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  1. #1
    Old Yeller
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    Jul 2004
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    99 SID SL negative air spring nut removal

    I am trying to install a set of Enduro wiper seals on my 99 SID SL fork but am unable to remove the air nut from the negative shaft. The piston rod just keeps turning with the nut. Do you have any suggestions to get it to break free so I can remove the lowers?

  2. #2
    Old Yeller
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    Angryasian's suggestions

    Hope these suggestions can help some other people...

    "Ok, you've got a '99 which means the end of the shaft is flush with the end of
    the nut, correct? You can go about this in a few different ways, all of which
    I have used in the past with pretty good success:

    1) Use a Schrader valve core tool to hold on to the valve core while turning
    the nut. You need to have a pretty keen mechanical sense here, though, as you
    could just strip the threads on the valve core or the negative shaft if you
    apply too much torque. This method should only be used if it's obvious that
    little torque is needed.

    2) Try wedging the edge of a razor blade in between the lower leg casting and
    the base of the negative shaft nut, then twist it a bit as you try unscrewing
    the nut. Basically, you are just trying to apply a little bit of friction in
    between the inside of the lower leg and the base of the negative shaft to keep
    it from spinning.

    3) Inflate the hell out of the positive chambers (~200psi; careful!) and remove
    all of the negative pressure. Same idea as method #2."

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