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12 bolt ?

Discussion in 'The Garage' started by hpuall, May 24, 2004.

  1. hpuall

    hpuall Newbie

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    rebuilding the 12 bolt rear end on my 78 k5 & got the pattern right and the backlash all set but can't get the dag um crush sleeve to crush impact won't bugde it and neither will a 2 foot cheater bar. looking for any kidda tips or advice. Preciate it.
     
  2. MTBLAZER89

    MTBLAZER89 3/4 ton status Premium Member GMOTM Winner

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    You are gonna have to redo all of the pattern and backlash when you get it crushed because it will change the pinion depth. I used a 6 ft cheater bar to crush the sleeve on my 14B. Get a little more leverage on there it'll go /forums/images/graemlins/thumb.gif
     
  3. pvfjr

    pvfjr 1/2 ton status

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    I always like to use the handle off my Hi-Lift when things get really bad. Pretty good length of cheater pipe that is almost always available.
     
  4. gzzgfw

    gzzgfw 1/2 ton status

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    [ QUOTE ]
    You are gonna have to redo all of the pattern and backlash when you get it crushed because it will change the pinion depth.

    [/ QUOTE ]

    No it won't!, If he had proper preload when he set it up the only thing that would change pinion depth is amount of shim under the head.
     

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