1997 Cadillac Seville SLS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1997 Cadillac Seville SLS

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.

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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Car has been over heating...replaced water pump and hoses, also did a flush. Everything was fine for a month or so, then had metal hoses replace...car ran fine again after a long distance trip. Now, car is back to over heating with the oil light blinking on and off...could it be oil pump? Also sc...

4.6 liter northstar engîne

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Engine is made to fail in a major way between 80,000 to 100,000 miles and if G M can't do any better they need to fail. At least Toyota would have recalled this problem and fixed it but G M keeps sweeping their problems under the rug. I love the shape of the car but can't keep up with it breaking down. I will not own another G M again.

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 ...

I love the car. I stand firmly beside GM and Cadillac. The Northstar has a bad reputation but on the contrary it is a well put together engine,and will last 200,00+ if treated and driven the the Fast luxury cars they are.

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