1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

knocking sound when going over potholes humps

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

  1. anilkumar
    Offline

    anilkumar Member

    Joined:
    Jul 17, 2010
    Messages:
    66
    Likes Received:
    0
    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
    #1
  2. colicabcadam
    Offline

    colicabcadam Guest

    bit silly, but are your tyre pressures correct?
    #2
  3. anilkumar
    Offline

    anilkumar Member

    Joined:
    Jul 17, 2010
    Messages:
    66
    Likes Received:
    0
    yes there correct could this knocking be caused by worn rear axle bushes
    #3
  4. Welly
    Offline

    Welly VX220 SC Driver :)

    Joined:
    Aug 5, 2009
    Messages:
    10,699
    Likes Received:
    5
    What sort of A3, T Sport or Quattro?
    #4
  5. ChrisSThree
    Offline

    ChrisSThree New Member

    Joined:
    Nov 16, 2009
    Messages:
    14
    Likes Received:
    0
    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?
    #5
  6. anilkumar
    Offline

    anilkumar Member

    Joined:
    Jul 17, 2010
    Messages:
    66
    Likes Received:
    0
    its a 2002 standard a3 tdi 130 SE arbs have been checked and seem ok
    #6
  7. mattyboy199
    Offline

    mattyboy199 Active Member

    Joined:
    Nov 13, 2005
    Messages:
    1,703
    Likes Received:
    0
    wish bone bushes
    #7
  8. Sandip
    Offline

    Sandip Active Member

    Joined:
    Nov 7, 2006
    Messages:
    2,380
    Likes Received:
    3
    Shocks
    #8
  9. anilkumar
    Offline

    anilkumar Member

    Joined:
    Jul 17, 2010
    Messages:
    66
    Likes Received:
    0
    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
    #9
  10. Lloyd149
    Offline

    Lloyd149 Member

    Joined:
    Dec 1, 2009
    Messages:
    102
    Likes Received:
    0
    Knocking sounds are usually bushes, previous car was a Ford and that is their most common problem.
    #10
  11. anilkumar
    Offline

    anilkumar Member

    Joined:
    Jul 17, 2010
    Messages:
    66
    Likes Received:
    0
    the problem was rear axle bushes
    #11

Share This Page