2001 Cadillac DeVille DTS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Cadillac DeVille DTS
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2001 Cadillac DeVille DTS ProblemsHeating 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.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.
2001 Cadillac DeVille DTS QuestionsIf oil is in the intake manifold does that mean the head gasket blown, (1 answer)
It had been working on and off, sometimes the seat would move, other times it wouldn't. Seat moves forward and backwards and shoulder strap adjuster moves up and down. Someone told me to cycle it through a full recline a couple of times to "straighten out the threads". Now it won...