95 deville 4.9L has a whining sound but its not the power steering unit

Asked by Jun 30, 2017 at 09:54 PM about the 1995 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

car was whining, changed power steering pump, no air bubbles. removed about half a cup of old fluid before adding new. its still whinning

3 Answers

9,815

look for a vacuum leak - that seems to be what you are describing

vacuum leak where the resevoir and part meet? Can i hear it if I was to put a stethiscope on it?

9,815

The leak may be there, but hard to say. Your car has quite a few vacuum lines and sometimes it is a challenge to find the leaks. But again - that is what causes the whistling that you are hearing.

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