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Thread: Defender rear Diff..... HELP!!

  1. 1st February 2009, 02:55 PM #1
    Only Rovers's Avatar
    Only Rovers
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    Defender rear Diff..... HELP!!

    Hi All,

    I have a 93 Defender and as i was replacing the screw on the filler hole today something weird happened... it screwed straight through and went PLOP into the diff...

    When I started undoing it I noted it was very loose and I was thinking while I was trying to do it Back up " why isnt this getting tighter?"

    Surely this isnt normal, it has to tighten up ... doesnt It??


    Any Ideas?... I know i will now have to do a recovery mission to get it back, but why did it happen?.. could it have been the wrong plug??

    Has anyone seen this before..??

    Any Ideas?

    Thanks in Advance
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  2. 1st February 2009, 03:03 PM #2
    mike 90 RR Guest
    Quote Originally Posted by Only Rovers View Post
    Hi All,

    I have a 93 Defender and as i was replacing the screw on the filler hole today something weird happened... it screwed straight through and went PLOP into the diff...
    Is the Bung made of plastic????
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  3. 1st February 2009, 03:05 PM #3
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    Only Rovers
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    No It is metal just like the the drain plug..
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  4. 1st February 2009, 03:13 PM #4
    mike 90 RR Guest
    Quote Originally Posted by Only Rovers View Post
    No It is metal just like the the drain plug..
    Don't drive it or move it at all

    Crap ... If it was plastic then you could have ... at your own risk ... drove it and crunched it up



    NOW you have to remove the diff ... unless it has a backing plate on the housing
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  5. 1st February 2009, 03:18 PM #5
    MacFamily's Avatar
    MacFamily
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    Have a read of this post Salisbury Diff with built in practical joke?
    Aaron & Jacinta
    1994 300Tdi Defender
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  6. 1st February 2009, 03:26 PM #6
    mike 90 RR Guest
    Quote Originally Posted by MacFamily View Post
    Have a read of this post Salisbury Diff with built in practical joke?
    Has a backing plate .... Easy job

    Try to save the gasket & reuse with "Holimer 3" gasket goo if it comes off OK

    For a emergency gasket ... try cutting up the "cardboard off a cereal box" and make a new gasket ... or just use "Form a gasket" cement on it's own
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  7. 1st February 2009, 04:09 PM #7
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    rovercare
    rovercare is offline OldBushie
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    Quote Originally Posted by mike 90 RR View Post
    Don't drive it or move it at all

    Crap ... If it was plastic then you could have ... at your own risk ... drove it and crunched it up


    Ummmm, NO! not even if it was plastic
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  8. 1st February 2009, 04:57 PM #8
    mike 90 RR Guest
    Quote Originally Posted by rovercare View Post
    Ummmm, NO! not even if it was plastic
    On reflection ... you are right ... I have organized the for you


    Mike

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  9. 1st February 2009, 05:34 PM #9
    wovenrovings
    wovenrovings is offline Master Supporter
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    My dad had the same thing happen not long ago on a stage 1 diff (salibury). Except he didn't know it had gone inside, it had just vanished, thought it fell out and put a new bung in.
    Several thousand km later he smell gear oil and had a look around and thought it was just a gearbox leak . Sometime later, all of a sudden the rear diff locked solid, skidding the rear wheels. Kind of exciting.
    On inspection a large hole was found where said plug had exited though rear cover let the oil escape. On disassembly it was found the pinion bearing had seized. Thankfully no damage to anything else.
    So get that plug out and put some thread tape on it.
    Last edited by wovenrovings; 1st February 2009 at 05:35 PM. Reason: spelling
    84' 120" ute - 3.9 isuzu.
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  10. 1st February 2009, 08:02 PM #10
    long stroke's Avatar
    long stroke
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    Yeah some plugs are tapered and otheres arn't, bad news is i don't think you can by the tapered ones anymore
    We just rap the plug in some plumbers tape, seems to work well

    CHEERS TIM.
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    Mine-
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    Mums- stock 92 200tdi d1.
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