| Subject | Date Asked | Expert |
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| caddillac problems | 4/4/2007 | Tom Joy |
Q: 1981 Cadillac coupe deville acts like is about to cut-off when is cold outside but runs fine when is ...
A: Check your computer for CODES via: 1. Turn ON the ignition key. 2. Simultaneously push and hold ...
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| black smoke 1984 seville | 4/4/2007 | Tom Joy |
Q: My 84 seville is shooting black smoke out of the tail pipe and i am not quite sure why. The gas ...
A: Perform this easy test anyway. 1. . Ignition ON. 2. Simultaneously push and hold the OFF and ...
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| a/c recharge?? | 4/4/2007 | Tom Joy |
Q: I have a 93 deville and everytime I push "auto" on the climate control to charge the a/c, it will ...
A: If you have to add freon, Then you have a leak in the AC system that needs to be fixed FIRST. Just ...
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| black smoke 1984 seville | 4/4/2007 | Tom Joy |
Q: My 84 seville is shooting black smoke out of the tail pipe and i am not quite sure why. The gas ...
A: When the engine is off and the ignition is ON and the engine NOT running remove the air cleaner ...
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| emissions worning on dash,srevice light on | 4/3/2007 | Tom Joy |
Q: i have a 1996 cadillac devill,when i press the test button on my dash,the emissions light say ...
A: Perform this test procedure to see if you have any CODES stored in the computer. 1. Ignition switch ...
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| 1990 deville | 4/3/2007 | Tom Joy |
Q: I've been having a problem (off & on) with what seems like a miss in one of the cylinders. It was ...
A: Disconnecting the battery will NOT clear the code from the computer. To clear the "E" codes: 1. ...
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| 99 concours overheating. Head gasket? | 4/3/2007 | Tom Joy |
Q: I just bought a 1999 cadillac concours. When I took it for a test drive, it performed fine, no ...
A: Normal engine temp during moderate driving is 220-230. Under stress 240. You need to put the pellets ...
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| 1990 deville | 4/2/2007 | Tom Joy |
Q: I've been having a problem (off & on) with what seems like a miss in one of the cylinders. It was ...
A: When the engine warms up should the air diverter valve divert air from the intake to the exhaust ...
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| 84 sedan deville | 4/2/2007 | Tom Joy |
Q: i'm trying to get my caddy back on the road and i've been told it needs a ignition module because ...
A: Has the check engine ever illuminated on the dash ?. perform this test. 1. ignition ON. 2. ...
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| 1989 Cadillac DeVille | 4/2/2007 | Tom Joy |
Q: My 89 Deville just shut off while I was at a stop light the other night. t would not restart. The ...
A: The "vehicle is leveling" light keeps coming up most likely due to a leak in the air suspension ...
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| emission system & service engine light 96' cadillac deville | 4/2/2007 | Tom Joy |
Q: Sorry to bother you, I got your e-mail from the All Experts web for Cadillacs, I have a question, I ...
A: The FIRST thing you need to do is CLEAR the codes from the computer and then see which codes return. ...
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| engine cuts out | 4/2/2007 | Tom Joy |
Q: My 1989 De Ville cuts out after 1/2 hour of driving. I have checked voltages from TBI and vehicle ...
A: The first thing I would do is install an oil pressure gage to the engine and tape it to the outside ...
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| A/C Clutch and interior temp | 4/1/2007 | Tom Joy |
Q: I have two questions. The first being, When I am in the car and set the heat or a/c or defrost, ...
A: OK, Sounds like the blower motor is not operating and in most cases the faylt is the blower motor ...
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| 1992 Cadillac Sedan DeVille | 4/1/2007 | Tom Joy |
Q: Like others who have a Caddy this old, I am having multiple problems with mine. First, the ...
A: It is possible that you have a faulty digital instrumentation display and or a BCM computer problem. ...
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| A/C Clutch and interior temp | 3/31/2007 | Tom Joy |
Q: I have two questions. The first being, When I am in the car and set the heat or a/c or defrost, ...
A: On the AC compressor. If the ac compressor is turned OFF and the pulley does not spin all the time ...
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| Cadillac Catera | 3/29/2007 | Tom Joy |
Q: I have a 97 cadillac catera, it ran out of gas, so i put 8 gallons of gas into the car and it still ...
A: Could be the fuel pump relay and or the fuel pump. The relay is located in the engine compartment ...
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| 1992 Cadillac Coupe Deville | 3/29/2007 | Tom Joy |
Q: Sometimes it stalls just whenever and also it hesitates when trying to accelerate and lunges, it ...
A: E52 = battery voltage was LOW or not provided to the computer. E91 = PRNDL (neutral starter safety ...
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| 1999 Cadillac cooling system overheating | 3/28/2007 | Tom Joy |
Q: Tom! I have a Sedan Deville 4.6 Northstar. Recently I had the thermostat change due to high temp ...
A: There is NOTHING wrong with a temp variance of 222-230 as this is within specs. I would re-install ...
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| abs light | 3/28/2007 | Tom Joy |
Q: I changed the engine in my 1996 deville and now my abs light stays on ,I had it to the dealer they ...
A: Tracing out this kind of problem can take hours to find what the problem is. anything from a pinched ...
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| electrical bs | 3/23/2007 | Tom Joy |
Q: i have an 84' fleetwood brougham. recently I noticed a clicking noise coming from behind the glove ...
A: It is called an ELECTRONIC CLIMATE CONTROL PROGRAMMER and requires a step by step procedure to ...
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| 96 cadillac deville | 3/4/2007 | Tom Joy |
Q: pass key.what is that?car will not start.dash say's starter disable due to theft system.remove ...
A: It is part of your anti-theft system so that the correct ignition key MUST be inserted into the ...
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| 96 cadillac deville | 3/4/2007 | Tom Joy |
Q: car will not start.dash say's starter disable due to theft system.remove key,wait 3 minutes.what ...
A: Try a different key . If this does not resolve your problem you may have faulty contacts within the ...
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| cadilliac 1993 4.9 lt | 3/1/2007 | Tom Joy |
Q: how do i reseated the code on the car and the check engine light comes on but i had a compete turn ...
A: Replace the MANIFOLD AIR TEMP sensor (MAT) which is located right next to the alternator and has 2 ...
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| 99 Cadillac ETC | 3/1/2007 | Tom Joy |
Q: My left tail light works ... sometimes ... sometimes not. Cannot trace the problem. Bulb OK. ...
A: try another bulb as there may be an intermittent faulty connection inside the bulb housing where you ...
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| crank sensor 1997 cadillac de-elegance | 2/27/2007 | Tom Joy |
Q: where is the crank sensor located on a 1997 cadillac 4.6 northstar.enjine start runs good no ...
A: The crank sensor is located near the bottom of the oil dipstick tube on the engine. The camshaft ...
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| 77 cad coupe )programmer?) | 2/15/2007 | Tom Joy |
Q: ..If possible, I have 3 questions relative to your repsonse: 1) Removing the cover from my spare ...
A: If your only problem is no blower operation. There is a TURN ON sensor located near the front spark ...
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| 1991 Cadillac Seville | 2/1/2007 | Tom Joy |
Q: I have never had a problem with it starting until I took it to the Cadillac dealer for problems with ...
A: Could be a fault in the ENGINE COOLANT TEMPERATURE SENSOR and or the ENGINE METAL TEMPERATURE ...
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| 1985 transmision and injection | 1/30/2007 | Tom Joy |
Q: my transmission on my 85 deville doesn't shift right somtimes. When shifting from 1st to second ...
A: You will need to run some pressure tests on the transmission to find the cause. You will always ...
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| 1985 Codes | 1/25/2007 | Tom Joy |
Q: I have a 1985 Deville 4.1L and I have problems with my transmission, normally it will shift into 2nd ...
A: E30 is an IDLE SPEED CONTROL MOTOR problem. If your idle speed is very high or low then diagnostics ...
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| 1990 El Dorado Fuel Guage | 1/22/2007 | Tom Joy |
Q: I have 16 gallons in my gas tank but the digital display came up reading E this morning. I changed ...
A: Either the fuel meter in the fuel tank is not working or you blew the BCM (Body Control Module) by ...
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| 1994 cadillac concours | 1/20/2007 | Tom Joy |
Q: where is the heater module on this car? heater quit. I replaced the heater motor. still no motor.
A: It's called the Heater and air conditioning programmer (ACP) which is located by removing the glove ...
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| Cadillac Heat | 1/17/2007 | Tom Joy |
Q: The Threaded Arm MOVES. what do i do now?what if it doesnt move?I have a 1993 Deville 4.9. My heat ...
A: Set the system for full 90 degree heat and wait 3 minutes for the metal arm to stop moving and then ...
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| starts rough and shuts off | 1/17/2007 | Tom Joy |
Q: I have a 1992 Cadillac deville v8 4.9L. 147,000 miles on it. I have a code of 12 and 53. I ...
A: Both codes seem to lead to the pickup coil within the distributor as your problem. I can provide ...
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| Cadillac Heat | 1/16/2007 | Tom Joy |
Q: I have a 1993 Deville 4.9. My heat doesnt work i can turn it all the way up and it blows cold air ...
A: Check the heater hoses going to and from the heater core. One should be slightly warmer than the ...
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| 1988 Fleetwood D'Elegance Service Soon Light | 1/15/2007 | Tom Joy |
Q: One last question, how do I clear the codes from the system? Thanks! DaleThe text above is a ...
A: 1. ignition ON. Engine OFF. 2. Simultaneously push and hold the OFF and WARMER buttons on your ...
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| Brakes? Car dies | 1/10/2007 | Tom Joy |
Q: I took your advice and called a brake shop about my 1990 Cadillac Fleetwood 60 Special FWD. He said ...
A: E41 = No cam sensor signal. E55 = Throttle Position sensor misadjusted. F32 = BCM (computer) to ...
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| Service Ride Control | 1/10/2007 | Tom Joy |
Q: Hey hi, please help me out,I have a 1995 deville and on the information center came the Service ...
A: This system controls the firmness of the suspension at different speeds of the vehicle. Do you have ...
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| service emission system light comes on | 1/9/2007 | Tom Joy |
Q: i have a 96 sedan deville,122,000 ml. replace radiator, new tires, wheel alighnment. car runs great, ...
A: Do you have a CHECK ENGINE light and or any fault CODES in your computer syatem?. Perform this ...
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| '95 Cadillac Seville Fuel Shut Off | 1/8/2007 | Tom Joy |
Q: I have a '95 Seville with the 4.6 Northstar, and the other day after taking my daughter to work a ...
A: When you turn the ignition switch to the ON position ONLY you should have full fuel pressure at the ...
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| Strange problem for 92 Coupe DeVille | 1/8/2007 | Tom Joy |
Q: It sounds like it's coming from the left side.I'm about to buy a near perfect 1992 Coupe DeVille ...
A: If your referring to the blower fan for the air conditioning system that blows air into the ...
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