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Thread: Acceptable slack in auto transmission output shaft

  1. 28th May 2016, 10:31 AM #1
    acgmarketing
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    Acceptable slack in auto transmission output shaft

    I know that end float is more relevant but how much lateral slack is acceptable in the output shaft of the ZF4HP22 box?

    It does get centred by the input shaft of the transfer case I know but is there some reasonable acceptable movement of the auto box output shaft itself?
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  2. 28th May 2016, 05:56 PM #2
    schuy1 Guest
    As far as I can find there should not be any felt movement in the auto output shaft. Only what can be seen with a dial gauge in the order of .000's
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  3. 29th May 2016, 03:41 PM #3
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    stevo
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    I will check on my spare donor trans seem to remember there was some due to the bearing set up and the way everything sits in the clutch pack housing.
    disco seriesII mods so far:-bullbar,hyd winch,
    detriot locker,lsd front,C.D.L kit,chipped and bigger intercooler,2" lift,rock sliders, lsd in transfer case, modified auto trans.

    In the event of nuclear war,Disregard this message
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  4. 29th May 2016, 07:32 PM #4
    acgmarketing
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    Cool. Let me know what you find. I can understand some slack is reasonable to allow the lt230 input shaft and its bearings to not "fight" any inaccuracy in how the output shaft of the zf4hp22 might be setup. Just worried when I wobbled it that I might find myself back under there again soon after putting in my donor lt230!

    Not that I don't love lying on a creeper under a beautiful car which is busy trying to mark me as part of its territory at every opportunity it gets. Territorial aren't they
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  5. 30th May 2016, 03:03 PM #5
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    stevo
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    yep there is movement in the output shaft. I did seem to remember the same on my overhauled trans having movement too
    disco seriesII mods so far:-bullbar,hyd winch,
    detriot locker,lsd front,C.D.L kit,chipped and bigger intercooler,2" lift,rock sliders, lsd in transfer case, modified auto trans.

    In the event of nuclear war,Disregard this message
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  6. 5th June 2016, 06:51 AM #6
    acgmarketing
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    Thanks guys that gave me confidence to out in the donor TC. Went in straight and easy.
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