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Thread: Transmission seals that do?

  1. #1
    Freshman Member
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    Transmission seals that do?

    I'm thinking about resealing my 4-speed and I've gone down this road before. I have replaced the front and rear seal and they last a while before weeping, but the selector shaft o-ring seals never do well. I have found a few threads that hit this a bit, but I'd like to do it right this time and not have to smell the lovely scent of hd oil burning off my exhaust if I can help it.

    Solutions?

    Thanks lads!

  2. #2
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    Re: Transmission seals that do?

    I use these for the shifter and they work well,no leaks
    Phil
    https://www.mcmaster.com/mv150489852...alog/90025K226

  3. #3
    Jedi Knight
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    Re: Transmission seals that do?

    In most cases I find modern seals better than their original counterparts, so it might be wise to consider other variables including the sealing surfaces on the shafts that the seals ride on, excessive movement in the shafts and proper alignment and seating of the seals.
    Tom
    1960 TR3A TS73117 (under restoration year 6, owned since 1964)
    1959 TR3A TS58023 (in case I never finish the one above)
    1969 Triumph Herald 13/60 (a whim)
    1973 Buick Apollo (was Dad's car)
    1992 BMW325IC (fun to drive)

  4. #4
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    Re: Transmission seals that do?

    When I select your highlighted web address, it goes to a general page. Can you post the part number? Thanks!

  5. #5
    Yoda poolboy's Avatar
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    Re: Transmission seals that do?

    Go to the general page again and in the 'search' box type in the entire 900 number at the end of Phil's link.
    DRIVE 'EM IF YOU GOT 'EM

  6. #6
    Yoda CJD's Avatar
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    Re: Transmission seals that do?

    If the seals aren't lasting then it's either the surface of the shaft or the play in the bearing. If the shaft surface is not polished smooth then no seal will survive. Rust and scoring from previous seals are the biggest culprits.
    John

    1955 TR2

  7. #7
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    Re: Transmission seals that do?

    here you go
    90025k226 memaster car number
    Phil

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