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Problems for specific Cadillac DeVille years:

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Most reported 2002 Cadillac DeVille problems

 

Verified for the Cadillac DeVille

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.

34 Reports
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Verified for the Cadillac DeVille

Failure of the catalytic converter can result in illumination of the Check Engine Light.

27 Reports
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Verified for the Cadillac DeVille

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.

25 Reports
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Verified for the Cadillac DeVille

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

24 Reports
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Verified for the Cadillac DeVille

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.

24 Reports
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Verified for the Cadillac DeVille

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

23 Reports
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Verified for the Cadillac DeVille

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

17 Reports
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Verified for the Cadillac DeVille

One or both transmission output shaft seals may leak. Our technicians tell us that worn bushings inside the transmission could be the cause of the damaged seals. Our technicians tell us that if a bushing is worn, excess play will be noted where the drive axle attaches to the transmission.

17 Reports
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Verified for the Cadillac DeVille

The alternator may fail causing the battery to go dead, or an abnormal noise may develop. The dash warning light may or may not illuminate. A failed alternator will require replacement.

9 Reports
Me Too

Reported by puttytat and 7 others for the Cadillac DeVille

Just started last week. This warning has always lit up if I make a sudden stop, but then goes away. Last week it did not go away and now stays on all the time, even though the coolant level is fine.

8 Reports
Me Too

Verified for the Cadillac DeVille

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.

8 Reports
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