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Squeaky Urethane Bushings

Discussion in 'Early CJ5 and CJ6 Tech' started by Bob, Jun 3, 2004.

  1. Jun 3, 2004
    Bob

    Bob Member

    Northern California
    Joined:
    Sep 23, 2002
    Messages:
    452
    Well, I've just about had enough of the squeaky urethane bushings in my Superlift springs. They squawk with the slightest of spring movement; even when going down somewhat smooth roads. :( They're not the two piece bushings, they're the steel-incased ones. I've loosened the shackle bolts thinking that I had tightened them too much and they were binding, but that didn't help. Would greasable bolts be worth putting in? Anything I can spray on them?
     
  2. Jun 3, 2004
    James P. Enderwies

    James P. Enderwies Sponsor

    Lake Havasu City, AZ
    Joined:
    Feb 2, 2003
    Messages:
    747
    Bob: I've got a Pro Comp 2.5" lift with those bushings. But mine are the solid urethane ones with no steel inside, I Think. Greasable bolts would definitly be worth it. Get one of those little tiny grease guns filled with "Urethane" grease (Qtech sell them). It's nothing more than Silicone Grease. They sell a ton of it on Ebay real cheap. You refill the little tube you get from ordering the grease gun. It's also known as "Dialectric Grease". It works wonders! :)

    For a spray on fix, see if you can find "McKay's" Rubber Lube. Used it for years on squeky body mounts and A arm rubber bushings. It's a naptha based wax. Naptha evaporates and leaves a non sticky wax only.

    HTH.
     
  3. Jun 3, 2004
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
    Joined:
    Jul 30, 2003
    Messages:
    8,541
    huh......I can't hear you............squeakkkkkkkk!!!!!!!!!!!!!!
    hmm, whats rubbing here?
    the shackle halves or plates and/or the bolts
    any chance you can shave any of the poly bushing off thats rubbing on the shackle plate?
    other than silicone spray I don't know the answer
    petroleum base will attract dirt like ants to Yogi's picnic!
     
  4. Jun 3, 2004
    James P. Enderwies

    James P. Enderwies Sponsor

    Lake Havasu City, AZ
    Joined:
    Feb 2, 2003
    Messages:
    747
    Jim: You're abosoutely right. A dry silicone spray will work if you can't find the McKay stuff. I've still got 3/4 gal of it and it still works great. The dry silicone spray will work, but I've found that the carrier evaporates too quickly to really get into the parts.

    But, to be honest, I don't know if they still make it anymore. Mine's over 15 years old. :shock: We used gallons of it back in the late '60's and early '70's when I worked as a mechanic. Solved many peoples complaints about "squeeks". :D Also worked GREAT as a oil free lube for leaf springs.
     
  5. Jun 11, 2004
    Bob

    Bob Member

    Northern California
    Joined:
    Sep 23, 2002
    Messages:
    452
    Thanks for the help guys. I'll try to find some McKay's or silicone spray. If those don't help, looks like I'll get some greasable bolts.
     
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