Cadillac Seville STS Repair and Maintenance

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

Cadillac Seville STS Problems

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

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key

Problems with 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 key and ignition lock cylinder should be replaced to correct this condition.

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Cadillac Seville STS Reviews

I am an 18 year old kid and bought this as my first car. That being said, I don't expect it to last me that long cause when something goes wrong it is very expensive to fix it.when that day comes I'll have to part it out:(
Purchased in 1999, original owner, I only drive it occasionally and have around 71k miles on it now. Only 1 major issue with the vehicle - a nagging vibration at 65mph caused by either axle or something in the suspension up front. Original tires, and replacement tires as well as rims have been high speed road force balanced twice but vibration continues. Replacing the axle will be next, somet...
Love the smooth engine and the thrill of power, drives great. 142000 miles I do have an oil leak and 3rd light is half out tail lights get condensation in them. Center console cup holder is broken will not stay stored. Car still looks great and still has a great shine.

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