Cadillac Seville SLS Repair and Maintenance

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

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Cadillac Seville SLS Problems

Improper 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.

Oil Leak From Lower Engine Area

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.

Stalling Due to Failed Crankshaft Position Sensor

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

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Cadillac Seville SLS Questions

why don't high beams don't work (1 answer)

I can flash high beams when I pull back on turn signal, but won't remain on when I push it.

Service charging system light and battery volts low lights are on what I'd it (2 answers)

I just replaced the battery and the alternator.. The new baterry went dead after about 20 min drive

Where is engine compressor location (1 answer)

Where termastat is compressor location in same area

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Cadillac Seville SLS Reviews

How to replace the spark plugs
i bought my sls two years ago. had security system fixed, ( was the ignition switch). it now has 221,933k miles on it and runs great.shocks all bad though and cost more to replace than blue book for car.what a shame.other down side to this car is the low beams. lenses yellowed, like the shocks,very expensive to replace
I have to say, that I owned an 85 Deville and it was one of the best cars I had ever own at the time (1996). But after have a few problem with the trans, then having it repaired, the car hadn't been right since. Years later, I searched for anothe Caddy and came across my "97" SLS. I could not be happier. I love the ride, the look and just pure enjoyment when I drive it, either in the city or o ...

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