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i need help....

Discussion in 'GM Powertrain' started by 02silverad0, Jun 12, 2009.

  1. 02silverad0

    02silverad0 Rockstar

    i broke a tap off in one of my motor mount bolt holes in my block any suggestions on how to remove it??
  2. Joeairforce

    Joeairforce Epic Member 5+ Years 100 Posts

    Take it to a machine shop, let them do it the right way........... (learned the hard way on other parts)
  3. mrfixdit

    mrfixdit Rockstar 100 Posts

    broken tap

    I hope I can describe this so it can be understood but here goes. The tap has threads for cutting and valleys for clearing away the cuttings so those "valleys" should provide a means for getting some grip. I once had success by heating a small hex key and bending it into a U shape that fit nicely into the "valley" gaps and then used an adjustable wrench to wiggle it back and forth til it worked free. Good luck.
  4. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    Good post! blowing a sharp blast of air also helps remove any chips. Once it starts to move keep turning it back and fourth. Work it this way until it's out.
  5. 02silverad0

    02silverad0 Rockstar

    sweet thanks for the info
  6. daddytech

    daddytech Epic Member 5+ Years 500 Posts

    a good screw extractor set should be able to get it out for you too . I have a pro set, and i also was bought a set of those "grabit's" the pro set you have to drill the hole first through the center of the bolt then twist your extractor bit into the hole. let it grab and then back it out slowly. The grabit works about half of the time as long as the screw isn't too small.
  7. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    The problem is you cannot drill a hole in a hardened tap. :grrrrrr:
  8. bry2500

    bry2500 Epic Member 5+ Years 1000 Posts

  9. 02silverad0

    02silverad0 Rockstar

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