2001 Buick Park Avenue What would cause this noise

2001 BUICK PARK AVENUE
106,000 MILES • 6 CYL • FWD • AUTOMATIC
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SPETERSON001
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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.
May 7, 2008 at 12:54 PM
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DENNYP
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could be the power steering or transmission. Also, check for a small vacuum leak on the engine.
May 10, 2008 at 9:25 AM
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SPETERSON001
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[quote:08c2f55e49="dennyp"]could be the power steering or transmission. Also, check for a small vacuum leak on the engine.[/quote:08c2f55e49] 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.
May 12, 2008 at 7:38 AM
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