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About autohelp
(Top Expert on this page)

Expertise
On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.

Experience
Held over 15 GM certifications prior to retirement in 1989.

Organizations
Prior to retirement held several ASE certifications, numerous Factory certifications.

   

You are here:  Experts > Shopping > Vintage Cars > Cadillac Repair

SubjectDate AskedExpert

Caddilac trouble code f857/19/2008autohelp
  Q: 1991 Sedan Deville, 4.9 port injection Car runs great until outside temp reaches 92 deg. or above. ...
  A: You found your problem which is this black residue which when hot turns to a jelly substance and ...
84 sedan deville fuel pump/tank7/19/2008autohelp
  Q: I recently started working on my 84 caddy that has sat for at least 5 years. I have tried to start ...
  A: if you look near the big black brake booster that is behind your brakes master cylinder, You will ...
crank sensor7/18/2008autohelp
  Q: where are these two crank sensors on a 2000 Cadillac sedan deville with northstar motor
  A: You will need picture locations of the components within the system that is causing you problems of ...
89 Cadillac fleetwood7/18/2008autohelp
  Q: I just bought a 89 Cadillac Fleetwood and it died out while putting on the a/c. While at a red light ...
  A: What did you adjust to increase the idle speed of which you should NEVER DO, As the idle speed is ...
cadillac problems7/18/2008autohelp
  Q: i just came out of the store and my 1998 cadillac will not would not start it says that the starting ...
  A: You either have a fault in your: ignition key. ignition lock cylinder wire. starter relay. ...
1990 cadillac security7/18/2008autohelp
  Q: I am Ernest. I have a 1990 cadillac sedan deville. I lost my original set of keys and did not have a ...
  A: When you replaced the ignition switch did you also have to connect a white wire under the dash ?. If ...
2002 Cadillac DTS7/18/2008autohelp
  Q: Going to lunch today I got in my car and sterted it up, I put my foot on the brake and it dies, I ...
  A: If you have absolutely nothing working including all interior and exterior lights you need to check ...
Brake7/18/2008autohelp
  Q: How do i Release a Parking Brake on a 1990 cadillac deville
  A: Just up under the dash above the emergency brake pedal there is a little black manual lever that you ...
91 brougham cuts off7/18/2008autohelp
  Q: i have a 91 fleetwood brougham 5.0l 307. i can drive the car for a while but when i slow down after ...
  A: There is a way to retrieve the codes from the computer but with this engine you CANNOT use the ...
1988 Cadillac Climate Control7/18/2008autohelp
  Q: My 1988 has an a/c that turns from on to off, auto to econ. I have buttons to push to get it back ...
  A: Put a set of AC gages on the system and see what your pressures are at and let me know. You did use ...
Starting dis abled retry in 3 minutes7/18/2008autohelp
  Q: I have a 99 Deville Delegance north star engine. When I turn key to start it says starting disabled ...
  A: This is a problem with the theft system called the PASS-KEY system. Your fault is either: The ...
1997 cadillac sts7/18/2008autohelp
  Q: what is this code 4 a the 97 msm-b 2120 / mmm-b2148 / mmm-b 2150 ANSWER: The FIRST thing you want ...
  A: There is no such code as a 4a. MSM codes are a problem with your power seats and mmm is with the if ...
air conditioning conversion to r-134a7/18/2008autohelp
  Q: Is this an expensive procedure or is it relatively simple and cheap? My caddy is a 1986 Coupe ...
  A: You CANNOT use R-134a freon in this R-12 system as the low pressure sensor is NOT calibrated to be ...
1994 DeVille Concourse crankshaft sensors7/17/2008autohelp
  Q: Where are the crankshaft sensors physically located. I keep getting a P083 diagnostic code fault ...
  A: You will need picture locations of the components within the system that is causing you problems of ...
1996 caddy sedan deville7/17/2008autohelp
  Q: my a/c was working just fine and then it started blowing hot air out it gets cold under the hood i ...
  A: Is the accumulator (receiver/drier) COLD to the touch ?. Is the AC compressor cycling as it should ...
electric window controls7/17/2008autohelp
  Q: We have a 2000 Cadillac Seville 4 door with V-8 Northstar. The electric window controls, driver ...
  A: check the drivers side console for faulty switches or loose wiring. You will need simple electrical ...
heater core location7/17/2008autohelp
  Q: Hey, I have a '95 deville. I was hoping you can tell me where exactly the heater core is located?
  A: You will need picture locations of the components within the system that is causing you problems of ...
2003 Deville7/17/2008autohelp
  Q: I understand I can retrieve codes with out special tools. How? ANSWER: I retired in 2000 and am ...
  A: This is for a DIGITAL display speedometer vs an old style analog (needle style) speedometer. 1. ...
1994 cadillac deville7/17/2008autohelp
  Q: Well I bought this caddy with 4.9 and my gas gauge is blinking E(empty) is there something that I ...
  A: Your fault could be either the gage, fuel sender or the PZM (computer). You will need simple ...
Seville SLS fuel gage went to E7/16/2008autohelp
  Q: I have a 1997 SLS that I bought for my daughter. and the fuel gage is now reading E all the time. ...
  A: Your fault could be either the gage, fuel sender or the PZM (computer). You will need simple ...
power steering pressure hose7/16/2008autohelp
  Q: How to remove and replace the power steering pressure hose on a 2002 cadillac seville sls.
  A: You will need picture locations of the components within the system that is causing you problems of ...
Northstar misfire in my Olds Aurora7/16/2008autohelp
  Q: I'm actually writing about my 1997 Oldsmobile Aurora, which has the Northstar engine. About a year ...
  A: Obviously the coil packs and or the ignition module is getting wet. I would purchase a spray can of ...
2001 Deville power steering hose leak7/16/2008autohelp
  Q: I have been noticing oily-like spots on garage floor - reddish color, light viscosity. Car began to ...
  A: You did not give me much of a picture to work with, But I found it. This IS the POWER STEERING ...
tail lights7/16/2008autohelp
  Q: replaced wire harness; taillight bulbs keep blowing, do not know where to trace tail lights back to ...
  A: You will need a wiring schematic. You will need simple electrical schematics, Test procedures and ...
my 2000 sts7/16/2008autohelp
  Q: I went to a store 2 get a CD player put in my sts and they worked on it for 3 hours and only one ...
  A: You cannot install aftermarket components into these electronic systems as the original radio works ...
93 cadillac sedan deville electrical7/15/2008autohelp
  Q: Electrical speedometer is on the fritz, as well as the electrical gas gauge. sometimes it says E, or ...
  A: Check all your BLACK ground wires that are attached to the inner fenders especially near the ...
Inside lights coming on7/15/2008autohelp
  Q: I have a 1999 Cadillac Deville. What is happening when the inside lights pop on for no reason and ...
  A: either you have a faulty wire in the drivers or passengers door key switch OR the illuminated entry ...
97 CADILLAC DEVILLE7/14/2008autohelp
  Q: WHAT ARE CODES C1255,B12552,B1983,AND PO113A? V8 279-4.6L
  A: C1255 = (EBTCM) Electronic Brake traction Control Module internal failure. B1983 = Low voltage to ...
93 fleetwood brougham won't start7/14/2008autohelp
  Q: cranks but won't start. key fault indicator on but has been for a long time. Plenty of gas in tank, ...
  A: Your PASS-KEY system is not functioning and requires some simple test procedures and pictures to ...
93 coupe Deville airconditioning7/14/2008autohelp
  Q: air comes and goes. How do I get into diagnostics, and get a code?
  A: Lets CLEAR (erase) ALL the codes and see which codes return as E or EE codes or F or FF codes. 1. ...
cadillac deville 1990 trouble code E55 E857/14/2008autohelp
  Q: my service engine soon light is on. i did the test and it showed the following error codes: E55 and ...
  A: E55 = Throttle position sensor misadjusted. E85 = Throttle body needs to be serviced. If you are ...
93 fleetwood brougham won't start7/14/2008autohelp
  Q: engine cranks but won't start. Acts like not getting fuel. 1/2 tank of gas. Is there a fuel system ...
  A: Whener you get a KEY FAULT message this tells you that there is a fault in the PASS-KEY theft system ...
engine noice7/14/2008autohelp
  Q: I have a 1995 sedan deville. It had a ping when I drive at very low speed i.e. take off. I recently ...
  A: IS or has the CHECK ENGINE light ever illuminated on the dash while driving the vehicle ?. Possible ...
4 way flasher7/14/2008autohelp
  Q: 93 caddy deville, need to replace the 4way flasher so turn signals will flash... where the heck is ...
  A: You will need picture locations of the components within the system that is causing you problems of ...
90 deville 4.5L7/14/2008Bill Cherniwchan
  Q: Ihave a 1990 sedan deville w/4.5L ,just did plugs ,wires rotor etc. and was on a 300 mile trip ,car ...
  A: What you need to do is determine if the problem is with the power or the ground side of the ...
93 etc overheating7/13/2008autohelp
  Q: I have a 93 etc w/ the northstar 4.3 v8 just replaced the water pump and thermostat along w/ blowing ...
  A: If the radiator fan is not working it may be due to a relay or module. as to the interior fan the ...
instrument panel digital dash cluster7/13/2008autohelp
  Q: I have a 1991 Cadillac Eldorado Touring coupe. My digital cluster will not come on at all. When ...
  A: OK, Did you check for battery voltage on both sides of the CPS fuse #5 (15) amp in the fuse panel on ...
seville SLS charging probmlem and current draw.....7/13/2008autohelp
  Q: Bill I was asking about a 1998 Cadillac Seville sls that has a current draw, after much head ...
  A: FIRST you need to charge the battery to full capacity BEFORE we can perform any tests. There are ...
Digital Dash Problems7/13/2008autohelp
  Q: I would like to know what's wrong w/my car, I was driving it yesterday and my dash, all electrical ...
  A: IS or HAS the CHECK ENGINE light ever illuminated on the dash panel ?. Do you have ANY lights that ...
CCR system7/13/2008autohelp
  Q: I have a 1991 Seville that in the driver information center fault flashes Check CCR system, what ...
  A: CCR + Command Control Ride. Which is your suspension system. IS or HAS thje CHECK ENGINE light ever ...

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