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strange hissing noise?

Discussion in 'New A3/S3 (8V Chassis)' started by outlaw7, Jan 27, 2014.

  1. outlaw7

    outlaw7 Member

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    Just put the car onto the drive and noticed a strange hissing noise. Turned the radio off and air con off, noise was still there. I got out and walked around the car and it seemed to come from around the passenger rear wheel area. So much so that I thought it may be the tyre. I switched the engine off and no more noise.
    Any ideas?
     
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  3. bobinder

    bobinder Active Member

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    A snake in the boot?
     
  4. outlaw7

    outlaw7 Member

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    nah checked that!
     
  5. TTLAW

    TTLAW Member

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    Fuel pump?
     
  6. outlaw7

    outlaw7 Member

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    Yeah could be fuel pump. Its strange that i have never heard it before. However it is back with Audi to have the paintwork sorted again, so have asked them to check it out.
     
  7. andywil13

    andywil13 Active Member

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    Could it be the fuel cap? Sometimes when I go to fill up I get a rush of air when I release the fuel cap. I have noticed on my last A3 you could sometimes hear it hissing after a journey. Easy to check, next time you hear it, release the fuel cap and see if it stops
     
  8. cuke2u

    cuke2u Well-Known Member

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    Which side of the car, you only say passenger rear wheel area...
     
  9. outlaw7

    outlaw7 Member

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    Turns out it needed a new fuel pump.
     

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