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Clunking Problem at about 75-78 Kms

Discussion in 'VT - VX Holden Commodore (1997 - 2002)' started by benim2000, Mar 7, 2007.

  1. benim2000

    benim2000 New Member

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    I'm not sure how long i've had this problem but at about 75-78 i think its the automatic shift sounds like it slipping and clunking.
    when i go up to 80ks the problem dissapears.
    any ideas?
     
  2. accentstencil

    accentstencil Well-Known Member

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    Could be a faulty lead or plug, they have that effect.
     
  3. phoneman_nz

    phoneman_nz New Member

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    I had that, is it when the car tries to change gears ? turned into a miss, I have changed fuel and air filters, plugs and leads checked out the coils and it still misses. grrr
     
  4. benim2000

    benim2000 New Member

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    yes i think its when its trying to change gears

    did it end up being expensive?
     
  5. phoneman_nz

    phoneman_nz New Member

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    Sheilded leads were arching to Manifold, removed heat sheild and that solved that problem, but now my problem has evolved, when the car is cold its fine, when it gets warm the miss is prevalent 1500-2500rpm is rubbish zone, if you dump the throttle then fart splutter blurt and then a backfire. not expensive yet, but will be if I can't find it. Getting frustrated. Not really sure what to do next.
     

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