My 2004 cadillac devile starts up but makes a loud sqeeling noise then shuts off . like somethings not turning for the car to stay running

Asked by Mar 17, 2017 at 10:57 PM about the 2004 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

Something not turning maybe pulley, waterpump, r timing chain.

3 Answers

76,335

The timing chain would not be causing a squeal. It would be on the front of the engine, the serpentine belt. It would have to be removed so you can check all the pulleys. Usually it is a idler pulley that is bad, and possible belt tensioner. Also the AC compressor bearing could be frozen up and needing replacing.

1 of 1 people found this helpful.
76,335

Oh, forgot to mention that it could be the water pump also since it is driven by the serpentine belt. You are going to need a new serpentine belt also.

1 of 1 people found this helpful.

ok thank you. I think ill start with the wayer pump

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