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noise from brakes

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by gaz238, Jan 27, 2007.

  1. gaz238
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    gaz238 New Member

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    every time i depress the brake pedal and also release the brake pedal i get a mechanical type noise which last only about 5 seconds. anyone any ideas ??
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  2. PlebbyChris
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    PlebbyChris Complete Pleb

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    Can you narrow down where the noise is coming from? Is it from the wheel or the engine bay?
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  3. Rev-head
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    Rev-head Active Member

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    is this at high speed or any speed
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  4. gaz238
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    gaz238 New Member

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    sorry for not replying earlier - problem now fixed. it was the electric vaccum pump (brake booster) making the noise due to a split in the main air duct where it comes across the engine by the injectors
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