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Thread: Diff bearing turning torque tool (Special tool L-4436)

  1. #1
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    Diff bearing turning torque tool (Special tool L-4436)

    I have the preload all set for the differential bearings and now I want to verify that the turning torque is ok.
    What do you guys use for special tool L-4436? I was thinking of taking a old axle piece and welding a extension on to it. Is there a easier way? like running a long bold through the diff? I tried searching but no luck.

  2. #2

    Re: Diff bearing turning torque tool (Special tool L-4436)

    I can tell just by feel but then I do dozens per year.

    take a piece of pile like conduit, "U" notch the end to conact diff pin. weld and old socket or a nut on the other then use a beam type inch lb torque wrench.

  3. #3
    ...if you know what I mean... Turbo Mopar Contributor csxtra's Avatar
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    FYI, If you don't want to make your own, there are currently 6 of those tools on Ebay for under $30.
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    I forgot to mention this is a obx diff. No diff pin.

  5. #5
    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    http://millerspecialtools.spx.com/De...?id=1180&gid=4

    It reminds me of a muffler pipe expander in its theory of operation.
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    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    Quote Originally Posted by csxtra View Post
    FYI, If you don't want to make your own, there are currently 6 of those tools on Ebay for under $30.
    Heck, I may even pick one up for that price.

  7. #7
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    Any reason why I couldn't just use an modified axle?

  8. #8
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    I didn't want to wait for the tool to ship or buy one so here is what I came up with. Old jack handle with a socket welded on the end.





    The pin slides into the oil groove in the obx. It worked
    Last edited by glhs399; 10-05-2011 at 10:25 PM.

  9. #9
    turbo addict
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    Re: Diff bearing turning torque tool (Special tool L-4436)

    Quote Originally Posted by glhs399 View Post
    Any reason why I couldn't just use an modified axle?
    None really, I managed to satisfy myself it was "good enough" with a full axle, two nuts jammed against each other, 32mm socket etc... took a little messing around to be sure it was straight and not flopping around when I did it.... but in the end it worked.
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