Cadillac Seville STS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Cadillac Seville STS
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Cadillac Seville STS ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
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.
The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.
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.
Cadillac Seville STS QuestionsHeater blows cold, actuators working and cabin filter clear. What next? (1 answer)
I have a 2003 Cadillac STS. A/C works fine however, heat blows cold. Using a simple temperature test I have verified coolant appears to be flowing through heater core, not 100% certain but trouble isn’t leading me that way. I have checked all the actuators I can find, one on left and right side o...
When it backfires misses and stumbles it will overheat. Today it did this but now doesn't want to start. What would be problem
1996 Cadillac sts. Just replaced the radiator, and thermostat. When we do hwy speed 100km or more engine says hot. There r no leaks any where., all the belts r working. No clue what could be wrong. Any ideas....?