1996 Cadillac DeVille Problem Reports

Most Reported 1996 Cadillac DeVille Problem Reports

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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 air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.

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

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.

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.

An intake manifold vacuum leak can develop from a variety of sources, often causing illumination of the Check Engine Light with codes P0171 & P0174 stored. Thorough diagnoses will be necessary to pinpoint the cause in order to make the correct repairs. A "smoke" machine is often used to isolate the cause of difficult to find vacuum leaks.

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.