2005 Cadillac DeVille DTS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Cadillac DeVille DTS

2005 Cadillac DeVille DTS 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.

Steering Wheel Position Sensor May Fail

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

Coolant Leaks From Water Pump and Radiator

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.

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