Left side pivot pin siezed

Discussion in 'GS Boxers' started by hankmoody, May 17, 2018 at 5:44 AM.

  1. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    2006 gs, 90K miles

    I'm having my FD rebuilt by Anton this week and am replacing the rubber boots and lubing up the drive shaft etc..

    The left side pivot pin is SIEZED and like an idiot I stripped the nut. (Hex not the threads)
    Mutherfucker

    So my beast sits half naked in the driveway while I try to figure out how to get this damn pin out. Suggestions!? If it weren't Effing aluminum I'd just weld a sacrificial tool to it, heat the fuck out of it and bingo bingo. But here we are w two different metals........and chemistry.

    I need to get this done soon. Leaving for Seattle and beyond May 29.

    I'm in Warrenton VA. I'd even pay for a smart guy with the correct tools to come get this thing out.

    Larry
    #1
  2. AZgman

    AZgman Addicted to curves

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    Can you cut the nut off? I mean cut the nut in half
    #2
  3. Unstable Rider

    Unstable Rider Farto Motograffer

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    Pics?
    #3
  4. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    Considering that [​IMG]


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  5. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    Ive actually drilled it out w a 1/2inch bit. So now its hollow through.

    Thinking i can use a low profile metal blade to begin hacking away and try not to go all the way through to the threads. Then break the pin apart.

    Then find a tap to clean the threads.


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  6. naruse

    naruse Been here awhile

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    cut that thing in half and take it out with a screwdriver while putting huge amounts of WD-40 like oil to unlock it

    Other idea is with the moto tool cut the sides with a disc and take that out with a wrench :) (I think this one would work best) with shitloads again of WD40-like oil (also let the oil penetrate).

    Let us know if you manage to take it out and how.
    #6
  7. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    I've been drenching it w PB oil several time daily for three days. It's aluminum. And the hex pattern rounded out with the first try. Installation specs a 7nm torque. So "should" have come out easily. It's clearly "welded" itself in there. There's not enough of the bolt "showing" to cut flat faces and use a box wrench.

    Ugh.


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  8. naruse

    naruse Been here awhile

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    How about cutting from the sides like this? and then with a wrench force it out?

    https://www.dropbox.com/s/pro36dcxsal291v/Sides.jpg
    #8
  9. GS Addict

    GS Addict Pepperfool

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  10. JimsBeemer

    JimsBeemer 2017 R1200GSA

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    Other ideas probably will work, but this occurred to me: Drill it out to appropriate size and tap with reverse (LH) thread, then use reverse thread nut. Of course you'd have to source the reverse thread tap and nut, but Amazons always there waiting


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  11. naruse

    naruse Been here awhile

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    its actually a great idea. hopefully the pin is not soldered and the tap gets busted by the pressure :S
    #11
  12. Nesbocaj

    Nesbocaj Earth, we're #1

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    Leave it be, go on your trip and fix it when you get back.
    (drive in an oversize hex/torx) heat the aluminum, freeze the bolt with spray freeze)
    #12
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  13. Hondo

    Hondo What if it's a Samsquanch?

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    You could clean it well and have an aluminum bolt welded to it as a last resort.
    #13
  14. JimsBeemer

    JimsBeemer 2017 R1200GSA

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    Did a quick measurement on my GSA and I think this would work (do your own measurement to be sure). Same day delivery! Probably do not need a nut, just the tap alone would probably do the job. Unless the thing is cold welded in there, then all bets are off and you'll have to carefully completely drill it out and chase the treads (as already alluded to).

    POVAD 14mm X 1.5 Metric HSS Left Hand Thread Tap M14 X 1.5mm Pitch https://www.amazon.com/dp/B06X97X6T7/ref=cm_sw_r_cp_tai_i_fnA.AbVSDMR2D


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  15. AZgman

    AZgman Addicted to curves

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    I see you removed the nut already and now you are dealing with just the pin. Can we assume that you applied heat to loosen the thread locking compound? I would think that more heat and perseverance with one of the methods suggested above should get it out. You have our good wishes for success!
    #15
  16. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    ALL these ideas are helping. I have considered the reverse tap method. I now have a fairly smooth 1/2inch bore.

    I have used heat. Lots of it. Haven't thought of cold. A local machinist suggested simply "wearing" it out. As in drilling a progressively larger bore until its thin enough to break out. Then use the 24mmx 1.25 tap to clean it.

    I am also seriously considering just leaving it and dealing with it later. It's backed out about 3/4 of a turn and the swing arm ain't loose at all.

    Maybe for now that's the solution. Ugh


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  17. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    It's essentially cold welded. Alu meets steel meets water,salt and time=electrolysis =two metals become one with each other.

    Irony----Zen and art, motos , etc...!!! You get it


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  18. MirthfulThylacinator

    MirthfulThylacinator Tradie

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    Jumbo easy-out ...

    easy out jumbo.PNG
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  19. hankmoody

    hankmoody Ummmmm?? REALLY?!

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    Yeah, I'm considering using this. My only push back on it is, aluminum pin in steel. I'm afraid it will expand and not pull out. But maybe using this with heat and an impact driver..............

    Thoughts?
    #19
  20. AZgman

    AZgman Addicted to curves

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    Dude, my heart goes out to you. I have a pit in my stomach just reading this!

    Some swear by this stuff: Kroil
    #20