1990 Cadillac Seville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Cadillac Seville

1990 Cadillac Seville Problems

Vacuum Brake Release Switch Can Fail

The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.

Car 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.

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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.

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1990 Cadillac Seville Questions

My 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 ...

WHY WEN I CUT MY LIGHTS ON AND MY HEAT MY CAR STARTS JERKING AND MISSING BAD.. (1 answer)

PUT ALTERNATOR ON IT PLUGS AND WIRE

Starting disabled due to theft system (1 answer)

Car won't start and the above message shows on computer

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1990 Cadillac Seville Recalls

Recall 90E043004
THREADED INFLATOR COMPONENTS MAY HAVE BEEN DAMAGED DURING ASSEMBLY WHICH MAY ALLOW COMPONENTS TO SEPARATE WHEN INFLATOR RECEIVES A SIGNAL TO DEPLOY THE AIR BAG.
Recall 90V164000
TRANSAXLE SHIFT CONTROL CABLE MAY DISENGAGE FROM THE FROM THE FLOOR SHIFT CONTROL WITH LOSS OF GEAR INDICATOR REFERENCE AND SHIFT SELECTOR OPERATION.
Recall 90V028000
MISALIGNED REAR SEAT SAFETY BELT SHOULDER RETRACTOR ASSEMBLIES COULD CAUSE PENDULUM INTERFERENCE, CAUSING THE BELT TO REMAIN IN LOCKED POSITION OR TO TRAVEL FREELY WITHOUT LOCKING.

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1990 Cadillac Seville Reviews

the cars not bad the main problem is getting abs sensors for it and they go the suspension sys has hard to find noises but show no wear the water pump will go at 95000 mi the studs snap on the engine front cover when replacing pump
I bought this 90 Seville in August 09 with 49,000 miles for $900.00 1 owner always garaged. The problem was it just sat for the most part. It needed a lot of work that I was not aware of when buying her. Transmission slips do to sitting and lack of maintenance , rear shocks leak and rattle, Turn Signals spring had to be replaced, Cruise Control don't work, A/C leaks only cause when converted to...
i hate this car!!!!! i bought this car after the honda civic i had went caput. since i bought it in september of 2008 i have replaced the alternator, the seals and gaskets the harmonic balancer all the tires the timing belt the keys ( wich cost 70 dollars a piece because of a stupid chip) and now it wont start at all!! cadillacs suck and are pieces of crap i will never buy another one again.

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