1998 Cadillac Seville STS Repair and Maintenance

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

1998 Cadillac Seville STS Problems

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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.

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key

Problems with anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The key and ignition lock cylinder should be replaced to correct this condition.

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1998 Cadillac Seville STS Reviews

Beautiful to behold. Always silky smooth to drive. Fifth generation Seville touts a K style Oldsmobile Aurora body, the structure much stiffer with front-drive drivetrain featuring the muscle Northstar V8 and 4T80-E four-speed automatic (which is probably its worst component) I miss the wreath crest, but otherwise, the lines are striking and the crimson red exterior and cream leather interio...
dude this car is forever is the best!!!
lol ya mine 98 is on its way got to replace whole front suspension cuz 20in rims and hittin them bums to hard

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