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Replacing the rear pinion yoke shaft

Discussion in 'Early CJ5 and CJ6 Tech' started by culls, Feb 25, 2013.

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  1. Mar 8, 2013
    culls

    culls Member

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    Aug 1, 2012
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    Ok, one more question. If I'm going to be using the PVC pipe method for driving the oil seal into place, do I get a pipe for the diameter of the raised inner part of the seal, or the lower outer part of the seal? I was a little surprised to see that it has two areas in two different sizes.
     
    culls, Mar 8, 2013
    #21
  2. Mar 8, 2013
    Diggerjeep

    Diggerjeep Member

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    Oct 19, 2010
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    The seal driver should be the diameter of the outer part of the seal. If the PVC is a little too large, you can cut a slot down one side of the pvc, and use a large hose clamp to reduce the diameter.

    Did you remove the center nut off yet?
     
    Diggerjeep, Mar 8, 2013
    #22
  3. Mar 8, 2013
    culls

    culls Member

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    Not yet. I'm not going to be able to get it off until Tuesday at the earliest, probably Wednesday. I asked because there's a good plumbing supply store and I was thinking about getting some of the right diameter pipe here.
     
    culls, Mar 8, 2013
    #23
  4. Mar 9, 2013
    NExOBLIVISCARIS

    NExOBLIVISCARIS New Member

    San Dimas California
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    Aug 4, 2012
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    this is good info since i completely destroyed my diff, replacing it with a limited slip and the ring and pinion, so would the dana 44 have a crush sleeve... and would a crush sleeve from a newer dana 44 work?
     
    NExOBLIVISCARIS, Mar 9, 2013
    #24
  5. Mar 10, 2013
    culls

    culls Member

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    Far as I can tell, the crush sleeve thing doesn't apply to the D44 you find in early CJs. Must've been an AMC 20 thing.
     
    culls, Mar 10, 2013
    #25
  6. Mar 12, 2013
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
    12,529
    Correct. And some late model Dana 44's, 30's, and some Dana 60's.
    doesn't apply to any CJ based axle except the AMC 20


    Sent from my iPhone
     
    nickmil, Mar 12, 2013
    #26
  7. Mar 12, 2013
    NExOBLIVISCARIS

    NExOBLIVISCARIS New Member

    San Dimas California
    Joined:
    Aug 4, 2012
    Messages:
    31
    So Im not going to need a crush sleeve?
     
    NExOBLIVISCARIS, Mar 12, 2013
    #27
  8. Mar 12, 2013
    Mike C

    Mike C Member

    Austin, TX
    Joined:
    Feb 19, 2007
    Messages:
    743
    No, you are not. The crush sleeve let the OEM' speed up assembly of the diffs since they could just crush down to get correct pinion bearing pre-load without disassembly. You can replace a pinion seal on a crush sleeve equipped diff regardless of what internet pundits say.

    You really need to ger a FSM (Factory Service Manual) to get all of the ins and outs of diff R&R. If you don't have one, it more than makes itself valuable if you are going to work on your jeep yourself!

    Randy Lyman (of Randy's Ring & Pinion) and Jim Allen (well know off-road writer) teamed up to write a book that has most info for all diffs in it. It's also worth it's $ if you even do 2 different diffs. http://www.amazon.com/Differentials-Identification-Restoration-Jim-Allen/dp/1424326613
     
    Mike C, Mar 12, 2013
    #28
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