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Thread: LT 95 Rear Main Oil Leak

  1. #1
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    LT 95 Rear Main Oil Leak

    As many of us know the rear main oil seal on the LT95 transfer case has a propensity to leak into the handbrake drum causing issues with the hand brake.

    Over the last couple of years I have replaced (a number of times) the oil seal (no grove in the shaft), replaced the felt washer that is supposed to stop seepage along the splines and use sealant on both sides of the felt washer and filled up the outside where the bolt tightens up the lot up with sealant - I use thinners to clean up first to ensure the sealant sticks.

    I adjusted up the oil soaked brake shoes two three weeks ago and after one 600km trip they no longer will hold so time to renew the lot but I am not wanting to if the transfer case starts leaking again onto the new shoes in a couple of months.

    So is there anything I am doing wrong or is there something else I can do to stop the transfer case leaking?

    Thanks

    Garry
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  2. #2
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    I just got rid of the felt seal and put sealant in there. Been good for 5000km now.

  3. #3
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    re oil leak

    Any sign of a speedy sleeve being fitted by a previous owner? It is possible for these to weep if not sealed on fitment.

    Regards Andy.

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    Bearman's Avatar
    Bearman is offline TopicToaster Gold Subscriber
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    Garry, The normal seal is R622240 but there is a new type double lipped one FTC4939, have you tried it. Silly question, but I guess you have checked the breather is not blocked.
    Cheers......Brian
    1985 110 V8 County
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    Quote Originally Posted by rangy01 View Post
    Any sign of a speedy sleeve being fitted by a previous owner? It is possible for these to weep if not sealed on fitment.

    Regards Andy.
    No speedy sleeve

    Quote Originally Posted by Bearman View Post
    Garry, The normal seal is R622240 but there is a new type double lipped one FTC4939, have you tried it. Silly question, but I guess you have checked the breather is not blocked.
    Thanks for that - just replaced the original seal, Might try the double lipped one. Breather is not locked.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  6. #6
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    IIRC from when I rebuilt mine, there was a metal shield piece that sat around/below the bottom of the housing and was designed to take any oil that dripped out of the seal and drain it externally rather than letting it go into the handbrake drum. I think there was a slot in the housing face to let it drain out, and the shield had to be sealed to the housing, but not have the slot/drain blocked.

    Is that correct or am I dreaming?

    I've had success with rejuvenating contaminated handbrake shoes by soaking in petrol overnight, then removing them and letting the petrol evaporate off before using a blowtorch (eg propane) to gently burn out the remainder of the oil. Obvious petrol/blowtorch safety precautions apply

    Steve

  7. #7
    350RRC's Avatar
    350RRC is offline ForumSage Silver Subscriber
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    Quote Originally Posted by steveG View Post
    IIRC from when I rebuilt mine, there was a metal shield piece that sat around/below the bottom of the housing and was designed to take any oil that dripped out of the seal and drain it externally rather than letting it go into the handbrake drum. I think there was a slot in the housing face to let it drain out, and the shield had to be sealed to the housing, but not have the slot/drain blocked.

    Is that correct or am I dreaming?

    I've had success with rejuvenating contaminated handbrake shoes by soaking in petrol overnight, then removing them and letting the petrol evaporate off before using a blowtorch (eg propane) to gently burn out the remainder of the oil. Obvious petrol/blowtorch safety precautions apply

    Steve
    Yes to all of this ^^^. Have posted about the same issue some time ago.

    Soaked shoes in some sort of solvent for a couple of days and heated them up, made up a (missing) catcher out of a can from memory and couldn't believe how good the handbrake could / should be.

    Search a bit Garry and you'll find the post. Can scan and pm the Haynes schematic showing the catcher if you want.

    Have the same prob with a different LT 95 hand brake atm (very different, has a Ford C9 where the gearbox half should be), haven't had a look inside the drum yet to see if it has the catcher or not. Will be treating the prob the same way as before because I know it works.

    DL

  8. #8
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    Quote Originally Posted by 350RRC View Post
    Have the same prob with a different LT 95 hand brake atm (very different, has a Ford C9 where the gearbox half should be), haven't had a look inside the drum yet to see if it has the catcher or not. Will be treating the prob the same way as before because I know it works.

    DL
    Mine has the catcher but as far as I can see it just empties into the brake drum when full - was designed more for weeps not leaks. However it has been a while since I pulled mine apart.

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

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