1999 Cadillac Seville SLS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Cadillac Seville SLS
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1999 Cadillac Seville SLS ProblemsHeating 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.
The engine may develop an oil leak from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.
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.
1999 Cadillac Seville SLS QuestionsWhy do my heated seats turn off when traction control turns on? (1 answer)
I can usually turn them on for about 15 minutes and then they kick off and won't turn on again. And my trac on/off button doesn't do anything to help, or anything at all really.
whenever i drive my car long enought it stalls espically coming off the expressway it starts right back up and sometimes dies immidately erased codes and the only one that came back was p1599 have any ideal what the problem is mechanic is acting like a idiot
I have a 99 cadillac seville that has been having some serious issues. I recently had a new/used engine dropped in the car, a majority of the parts from the old engine were put on the current motor. I had severe misfires (PCM P0300). I changed the spark plugs, replaced all the coils, replaced the...