trouble codes for 1995 deville concours10/3/2008
  Q: i have a 1995 cadillac concours and i am throwing the following codes current:p057 history: A037 ...
  A: Temperature transmission sensor is shorted. The FIRST thing you want to do is CLEAR (erase) ALL ...
1994 Cadillac Deville10/3/2008
  Q: My Deville climate control does not provide heat when temp. is set to max of 90 degrees> A/C works ...
  A: Are you POSITIVE that the radiator and the plastic over flow jug are at the full mark ?. When ...
Theft System Error Car May Not Restart10/3/2008
  Q: This message apppears wen the ignition is turned on. The car will start, but turn off within 5 ...
  A: 1. Turn ignition key to the ON position. Do NOT start the engine. 2. Simultaneously push and hold ...
95 Cadillac Deville blower motor wont shut off10/3/2008
  Q: I have a 1995 Cadillac Deville and when I shut the ignition off the blower motor starts back up and ...
  A: The fault could be the: Blower motor, A/C programmer, Instrument panel cluster or an open wire. ...
1999 deville wont start!!10/2/2008
  Q: I have a 1999 Cadillac Deville that at first all of the dash panel and radio would flicker then they ...
  A: What we will need to do is jump the starter relay and see if we can get the car to crank over. Once ...
94 concours charging system10/2/2008
  Q: my dash reads battery no charge, Replaced alternator battery and cables, and still appears, anything ...
  A: Did you have the replacement alternator TESTED prior to installing it on the vehicle ?. You would ...
trans problem10/2/2008
  Q: I have a 1995 cadillac deville and recently had its transmission rebuilt,it worked ok for a week ...
  A: He is most likely indicating that the transmission selector switch is faulty. If you are ...
1990 caddy10/2/2008
  Q: 90 cadillac deville ac was fine and turn ac to 68 from 74 and now blows hot air when ac is needed ...
  A: Sounds like a fault in the AC/Heater programmer. If you are mechanicaly inclined or know of someone ...
1996 Deville Non start..10/2/2008
  Q: We have fuel pressure @ rail 40-50psi. Cranks good and will start using ether.. Codes found are Pcm ...
  A: What you have is a problem with the PASS-KEY theft system. What is happening is that the pass-key ...
1999 deville wont start!!10/2/2008
  Q: I have a 1999 Cadillac Deville that at first all of the dash panel and radio would flicker then they ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
95 eldorado skiping ,gas milage10/2/2008
  Q: changed pluges ,how do i know if i need wires.gas milage is getting bad ANSWER: Plug wires usually ...
  A: Take a windex spray plastic bottle and fill it with water and start the engine at night and spray ...
Air ride10/2/2008
  Q: I have a 2003 Cad. DTS with air ride suspension and when it get cold outside the air ride does not ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
reverse lights not working10/1/2008
  Q: When i put the car in reverse the lights do not come on. I have checked the fuses and found all were ...
  A: Fault could be in the trunk fuse panel fuse, The reverse lamp relay The RIM module. If you are ...
Theft System Error Car May Not Restart10/1/2008
  Q: This message apppears wen the ignition is turned on. The car will start, but turn off within 5 ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
96 cadillac deville ele...promblem10/1/2008
  Q: hey......ok i have a 96 cadillac deville i notice today that when i press the brake the triangle ...
  A: What kind of work of ANY KIND WHAT-SO-EVER has been performed on this vehicle prior to this problem ...
96 caddilac deville 4.610/1/2008
  Q: I just recently got this car. I picked it up and drove it 600 miles. My wife took it through a ...
  A: Did you replace the radiator ?. Is it possible that you left one of the BLACK colored GROUND wires ...
1993 cadillac sts10/1/2008
  Q: The car is hard to start after it sits for awhile. then I have to turn the key on and off 3 or 4 ...
  A: When you know the engine is going to be hard to start, Check for spark to one of the spark plugs by ...
1995 Caddy10/1/2008
  Q: I have a 95 Caddy DeVille the engine runs erratic, first fast then slow, if we unplug alternator it ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
1999 cadillac catera tc light & abs light9/30/2008
  Q: periodically both the abs & tc light come on and the speedometer does not work well. any answers
  A: Most likely a fault in the speed sensor on the transmission. If you are mechanicaly inclined or ...
1994 seville sls9/30/2008
  Q: I have a 1994 seville sls and i'm getting a service ride controll message can anyone tell me how to ...
  A: Replace the COOLANT SENSOR and check the spark plugs to see if the electrode ends are carbon fouled ...
1990 cadillac flleetwood high idle9/30/2008
  Q: when i put my car in gear it will accelerate gradually up to about 52 miles per hour without my foot ...
  A: A faulty IDLE SPEED CONTROL MOTOR. If you are mechanicaly inclined or know of someone who is, You ...
95 eldorado skiping ,gas milage9/30/2008
  Q: changed pluges ,how do i know if i need wires.gas milage is getting bad
  A: Plug wires usually last 100,000 miles and then should be changed. IS or HAS the CHECK ENGINE light ...
brake pads9/30/2008
  Q: are t he front dics brake pads hard to replace or can i do it its a 1999 cad seville
  A: Yes, You can do it yourself. If you are mechanicaly inclined or know of someone who is, You will ...
Stalling 1998 Deville9/30/2008
  Q: My 98 Deville (Northstar)has been stalling while entering off ramps. Car is always warm, 40 to 50 ...
  A: Have you noticed if it ddoes this stalling when the gas tank is at full or near empty ?. I would ...
1989 cadillac deville evaporator9/30/2008
  Q: when replacing evaporator, is it necessARY TO REMOVE THE DASH
  A: The evaporator is removed from inside the engine compartment. If you are mechanicaly inclined or ...
Air ride9/30/2008
  Q: I have a 2003 Cad. DTS with air ride suspension and when it get cold outside the air ride does not ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other ...
83 cadillac deville9/29/2008
  Q: I have a 83 deville. It starts and idles fine. I can rev the motor with the throttle, and revs ...
  A: First replace the oxygen sensor, Clean ALL the spark plugs if they are carbon fouled or replace ...
Stalling 1998 Deville9/29/2008
  Q: My 98 Deville (Northstar)has been stalling while entering off ramps. Car is always warm, 40 to 50 ...
  A: You most likely have the common problem of a carbon deposit residue buildup on the throttle plate ...
TO339/29/2008
  Q: Code TO33 showed up when checking computer on my 1994 cadillac concours,checked seed sensor ...
  A: Yes, There is a way to test it. If you are mechanicaly inclined or know of someone who is, You will ...
1994 seville sls9/27/2008
  Q: I have a 1994 seville sls and i'm getting a service ride controll message can anyone tell me how to ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle ?. Do you know how to ...
1992caddy devill9/27/2008
  Q: the blower motor stade on and know it dosent work no power to motor
  A: You have a fault in one of these items: blower motor. Power Module. programmer. In MOST cases ...
1989 cadillac eldorado9/27/2008
  Q: a/c sensor fault coming on in message center then a/c stops working. need help ANSWER: What code ...
  A: Turn ignition ON. With engine OFF. Simultaneously push and hold the OFF and WARMER buttons for 3 ...
1996 Deville TC0025 TC00279/27/2008
  Q: i am having a problem with my deville, i've read thru post and came up with nothing. My ABS and ...
  A: What you ned is the complete testing sequence to test the entire TCS system instead of just ...
Cadillic 6.0 engine repair9/26/2008
  Q: The car is a 1981 Eldorado with a 6.0 fuel injected V8/51,000 mi. The problem is when its cold it ...
  A: There IS a possibility that you are getting air pockets in the fuel line on the engine. Next time ...
1991 Cadillac Brougham9/26/2008
  Q: Am I missing a hidden fuse? Are all of these items connected/related somehow? Within the same time ...
  A: Check for more components that do NOT work check parking lights, tail lights, stop lights and ...
blower is on but no buttons are on9/26/2008
  Q: Ho. I have a 95 Eldorado just yesterday I heard funny sound. Its the blower making the noise but no ...
  A: The most common component that causes this fault is the blower motor POWER MODULE which needs to be ...
Cadillac PCM Code 0769/26/2008
  Q: I have a 1995 Seville STS with 45000 miles. The PCM recently started to throw code 076. The ...
  A: what you have is either a temperature sensitive wiring connection inside or outside of the ...
repair9/26/2008
  Q: i recently replaced the idle speed control in my 93 Seville, now my car is idled way to high . i put ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
96 eldorado oil pressure switch / sensor9/26/2008
  Q: I have a 96 Eldorado SC Touring and was getting an "low oil pressure stop engine" warning every once ...
  A: You can have low idle speed oil pressure and still have excellent performance. Are you POSITIVE ...
93 CADILAC9/26/2008
  Q: I have a 93 caddy sedan deville. It is hard to crank. When it finally cranks and you are going down ...
  A: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle ?. What work or ...
89 cadillac brougham9/26/2008
  Q: When I turn my defroster and heater on no air comes out of the defrost vents or regular vents air ...
  A: You have either a loss of vacuum or a fault in the A/C-Heater Programmer. If you are mechanicaly ...
Cadillac heater vacuum lines9/26/2008
  Q: replaced heater valve but heat still pours through vents. Checked vacuum line and no pressure to ...
  A: The vacuum to the water valve is controlled by the PROGRAMMER MODULE. I can help you fix this ...
96 eldorado oil pressure switch / sensor9/25/2008
  Q: I have a 96 Eldorado SC Touring and was getting an "low oil pressure stop engine" warning every once ...
  A: The switch cannot be calibrated. It is preset by the manufacturer and cannot be changed. Your ...
Cadillac heater vacuum lines9/25/2008
  Q: replaced heater valve but heat still pours through vents. Checked vacuum line and no pressure to ...
  A: When there IS vacuum at the heater valve vacuum hose the valve is CLOSED and no water gets to the ...
1994 Cad Fleet Brougham dashboard has gone out.9/25/2008
  Q: Recently my dashboard speedometer,fuel gauge,and odometer has went blanked.How do I fix this ...
  A: On the backup light fault is either the steering column mounted Park/Neutral position and backup ...
99 eldorado rear suspension9/24/2008
  Q: I just purchased a 99 eldorado. after returning from inspection the back end was fully extended ...
  A: You have a fault in the HEIGHT SENSOR. If you are mechanicaly inclined or know of someone who is, ...
1979 Cadillac Seville9/24/2008
  Q: On that 350 olds Fuel Injected engine, is there a possibility of better mileage. I'm getting 11 mpg ...
  A: Test the COOLANT SENSOR with an OHM METER when it is COLD and when it is HOT to make sure it is ...
77 cadillac sedan deville9/24/2008
  Q: recently the starter will not respond to the key, turn over or come on, we pulled the starter and ...
  A: On top of the steering column under the dash is the electrical portion of the ignition switch. ...
Cadi Leveler Control9/24/2008
  Q: I have a 1985 Eldorado Biarritz, that the auto level control has quit working. I changed the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
95 cadillac rwd stalls9/24/2008
  Q: but only on driving conditions,once i put it in park and accelerate it's normal, no check engine ...
  A: Most likely a sticky black residue buildup on the throttle plate and in the throttle body that needs ...
96 caddi stalling /no start condition9/23/2008
  Q: i have a 96 caddi sls 32v northstar. it will start normally most of the time then just stall as if i ...
  A: Here is how the fuel system works: when you turn ON the ignition key the computer sends via a relay ...
88 Deville9/23/2008
  Q: My dsaughter just bought an '88 Deville and are having an overheat problem. We have changed the ...
  A: E27 means that you have an OPEN THROTTLE SWITCH on the THROTTLE POSITIONING SENSOR and or someone ...
86 fleetwood power windows9/23/2008
  Q: I have a 1986 Cadillac Fleetwood, I love the old cadillacs. Anyways, I got off work yesterday and ...
  A: You most likely have a faulty and or broken wire at the drivers side window switch. If you are ...
cadillac spit and sputter9/23/2008
  Q: my 1981 cadillaac is spitin and sputtering itdont want to take off right but when i get to speed it ...
  A: IS or has the CHECK ENGINE light ever illuminated while driving the vehicle ?. Possibilities are: ...
air conditionor9/23/2008
  Q: where is my air conditionor and heater motor located on my 1999 cadillac seville sts? someone told ...
  A: Look down just to the side of where the steering column comes thru the firewall and yes it is a ...
92 Deville, stalls after 20 minutes, no spark at plug, e 53 code, does start after car cools down.9/23/2008
  Q: dist-cap, ign-module, coil, check battery connections, car has half a tank of fuel. It will run for ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
92 deVille stalls dead, than starts after cooled down, E53 code9/22/2008
  Q: my 92 DeVille Runs 1 to 4 miles than stalls. Have plenty of Gas, New Battery, new Rotor, Cap, ...
  A: Did you try CLEARING (erasing ) this code from the computer to see if it returns as a HISTORY or ...
Anti-lock brake light on after brake job.9/21/2008
  Q: What are codes PO17,PO39,PO71,AO11 and TO33 on 1994 cadillac concours
  A: PO17 = Front heated oxygen sensor fault. PO39 = $th clutch over drive fault in the transmission. ...
car shift indicater wont move from park9/21/2008
  Q: My car runs like a dream and I've never had a problem until the other day. I started my car just ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
blower motor 1993 Cadillac Deville9/20/2008
  Q: AC/Heater Blower Motor continues to blow when ignition is turned off and key removed. I removed ...
  A: Replace the BLOWER CONTROL MODULE & BLOWER MOTOR. If you are mechanicaly inclined or know of ...
1990 Cadillac Sedan Deville9/20/2008
  Q: my fuel pump is good, my plugs and wire are good, but the car still runs crappy, it sounds like a ...
  A: With the engine running, Remove one spark plug wire and see if the engine runs worse which it ...
Evaporative Emissions System for '86 Eldorado9/19/2008
  Q: Bill, You seem to be quite an expert on Cadillacs, and I have a few questions for you regarding the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
power door lock problem on 95 deville9/19/2008
  Q: I have a 95 deville 4.9 and when i hit the lock or unlock button on the remote the courtesy lights ...
  A: Fault could be: fuse C3 or C5 in the trunk fuse panel. Circuit breaker 3 in relay panel in engine ...
1994 Seville STS air not coming out of dash vents9/19/2008
  Q: I replaced the heater core. Ever since, air blows only from defrost. I know there is a vacuum leak, ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
battery drain?9/18/2008
  Q: in the last 3 years i have had to put 3 new interstate batteries in my car ( they are a warranty) ...
  A: What part of PA are you from ?. I was originally from the Scranton area. Shocks and struts depend ...
Turn signal switch problem9/18/2008
  Q: On my 99 Cadillac Sedan Deville with only 84k on it, the turn signal when pulled back no longer ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
1996 Cadillac sedan deville. (help me please)9/17/2008
  Q: I have a a problem with my 96' cadillac sedan deville. Im have trouble starting off my car ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
color coding wires to headlight switch9/17/2008
  Q: I am replacing my headlight switch but I need to know which wire is which and which wires they need ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
96 deville base 4.6 a/c evaporator removal9/17/2008
  Q: how do you remove this item? had new compressor installed and charged and was told that the ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
1996 Cadillac sedan deville. (help me please)9/17/2008
  Q: I have a a problem with my 96' cadillac sedan deville. Im have trouble starting off my car ...
  A: If you are mechanicaly inclined or know of someone who is, You will need simple electrical ...
feel shaking in sterring wheel9/16/2008
  Q: I have a 95 Eldorado ETC. The car has over 107,000 miles on it it rus like a dream. But recently im ...
  A: Hav