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Heli-coil King Pin On Knuckle?

Discussion in 'Early CJ5 and CJ6 Tech' started by Jonbbrew, Sep 14, 2020.

  1. Sep 14, 2020
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
    Joined:
    Mar 14, 2015
    Messages:
    499
    Hello all,

    I have found that one of the four top holes on my knuckle for the Kink Pin Bearing holder is stripped. I assume it is, but is it possible to heli-coil that hole and install a larger bolt?
     
  2. Sep 14, 2020
    timgr

    timgr Eppur si muove. 2020 Sponsor 2019 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    You could Helicoil and use the original bolt. The Helicoil restores the original threads typically.
     
    Jonbbrew, mike starck and Twin2 like this.
  3. Sep 14, 2020
    44bz

    44bz New Member

    Oregon City OR
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    Jul 30, 2018
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    I did this with the Dana 25 in my CJ2a - worked perfectly.
     
    Jonbbrew likes this.
  4. Sep 15, 2020
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
    Joined:
    Mar 14, 2015
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    No issues with torquing to specs? 40lbs i believe...?
     
  5. Sep 15, 2020
    44bz

    44bz New Member

    Oregon City OR
    Joined:
    Jul 30, 2018
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    nope. I was a little nervous about it but really had nothing to lose and so far so good.
     
  6. Sep 15, 2020
    timgr

    timgr Eppur si muove. 2020 Sponsor 2019 Sponsor

    Medford Mass USA
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    Unless the knuckle iron is crumbly, the Helicoil should be stronger than the original threads. Larger diameter, more thread and surface area.
     
    Jonbbrew likes this.
  7. Sep 16, 2020
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
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    Mar 14, 2015
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    Thanks all. Going to give it a try when I get back home this weekend. I’ll post how it goes.
     
  8. Sep 17, 2020
    truckee4x4

    truckee4x4 Member 2020 Sponsor 2019 Sponsor

    Truckee CA
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    May 30, 2008
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    I have extra bearing caps and May have an extra knuckle if I dig deeper, let me know if you get stuck
     
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  9. Sep 17, 2020
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
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    2,089
    Two of the bolts on one of the knuckles (I "think" it's the right side) got helicoiled during the axle rebuild.
     
  10. Sep 18, 2020 at 12:59 AM
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
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    Mar 14, 2015
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    What do you mean?
     

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