Half shaft roll pin sealing?
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Thread: Half shaft roll pin sealing?

  1. #1
    Fellow Frogger! Artificer's Avatar
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    Default Half shaft roll pin sealing?

    Fitting up half shafts today & having learned sealant is recommended in this area can some of you guys please recommend the 'best' method/sealant to use & stop oil leaks in this area.

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    Have rebuilt a transmission with new bearings & oil seals, 'O' rings & speedi sleeved both shaft ends.
    This was primarily done to stop oil leaks, so any additional 'experienced' help would be much appreciated.

    Many thanks,
    John.

  2. #2
    VIP Sponsor David Cavanagh's Avatar
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    I thought it was just normal silicone, silastic sealant you make gaskets from. That's all we've
    ever used.
    COL, Sunroof and driven like this.
    David Cavanagh

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  3. #3
    COL
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    Quote Originally Posted by David Cavanagh View Post
    I thought it was just normal silicone, silastic sealant you make gaskets from. That's all we've
    ever used.
    RTV sealant is all I use
    Sunroof likes this.
    Regards Col

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    1000+ Posts driven's Avatar
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    Grasshopper if you plan ahead you slip a tight rubber sleeve on shaft before fitting.

    Knock in roll pin and then slide rubber sleeve over roll pins

    No leaks, no mucking around easy

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    COL
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    Quote Originally Posted by driven View Post
    Grasshopper if you plan ahead you slip a tight rubber sleeve on shaft before fitting.

    Knock in roll pin and then slide rubber sleeve over roll pins

    No leaks, no mucking around easy
    Not a lot of room for this idea, I would think just as easy to put a blob of sealant in the holes after the roll pin is fitted.
    Sunroof and David Cavanagh like this.
    Regards Col

    1973 Renault R12 Station Wagon
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    1000+ Posts schlitzaugen's Avatar
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    Roof and gutter silicone is the cheapest option and long lasting. A rubber sleeve would be fine, but you need a rubber that can deal with oil. Silicone will be a bastard to clean up when servicing. Another option is some glue heatshrink, but I haven't tried it myself.
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  7. #7
    Fellow Frogger! Artificer's Avatar
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    Together now.
    With what may be considered expensive....JB Weld Black Ultimate RTV
    https://www.automegastore.com.au/jb-...black-silicone.

    Cheap to me means re-do & that is never an option.

    I used to have paying customers & they don't pay for that come back or the do again option!

    The mechanic/business & other customers have to make up for poor decisions/work done.

    But thanks anyway, John,
    Last edited by Artificer; 21st July 2019 at 06:52 AM. Reason: add source

  8. #8
    don
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    All seven times I've done this job with new shafts I'vealways used sickaflex sealant and joining compound
    Never had oil leeks from these fittings
    R12 R16 R20 and R25

    Sent from my SM-T385 using aussiefrogs mobile app
    robmac and Sunroof like this.

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