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high pitch noise

This is a discussion on high pitch noise within the Firebird / WS6 forums, part of the Vehicle Specific category; I can hear a high pitch whine from the interior, sounds like a turbo. I thought it was the tach ...

  1. #1
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    high pitch noise

    I can hear a high pitch whine from the interior, sounds like a turbo.
    I thought it was the tach because the noise was tied to the rpm but its not the tach. Seems like the noise is only there while driving and the car is warmed up so its not the air pump

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    If you only hear it when the car is in motion, the possibilities are a bit more limited, but there are still several potential culprits. A4 or M6?

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    noise

    M6. sound goes up with rpm

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    Quote Originally Posted by johnfin View Post
    M6. sound goes up with rpm
    Do you have an aftermarket shifter? Good chance this is normal noise from the T56, and an aftermarket shifter conducts more of it into the interior than a stock shifter. Less noise when cool due to the trans fluid being thicker.

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    what area of the car is it originating from?

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    noise

    Left area of the dash, near tach. I have heard the shifter noise before, its not that.

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    Senior Member theorangeguy's Avatar
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    Quote Originally Posted by johnfin View Post
    Left area of the dash, near tach. I have heard the shifter noise before, its not that.
    Does it sound like it could be an electrical noise...? Not a whole lot under the drivers side of the dash that could cause a noise like you are describing except the steering or the back of the motor...could be an exhaust leak or a vacuum leak based on what you are saying it sounds like. Vacuum leaks will often make a high pitched noise like a turbo. I had one about 6 months ago that sounded like a supercharger when I got on the throttle...a guy at work even asked if it had a blower
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