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Thread: How to Stop Fork Slider Leaks

  1. #1

    How to Stop Fork Slider Leaks

    Finally getting around to the 49 project again. There is some fork oil leaking out of the bottom (not the drain plugs) of the sliders on both sides. not a lot, but enough that once I start getting around on it, you just know the leak will get worse.

    So what's the tech tip for stopping the leaks completely.

  2. #2

    Re: How to Stop Fork Slider Leaks

    Clean the crap out. I will post some simple tools tomorrow morning for getting this job done. Bob L

  3. #3

    Re: How to Stop Fork Slider Leaks

    I'm assuming the only place it can leak is at the gaskets , should create an effective seal . I don't think I put anything on the paper gaskets , just clean and dry .

    Adam

  4. #4
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    Re: How to Stop Fork Slider Leaks

    They can leak where the cast in steel insert is compromised, either by someone removing it for some reason or just coming loose over time. In those cases a bit of sealer on the top hat and gasket can stop it.
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  5. #5

    Re: How to Stop Fork Slider Leaks

    Quote Originally Posted by Rubone View Post
    They can leak where the cast in steel insert is compromised, either by someone removing it for some reason or just coming loose over time. In those cases a bit of sealer on the top hat and gasket can stop it.
    That makes sense Robbie , thank you , could it leak around where they are pressed in ?

    Adam

  6. #6
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    Re: How to Stop Fork Slider Leaks

    Quote Originally Posted by 1951 Adam View Post
    That makes sense Robbie , thank you , could it leak around where they are pressed in ?
    Adam
    I think that's just what he's saying, Adam. I remember a thread a few years ago where someone needed to replace the insert, and he had found an NOS insert, which I remember as quite remarkable. He pressed out the oid, pressed in the new- but I don't recall any mention of a leak afterwards. That thread is here somewhere in the archives.
    52 HydraGlide
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  7. #7

    Re: How to Stop Fork Slider Leaks

    Forget it.
    Last edited by Robert Luland; 05-18-2017 at 12:02 PM.

  8. #8

    Re: How to Stop Fork Slider Leaks

    Get some extra paper gaskets, if the flats on the damper studs protrude past the face of the insert, the nut won't compress the gasket when tightened. If that's the case a couple extra paper gaskets will shim the lower bushing up for a tighter assembly...
    64 Duo-Glide

  9. #9

    Re: How to Stop Fork Slider Leaks

    K this makes sense. Sure didn't want to have to take the front end apart again. Did it once already and thought that I had it fixed. I am so damn close to having the bike up and running. I will probably keep plodding along so that Start the bike and get a couple of miles on it and then come back to the tubes.

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