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crack in 700r4 housing

Discussion in 'The Garage' started by scrappyk5, Jun 9, 2003.

  1. scrappyk5

    scrappyk5 1/2 ton status

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    i have a crack in my 700r4 bellhousing
    that starts at the middle bolt hole for the torque converter cover plate and goes up about 4". i need to try and repair
    without pulling the tranny. it would be too hard to try and
    weld , so i was thinking i could drill a small hole at the
    end of the crack to stop from cracking anymore , then use a small strip of aluminum with some jb weld and cover the
    place already cracked . what do you guys think ?
    will this work for now ?
    or do i need to pull and weld?
    also , what kind of weld wire would i need to
    weld it?
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Engine puts more stress on that bellhousing than JB weld could ever hope to hold.

    If the crack was from hitting a rock or something, then *maybe* something short of welding will work, but if its from stress, the JB weld won't work. Had a friend try that on a cracked extension housing and it didn't last 5 minutes.
     
  3. DesertDueler

    DesertDueler 1/2 ton status

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    Try using some cold weld. I know carquest carries it. It is stronger than jb weld.

    Dan
     
  4. scrappyk5

    scrappyk5 1/2 ton status

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    i will try the cold weld.
    i should still drill a hole at the end of
    crack right? i was told that will also help stop the crack from extending.
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    [ QUOTE ]
    i should still drill a hole at the end of
    crack right? i was told that will also help stop the crack from extending.

    [/ QUOTE ]

    All I've *ever* heard for crack repairs says that a drilled hole should be used to help prevent cracks from spreading.
     
  6. DesertDueler

    DesertDueler 1/2 ton status

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    Check where the crack is and make sure it isnt into the front pump area. If you are fine then drill a small hole just bigger than the crack to prevent it from spreading.

    Dan /forums/images/graemlins/k5.gif
     
  7. scrappyk5

    scrappyk5 1/2 ton status

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    the crack is only a couple inches extending from the
    middle bolt hole for the inspection cover. the main thing
    i wanted to do was to stop the crack, then just put some stuff to fill in the crack area and maybe give it some
    hold. thanks guys.
     

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