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1991 Cadillac Seville STS Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1991 Cadillac Seville STS

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1991 Cadillac Seville STS 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.

Car Won't Start and Security Light is On

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.

Trunk Lid Won't Close Due to Trunk Pull Down Switch Failure

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

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1991 Cadillac Seville STS Questions

Where is the ABS computer module located for an Allante? (1 answer)

The car is actually a 1991 Cadillac Allante, where is the Controller for the ABS system located and how hard is it to replace?

Losing Oil Problem (1 answer)

I have a 91 Cadillac Seville. This has been a wonderful car and now all of a sudden I am losing oil on a daily basis. I am sure I am now probably out again and now the red warning light came on. What is happening and how much will it cost to repair?

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1991 Cadillac Seville STS Reviews

Rated
based on 1 customer reviews
Had some tranny issues and my back doors no longer open but overall a great running car and I love it!!

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