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Hot Rods Technical

Discussion in 'The Hokey Ass Message Board' started by one37tudor, May 22, 2014.

  1. one37tudor
    Joined: Mar 3, 2001
    Posts: 146


    Can anyone tell me what the torque number is to crush a pinion sleeve on a 9" ford.
    I have the pre-load inch pound value but can't find anything about the crush sleeve?

  2. Grahamsc
    Joined: May 13, 2014
    Posts: 466

    from Colorado

    If its a crush sleeve system you slowly turn the nut to crush the sleeve,
    Once all free travel is taken up , turn the nut in very small increments testing each time the amount of force it takes to turn the pinion with your inch lb torque wrench
    You need a beam type and the best is one with a range of 1 to 25 inch lbs
  3. 300+ to get the sleeve to start crushing.

    Crush the sleeve until you reach your pre-load inch pound value.
  4. TagMan
    Joined: Dec 12, 2002
    Posts: 6,102


    I used a solid sleeve instead of the crush collar. Just had to add or subtract shims until the proper pre-load was met.
    falcongeorge likes this.

  5. you just creep up on it untill the preload is achieved go slow and do it right
  6. Boryca
    Joined: Jul 18, 2011
    Posts: 695

    from Detroit

    Creeping is an operative word. Those things are a pain to start crushing! That said, pinion drag is the way to adjust it.
  7. squirrel
    Joined: Sep 23, 2004
    Posts: 47,955


    If I use a crush sleeve, I'll put the whole pinion assembly in the press to get started with the crushing...but don't go too far, or you'll need another new crush sleeve.
  8. jazz1
    Joined: Apr 30, 2011
    Posts: 1,496


    I watched a mechanic do this as I did not want to muck it up,,it prompted me to get this small 1/4" torque wrench on eBay for cheap. Never seen one like it image.jpg

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