1994 Cadillac Seville SLS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Cadillac Seville SLS

1994 Cadillac Seville SLS
0 answers
1994 Cadillac Seville SLS
1 answer
1994 Cadillac Seville SLS
0 answers
1994 Cadillac Seville SLS
$1,152 to $1,506
1994 Cadillac Seville SLS
$395 to $681
1994 Cadillac Seville SLS
$56 to $71
1994 Cadillac Seville SLS
$301 to $417
1994 Cadillac Seville SLS
$150 to $596

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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.

See More Problems 18

get a code P0390

after I did oil change and ts not leaking oil

replaced front wheel bearings and sensors. problem still there. Problem did not start until i replaced my front drivers side tire and the next day my back rear tire blew and had to be replaced. Not sure what to do? Or if i disable it will that damage the car. Please guide me.

See More Questions 49

The '94 version of transverse NorthStar is an absolute racehorse. It is a thoroughbred. It will flat crawl up and get naked with you! I mean it is STOUT! I'm the original owner of my Seville SLS. 147,000 miles! Only 3 tuneups. I broke the engine mounts twice (I think from hard accelerating) . I think this is a very weak component in the engine compartment. Oil & filter every 3,000 miles The br...

Among the several electrical problems I have with this car (doors locking and not unlocking, the trunk popping up randomly) I have a new problem with the alarm. My car alarm will go off randomly, if I lock it and try to unlock it, it will not unlock, and when I use the actual door key the alarm goes off. Even when I do not lock the car, I will get out and shut the door, setting the alarm off, w...

The race-bred Northstar engine is awesome. It will spank a 5.0 Mustang and yet still gets 25 mpg hwy. Comfortable interior and ergonomic controls. The PCM wiring cracks easy and develops shorts/ground problems. Suspension is great...when it works properly. I recommend switching to the passive suspension components. Overall a very good car.

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