1999 Cadillac Seville STS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Cadillac Seville STS
- Blower makes loud noise and vibration at higher speeds (3 and up). Probably the fan blade but could be the motor. What should it cost to repair?
- I'm having trouble with the heater/AC fan (front unit)
- Spliced wires for Window,door ,are they located under driver seat orfloormat
- what is the voltage at the fuel pump
1999 Cadillac Seville STS Problems
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.
The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.
1999 Cadillac Seville STS Questions
At speed of 2 and 1, it does blow out air, but does not appear to blow harder when you move it to 3 and above. It only vibrates more on the floor and starts to get loud.
Both, the Battery and alternator have been tested professionally and both have been proven "good". What are we missing? Ideas as to what we should check next would be so helpful.
1999 Cadillac Seville STS Reviews
after replacing an alternator the remote has stopped working; the car is unable to lock up and the gas tank is unable to open
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...
my car has 251,000 miles and is still going strong--put used struts & windshield in it in the last 3 years--5000 rpm at least once a week for a couple minutes to keep that northstar from useing oil works--use a quart every 3k---don't drive a northstar like a grandma and it will treat you right!---love this car---