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Thread: Any tricks to LOOSEN 32mm NUT in rear DIFF?

  1. 18th June 2010, 11:48 AM #1
    gmeddy's Avatar
    gmeddy
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    Any tricks to LOOSEN 32mm NUT in rear DIFF?

    i've read that it takes a lot.
    there seems to be a lot of flex due to it trying to drive the rear wheels backwards. i've got them chocked obviously... but still it flexes quite a way.
    are them square dints in the nut where it has been crimped on to make it lock?

    do i need to do anything special to get this thing moving or just keep trying to swing on it...?
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  2. 18th June 2010, 11:51 AM #2
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    a very strong breaker bar and alot of swearing cursing
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  3. 18th June 2010, 12:03 PM #3
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    i'm thinking of putting the bar against the chassis and driving forwards in FWD. A little like the old trick of turning the engine over briefly with a breaker on the flywheel nut. anyone done this to break loose the diff nut?
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  4. 18th June 2010, 12:10 PM #4
    Tombie Guest
    Quote Originally Posted by gmeddy View Post
    i'm thinking of putting the bar against the chassis and driving forwards in FWD. A little like the old trick of turning the engine over briefly with a breaker on the flywheel nut. anyone done this to break loose the diff nut?
    Yep works fine!
    Been there done that.
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  5. 18th June 2010, 01:27 PM #5
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    Quote Originally Posted by Tombie2 View Post
    Yep works fine!
    Been there done that.
    x2.
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  6. 18th June 2010, 02:20 PM #6
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    thanks, i hadn't read it anywhere.
    will post back with results.
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  7. 18th June 2010, 03:13 PM #7
    PhilipA
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    A rattle gun will do it in a few seconds.
    Regards Philip A
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  8. 18th June 2010, 04:00 PM #8
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    Mate i bought a small butane torch from mitre 10 for $10 and heated it for a minute or so and it cracked straight off.

    Shamo
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  9. 18th June 2010, 04:31 PM #9
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    If you get a pin punch the width of the square dints ( the nut is a staked nut and those dint`s fit into milled slots ). Grind the punch to a chisel point. You then un dint the nut.Then a three year old could undo it. Also you can now reuse the nut. Just remember to stake the nut again. These nuts are the pre-courser to the nylock nuts now used.
    Cheers Hall
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  10. 18th June 2010, 04:39 PM #10
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    One more item of useless info.I made a bar to tighten or undo the nut. It is a flat bar of about 10 x 40mm x 1000 or what ever length suits. On one end are welded two flat sections.One at the very end and one spaced so that you pick up the opposing holes on the diff flange.The Socket should fit between the flats. Just bolt bar to diff flange and your done.
    Cheers Hall
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