Top 20 1992 Cadillac Seville Questions & Answers

bad transmission, no miles 1992 SEville reclic. DRIVE fails does reverse? ever see is shift right before?, or last decade?most are not running now. find it in a barn dead? like all bad automatic transmissions, IS IT. the endless posted here standard list of all on car tests to find the cause here we go 100time

1. all fuses good. FUSE d1 TRANNY FUSE BLOWN? 10-AMP
2. dip stick check, levels hot engine near center of stick hot, idle in park.
3. dip stick end smells burnt or atf looks like TAR.
4. shift linkage checked and not failing and adjusted by the book.
5. main tranny test, at PUMP test ports fail> , yes bad tranny
6. 4t60e box? GM box , and uses ECM to shift. ON SOME,.
7. bad speed sensors or 2 shift solenoids
8. OR ALL THE SEALS LEAK INSIDE AND ADD UP TO PUMP-OVERLOAD-SEE WHY STEP 6 FAILS, THIS IS IT OR THE PUMP IS BAD. AND SO BE THE TRANNY

Probably the heater and A/C programmer (APC) - should be on the passenger end of the HVAC box under the dash.

Theres not much u can do without the wiring diagrams, tools & knowhow on an intermittent electronic problem. I suggest u "bite the bullet" get it done properly. Theres a motherboard behind the dash that u have no way of checking on your own. Good luck

Check the Cadillac Forums website for details.

It is on the passenger side just off the glove box insert which you must remove.

Deo, brake light goes out when left signal is on, this is normally a sign of a bad bulb/socket/wire/ground or multi function/signal switch. You will have to have a good Tech. troubleshoot, diagnose and estimate repair if you can not. Check the attached links,instruction and guides, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." AGCO Automotive Repair Service Baton Rouge LA Detailed Auto Topics How To... Brake Light Diagnostics Know Your Parts Diagnose The Turn Signals Dont Work Or Dont Work Properly Auto Repair Help

People. We need to know what kind of vehicle it is. Has it got towing package, has anyone put a trailer connector on it, have any of the light housings been replaced. The more info you list the better of a chance at getting an answer you will have. I have counted 34 posts so far that did not have what kind of vehicle it is. All cars and trucks are not the same

bad ground

only a suggestion under the dash board

replacing the ecu on most vehicles will need coding if its qa chipped key definitely will need coding again so wont start only swing if its a open box ecu with same ecu no then it should start first time

Inside the oil pan. It is driven by the camshaft.

Could be many possible issues, but begin by testing fuel pressure. If that checks out, read any codes. If none, test TPS and check for vacuum leaks.

Anon, There can be codes thrown when converter is bad and a lot of time there will be codes/not always, why I do not know. To actually determine if converter is bad, there are test/diagnostic procedures. Check the attached links,instruction and guides, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." Troubleshooting bad catalytic converter and misfire DTC P0420 What causes catalytic converter to go bad Ricks Free Auto Repair Advice 1991 4 9L Poor Acceleration Vibration in gear Engine Miss NO CODES FYI EXPLAINING TROUBLE CODES PO420 PO421 PO430 PO431

Faulty blower motor.

IDLE SPEED CONTROL CIRCUIT PROBLEM, replace the idle speed control.

One way to know it is bad, is when you go to do an emissions test, and the computer at the shop can not communicate with it.

your blower motor is what sends you hot/cold air into your car.

unhook power control module, if stops replace module

you simply have an electrical relay problem or a stuck door in your vent not allowing the flow to be equal ..I have found all kinds of issues like a small toy or something that was somehow dropped into the vent area ..also once i opened some duct work and pulled out dead mice ..I know ewww ..good luck

OVERDRIVE SOLENOID IS IN THE TRANSMISSION PAN