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knocking sound when going over potholes humps

Discussion in 'A3/S3 Forum (8L Chassis)' started by anilkumar, Aug 21, 2010.

  1. anilkumar

    anilkumar Member

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    MY a3 has strated making a knoking sound when going over humps and pot holes there is a slight noise coming from the front but somtimes get a very loud knock from the back i have changed the rear top mounts the arbs look ok has any1 else had this problem
     
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  3. colicabcadam

    colicabcadam Guest

    bit silly, but are your tyre pressures correct?
     
  4. anilkumar

    anilkumar Member

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    yes there correct could this knocking be caused by worn rear axle bushes
     
  5. Welly

    Welly VX220 SC Driver :)

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    What sort of A3, T Sport or Quattro?
     
  6. ChrisSThree

    ChrisSThree New Member

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    Check that the front ARB plastic collars (assuming it's an original ARB) haven't fallen apart. All your exhaust mounts are ok as well?
     
  7. anilkumar

    anilkumar Member

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    its a 2002 standard a3 tdi 130 SE arbs have been checked and seem ok
     
  8. mattyboy199

    mattyboy199 Active Member

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    wish bone bushes
     
  9. Sandip

    Sandip Well-Known Member

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    Shocks
     
  10. anilkumar

    anilkumar Member

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    ok thanks il have to have a look i have asked a VAG speailist and he thinks rear axle bushes but will ask him to check the other stuff
     
  11. Lloyd149

    Lloyd149 Member

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    Knocking sounds are usually bushes, previous car was a Ford and that is their most common problem.
     
  12. anilkumar

    anilkumar Member

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    the problem was rear axle bushes
     

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