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Posted on Jan 12, 2009
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Engine whinning I have a 2006 envoy 34,000 miles most intown driving recently noticed a whinning sounds from the engine because when I excelerate it is very loud

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  • hof150 Jan 12, 2009

    no doesn't seem to be when turning just driving and it's constant

  • Curt Downs May 11, 2010

    The noise increases when u accelerate, does anything else seem to effect it, such as turning the steering wheel?

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  • Posted on Mar 07, 2009
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I had the same problem on my 2005 Envoy. Turned out to be the idler pulley bearing. It is just a pulley the belt rides on. The bearing in the pulley was what was making the high pitched whine. I replaced the bearing, and the noise went away.

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  • Posted on Feb 04, 2009
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Have you tried to just change the belt on the motor. The belt could be making all of the noise????? You can get a bar of soap and have the motor running. Let the bar of soap rub on the belt to see if the noise start going away. If so, you need a New belt.

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