High pitch whistle sound when let gas go
01-17-2018, 04:10 PM
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High pitch whistle sound when let gas go
hi guys,
mine is a 2007 A6 basic, no turbo.
sound comes from front somewhere under the hood, this only happens when the car is totally warmed up, first 5 miles driving only. the sound disappears after about 5 miles driving, almost unnoticeable sound when fully stopped. no difference if I put in neutral or in drive.
sounds like a bearing/pulley of some sort, I replaced idler pulley and belt tensioner, no luck.
please help.
mine is a 2007 A6 basic, no turbo.
sound comes from front somewhere under the hood, this only happens when the car is totally warmed up, first 5 miles driving only. the sound disappears after about 5 miles driving, almost unnoticeable sound when fully stopped. no difference if I put in neutral or in drive.
sounds like a bearing/pulley of some sort, I replaced idler pulley and belt tensioner, no luck.
please help.
Last edited by stephenxchen; 01-18-2018 at 05:30 AM.
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