1998 Cadillac Seville SLS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Cadillac Seville SLS

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1998 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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1998 Cadillac Seville SLS Questions

98 sls abs & tc light problem . (1 answer)

ziptie im in australia u requested post code ? do you mean my residental address code. cadies here are rare , having problem finding mechanic able to scan system thanks for your reply . tony

the abs & tc lights on the dash have come on. & remain on. car still runs ok (1 answer)

is this likely to just be in the fuse relay system at the rear or front .

How do I remove the front mode actuator? (2 answers)

If I need to remove the climate control system, how is this done?

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