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A4 B7 with a rattle related to the air con

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by ming, Jul 23, 2010.

  1. ming

    ming New Member

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    Tried a search on this issue but no joy.

    Just got a 55 reg A4 B7 2.0 TDI S-line saloon and need a bit of info.

    When the air con is switched OFF there is a random/irregular mechanical rattle from the engine bay. However, when the air con/climate control is ON there is no rattle.

    Any suggestions as to the cause?
     
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  3. jwhat

    jwhat Member
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    If you do a search I'm pretty sure this has been covered before.
     
  4. TORQUE HEAD

    TORQUE HEAD Member

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    RANDOM MECHANICAL RATTLE,

    I HAVE 54 REG A4 B7 2.0TDI S-LINE,65000ML

    I HAVE THE EXACT SAME PROBLEM AS DEISCRIBED BY MING ABOVE,RATTLE GOES WHEN THE AIRCON/CLIMATE CONTROL IS SWITCHED ON, AIRCON WORK'S FINE, COULD IT BE THE MAGNETIC CLUTCH IN THE AIRCON OR A TENSIONER ON THE PULLY RIB BELT,
     
  5. williams

    williams Member

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    Got same problem, Is there a way to change drive belt to another so not using pump until I can get new one, as audi want £900 fitted OUCH!!!!!!!!
     

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