2000 Cadillac DeVille Problem Reports

Most Reported 2000 Cadillac DeVille Problem Reports

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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

The parking brake may not release automatically due to a failed vacuum switch or actuator. Our technicians tell us that if vacuum is supplied to the actuator when the transmission is in gear, the vacuum switch is functioning and replacing the actuator should correct this concern.

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.

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.

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

Water may be drawn into the secondary air injection (AIR) pump causing the pump to fail and the Check Engine Light to illuminate. Our technicians tell us there is a kit available from General Motors to relocate the air intake for the pump which should prevent future damage from water intrusion.

The Check Engine Light may illuminate due to an engine vacuum leak from the intake manifold area.

The high-pressure power steering lines are known to leak.

This powertrain control module (PCM) may develop a fault with its electrical ground location at the front of the engine block near the starter motor.

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

 

Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cleaned or replaced if necessary.

While the car in park my mph jumps up and down while I'm in park and car stalls at 35mph