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2001 Buick Park Avenue What would cause this noise

Tiny
SPETERSON001
  • MEMBER
  • 2001 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 106,000 MILES
I have noticed a high pitched noise beginning while accelerating which seems to begin at between 45-50 MPH and then disappears when I take my foot off the accelerator. I have had a mechanic look at it and they can't seem to pinpoint the cause. I have had tires replaced, brakes and rotors replaced, and shocks and levelers replaced. Any advise would be welcomed.
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Wednesday, May 7th, 2008 AT 12:54 PM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
Could be the power steering or transmission. Also, check for a small vacuum leak on the engine.
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Saturday, May 10th, 2008 AT 9:25 AM
Tiny
SPETERSON001
  • MEMBER
  • 2 POSTS
Thanks for the response. I have had the engine checked for a vaccum leak and that was negitive. I will have the power steering checked and the transmission. Thanks again.
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Monday, May 12th, 2008 AT 7:38 AM

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