1990 Cadillac Seville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Cadillac Seville
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1990 Cadillac Seville ProblemsCar Won't Start Because of Anti-Theft System That Uses Raised-Chip Key
Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.
1990 Cadillac Seville QuestionsMy car is missfiring and backfiring (2 answers)
I have a 1990 cadillac seville. It has been missfiring on me and it backfires and looses power sometimes. The service engine light comes on and goes off. I changed the distributor cap rotor button and plugs and it still does it. I turn the car off and start it again and it runs better. The other ...
PUT ALTERNATOR ON IT PLUGS AND WIRE
Car won't start and the above message shows on computer