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repairing kingpin stuff

Discussion in 'Early CJ5 and CJ6 Tech' started by zed, Sep 9, 2005.

  1. lafester

    lafester Sponsor

    sounds good :)
     
  2. speedbuggy

    speedbuggy Looking for a Jeep now

    Good luck with the project, zed. It really isn't difficult to do. Dan and I did it all in about 6 hrs time. It will go way quicker after you get one side done and know what you're doing.

    By the way, I didn't need to replace the studs. There really isn't any way of knowing until you get into the project, though. If there is any sign of wear, I'd replace those too. YMMV
     
  3. zed

    zed Iowa- Gateway to Nebraska

    speed buggy, thanks for the reassurance.

    do i drain the differential first as well and remove the axle?
    then just pump the 140wt into the ball and knuckle?

    laffster, i will post the images later tonite. that stuff is on another machine.
     
  4. speedbuggy

    speedbuggy Looking for a Jeep now

    I didn't need to drain the diff, but I did for inspection. I used a knuckle pudding as well.
     
  5. zed

    zed Iowa- Gateway to Nebraska

    do you remember the formula for the pudding?
     
  6. speedbuggy

    speedbuggy Looking for a Jeep now

    Yep-

    I took a handfull of wheel bearing grease and put it in a butter tub. I added 90 wt gear oil until I could get it to suck into my hand pump. Then I filled the knuckles with it. Did the trick ;)
     
  7. zed

    zed Iowa- Gateway to Nebraska

  8. Brad Rabideau

    Brad Rabideau more Jeeps than sense...


    Why are studs better than the bolts? Are bolts not as strong? This is something I'm about to start too and am courious before I order the parts.
     
  9. sparky

    sparky Sandgroper Staff Member Founder

    It's not the bolts or studs, it's the threads in the knuckles that are weak. Studs can't pull out of the threads.

    Actually read the doc's webpage. He outlines the reasoning behind it pretty well.
     
  10. 66cj5

    66cj5 Jeep with no name

    I used grade 8 bolts.
     
  11. speedbuggy

    speedbuggy Looking for a Jeep now

    Very well put. My only suggestion is to pull everything apart first. That way, you can see the condition of all of it before ordering parts. I always feel more comfortable ordering once I see all that is there ;)
     
  12. zed

    zed Iowa- Gateway to Nebraska

    In moses ludel's bible he used grade 8 button head bolts. any advantage or disadvantage of these over the studs from krage?
     
  13. Boyink

    Boyink Super Moderator Staff Member

    The studs are setup to be pressed into place.

    How did Moses keep the bolt heads from spinning when trying to tighten the nuts down?
     
  14. sparky

    sparky Sandgroper Staff Member Founder

    That's what jeepngm suggested as well when we were talking about this swap sorta thing at Borrego.
     
  15. Brad Rabideau

    Brad Rabideau more Jeeps than sense...

    Ahhh, I re-read Verns write-up. I get it now.

    Everything is apart. Whats interesting to me is that the bearings and cups on the driver side were bad (upper and lower), but on the passenger side they were like new. Asked my dad and he said he never touched 'em. You would think both sides would be equally shot.

    Another question as long as I'm here...how do the shims change the pre-load? How can raising or lowering the cap cause a change in this?

    Thanks again...

    Brad
     
  16. speedbuggy

    speedbuggy Looking for a Jeep now

    The fewer the shims, the tighter the bearing is pushed into the cup, making it harder to turn (tightening up your steering).
     
  17. zed

    zed Iowa- Gateway to Nebraska

    locktite when he installed em. i assume red. i can never remember the different numbers.

    what do you press them in with that fits and won't damage the parts?
     
  18. lafester

    lafester Sponsor

    i just tapped 'em in with a hammer iirc.
    use a drill press and a nice new bit to clean out the old threads.
    clean up any sharp edges and tap in your new studs.
    the spindle will be very tight, but will go in... once the nuts are tight it will straighten all the studs nicely so removal won't be as bad.

    chris