Differential Unit Replacement
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Thread: Differential Unit Replacement

  1. #1
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    Default Differential Unit Replacement

    I would just like to say a big hello to all menbers staff as I have just recently joined Two-Sixties and therefore new to this forum.

    I have a differential unit that whines and clunks and decided it was now time to replace the irritable whaling thing. I have acquired a new diff and need to know the quickest/easiest way of wiggling the unit away from the sub-frame without having to remove the whole subframe etc as explained in MGR CD workshop service proseedure - ref Rear Axle & Final Drive - if any you have this proceedure to hand, as you know these proceedures can be a little ambiguous.

    I believe that from recent forums one or two of you have attempted to replace the unit or had it replaced for you and if you can offer some sound advise on this subject it would be much appreciated. Although I may not attempt this proceedure myself, I would like take your advise along to a garage friend of mine that would be more qualified with the right tools to do the job.

    Thanks,

    Phil.

  2. #2
    Administrator Tim's Avatar
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    Guy has been the most recent and had to do his a few times as the first replacement was a duff unit. He'll be along to help I'm sure.

    Welcome along Phil
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  3. #3
    #242 V8 on tour colintf's Avatar
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    Hi Phil and welcome.

    Good luck with the Diff

    colintf
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    Ex-Admin, RIP Herman's Avatar
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    Here's the link to Guy's post, but as the pictures show, the sub has to be dropped.

    https://www.two-sixties.co.uk/mgoc26...highlight=diff
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  5. #5
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    Ok, thanks for that guys, a start at least.
    I notice from the pics in the posted link https://www.two-sixties.co.uk/mgoc26...highlight=diff that Guy virtually carried out a rear-end overhaul and obviously the diff was the main feature, so hopefully my actual diff proceedure wont be as comprehensive as Guy's. Look forward to Guy's imput when he arrives on the forum.

    Phil.

  6. #6
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    I replaced the diff without removing subframe.Have to remove dampers etc and a bit of a wiggle but it will come out.bear in mind it weighs nearly 30 kilos

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    Quote Originally Posted by SVR View Post
    I replaced the diff without removing subframe.Have to remove dampers etc and a bit of a wiggle but it will come out.bear in mind it weighs nearly 30 kilos
    How long did this take you, did you take it on yourself or with assistance?? I am going to have a couple of mechanics on this one, so they can break their backs at my expense. And when you say remove dampers are you refering to the ajoining from & rear support plates to where they are attached to the diff & s/frame. Thanks.

  8. #8
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    Short yellow dampers on diff assembly and me and my mate done the job within 3 hours.Did have the use of a lift and a gearbox/diff hyd: support in the lifting and lowering.

  9. #9
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    Quote Originally Posted by SVR View Post
    Short yellow dampers on diff assembly and me and my mate done the job within 3 hours.Did have the use of a lift and a gearbox/diff hyd: support in the lifting and lowering.
    Appreciated, thanks. At least you saved the cost of parting with approx £200 through a garage - well done anyway.

    Phil.

  10. #10
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    The diff will come out without taking the sub frame out. As has been said before the unit weighs a lot and care has to be taken when removing it.The drive shaft bolts are put in with locktight and can be problem to remove without damaging the bolt heads. I would not attempt it unless you have a ramp or pit. The diff requires to be rotated to get it out and because of its weight it takes a least two people to remove it.

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