Gearbox Housing - how did this happen?

Discussion in 'Mk4' started by tsutton, May 15, 2017.

  1. TSUTTON

    tsutton Forum Member

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    I'll let the photo tell you the story. :)

    So... any ideas how this happened?

    [​IMG]
     
    tsutton, May 15, 2017
    #1
  2. Savagesam

    Savagesam Moderator Staff Member Moderator

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    That doesn't look very happy!

    Possibly diff rivet gone?

    Martin will know!
     
    Savagesam, May 15, 2017
    #2
  3. SCALBAUM

    scalbaum New Member

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    Is this a close ratio gear box from the mid 80"s? This happened to mine at about 75,000 miles. The diff pinion shaft hammers it way through the big rivets holding the ring gear on. VW left off the snap rings on the diff pinion shaft as a cost shaving measure
    .
     
    scalbaum, May 15, 2017
    #3
  4. Toyotec

    Toyotec CGTI Committee - Happy helper at large Admin

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    Diff rivets.
     
    Toyotec, May 15, 2017
    #4
  5. MUSHY 16V

    MUSHY 16V Moderator Staff Member Moderator

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    yip diff pin worked it's way through the top hat on one of the two rivets that hold it
    The diff pin actually has a circlip grove ffs
     
    MUSHY 16V, May 15, 2017
    #5

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