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Manifold stud - access?

Discussion in 'Early CJ5 and CJ6 Tech' started by PeteL, Sep 13, 2015.

  1. Sep 13, 2015
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    My '57 CJ5 F-head has a broken exhaust manifold stud at the rear-most location, and direct acess to drill/tap etc. is obstructed by the bump-out of the leftside firewall.

    Anyone know any cool tricks, or will I need to pull the engine someday?
     
    PeteL, Sep 13, 2015
    #1
  2. Sep 13, 2015
    mortten

    mortten I can’t put my finger on it 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Peninsula, Ohio
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    I pulled the engine. Didn't want to chance messing something up.
     
    mortten, Sep 13, 2015
    #2
  3. Sep 13, 2015
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    I don't know how to get at it without pulling the engine.....or the body. Unless of course the stud was sticking out some and you could get a pipe wrench on it....then PB blaster, heat, tug, tap or whatever and got lucky and it was to come out.
     
    Last edited: Sep 13, 2015
    Glenn, Sep 13, 2015
    #3
  4. Sep 13, 2015
    ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    Spokane Valley, WA
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    Man, that's rough. I feel your pain. Is there any sticking out?
     
    ITLKSEZ, Sep 13, 2015
    #4
  5. Sep 13, 2015
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    No. Broke off at the block.

    I've been getting along by using muffler patch where the gasket leaks, lasts a season. Might do that for a few more years.
     
    PeteL, Sep 13, 2015
    #5
  6. Sep 14, 2015
    aekdbbop

    aekdbbop Member

    TN
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    I think I am missing two studs.. I'll get them replaced some day.. Not fun.
     
    aekdbbop, Sep 14, 2015
    #6
  7. Sep 14, 2015
    Uncle Vin

    Uncle Vin Member 2022 Sponsor

    Long Island, New...
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    Pete: MIG weld a nut to what remains of the stud. The heat from the MIG loosens up the stud somewhat. I did it to mine and it worked like a charm. That being said, if the stud broke off at the block, then you will have to take off the manifold to weld the nut on the stud.
     
    Uncle Vin, Sep 14, 2015
    #7
  8. Sep 14, 2015
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    That might possibly work, if I pull the manifold. Then I will probably have two more busted studs! :rofl:

    Of course if it doesn't work, then I will be pulling the engine for sure...

    I don't have MIG, just AC stick. Think that would do it?
     
    PeteL, Sep 14, 2015
    #8
  9. Sep 14, 2015
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    In that awkward position a MIG gun would be more user friendly, but of course stick would work too.
     
    Glenn, Sep 14, 2015
    #9
  10. Sep 14, 2015
    47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

    USA
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    Stick might be even better. The welding on of a nut is just a brilliant idea
     
    47v6, Sep 14, 2015
    #10
  11. Sep 14, 2015
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    It's in a somewhat difficult place to strike an arc is the problem.
     
    Glenn, Sep 14, 2015
    #11
  12. Sep 14, 2015
    jeep2003

    jeep2003 Well-Known Member

    Upstate NY
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    there was a trick to this but i cant remember exactly what it was. Something like welding a washer on the broken bolt then a large nut onto the washer. that way you dont have to try and get a good weld inside of a tiny nut
     
    jeep2003, Sep 14, 2015
    #12
  13. Sep 15, 2015
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I like that.
     
    PeteL, Sep 15, 2015
    #13
  14. Sep 15, 2015
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Yes, I like that idea too. :coffee::)
     
    Glenn, Sep 15, 2015
    #14
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