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The Official "What The Heck Is This?" Thread

Discussion in 'Early CJ5 and CJ6 Tech' started by Focker, Feb 19, 2016.

  1. Oct 12, 2019
    Twin2

    Twin2 wasn't me Sponsor 2019 Sponsor

    Virginia Beach, VA
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    not stock . does it
    pull - off road lights
    turn - fan switch
     
  2. Oct 12, 2019
    johnny_boy02

    johnny_boy02 New Member

    Yuba City, CA
    Joined:
    Oct 11, 2019
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    8
    My initial guess if it wasnt factory was manual override for the electric fan. I was sorta right, as it turns out the PO wired it as a on/off for the "automatic" electric fan.

    Found a connection that had come apart, fixed it and traced the wires back. Mystery solved and no more overheating.
     
    Buildflycrash likes this.
  3. Oct 12, 2019
    Gregory Plouff

    Gregory Plouff New Member

    Fraser MI
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    Sep 3, 2019
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    Possibly rust proofing plugs
     
  4. Oct 12, 2019
    Norcal69

    Norcal69 Out of the box thinker 2019 Sponsor

    Cottonwood, Ca
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    Sep 6, 2014
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    Welcome to the forum from up the road. Did you purchase that jeep up in the Tahoe area? I think I remember seeing it on Craigslist.
     
  5. Oct 12, 2019
    johnny_boy02

    johnny_boy02 New Member

    Yuba City, CA
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    Oct 11, 2019
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    Good memory, Truckee.
     
  6. Oct 17, 2019
    Buildflycrash

    Buildflycrash Member Sponsor

    Gulf Breeze FL...
    Joined:
    Jun 5, 2007
    Messages:
    993
    I know Its a needle bearing from my front driveshaft U-joint. I found it on the floor after I had it all back together.

    Question is - How bad is it to be missing one needle?

    [​IMG]
     
  7. Oct 17, 2019
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
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    Aug 13, 2015
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    I didn’t see anything. Did you? :whistle:
     
    Lockman likes this.
  8. Oct 17, 2019
    Cap-n-Cray

    Cap-n-Cray I want to do this again.. Staff Member Sponsor

    Bainbridge...
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    Sep 21, 2009
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    It will only be go bad when you need it the most and are far from home... :schooled:
     
    Twin2 likes this.
  9. Oct 17, 2019
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member Sponsor

    Denver, CO
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    Jul 18, 2013
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    2 of the caps should be easy to check - two are much more difficult. Did you at least check the two that are easy to access? I don't really know how critical it is, but I don't think I would be okay with leaving it out. At least its the front which doesn't get used all that much, and you can still drive it most places with only the rear, but.....
    I found a needle for the lower shaft on my T14 when I was just about to button it up and put the cover back on....redid it and at least I was much faster the second time around.
     
    Buildflycrash and Twin2 like this.
  10. Oct 17, 2019
    OzFin

    OzFin Vintage Jeep Guy

    Michigan
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    Jul 16, 2007
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    532
    Its bad in my opinion.
    They are all in there for a reason and when one is missing the load is not dispersed as it should be. It would be bad enough to be stranded by a failure but consider what could happen in a catastrophic failure where the driveshaft comes apart and flails around violently or drops to the ground and pole vaults you uncontrollably.
    You will likely not be able to drive your Jeep without thinking about this...takes the fun out of enjoying your ride.
     
    Charlie Wells likes this.
  11. Oct 17, 2019
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
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    This will not diminish the strength of the joint in any noticeable way. The only thing it will affect is the longevity of the joint. With it being the front, keep it lubed and forget about it. It will outlast you.

    My $.02
     
    Lockman and Buildflycrash like this.
  12. Oct 17, 2019
    47v6

    47v6 junk wrecker! Sponsor

    Washington DC.
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    Pull it out, check the yoke cups, if it’s not missing there whack the yoke with a hammer to dislodge the other cups after you take out the retaining clips and find out where it’s missing or just drive it. It’s a front driveshaft not th rear.
     
  13. Oct 17, 2019
    OzFin

    OzFin Vintage Jeep Guy

    Michigan
    Joined:
    Jul 16, 2007
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    So, your only missing one...that you know of.
    I followed your build, you put a lot of time and effort into it. Do you really want to start compromising things now?
    It should only take an hour + - to check them and do it right.
    To each their own, just my opinion.
     
    Rick Whitson, dozerjim, Glenn and 2 others like this.
  14. Oct 18, 2019
    Keys5a

    Keys5a Sponsor Sponsor

    Florida Keys
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    I left one out many years ago, and didn't bother (yes, on the front driveshaft). Years later, I was in there working on something else, so went and pulled it apart. One stub end of the cross joint was heavilly grooved, and all the rest were like new. Did it fail? No, but it would have failed at some point. It was noticably chewed up.
    The old adage" you can pay me now, or pay me later" seems to hold true in this case. Maybe you left that roller out of one of the u-bolt ones that are easy to check.
    -Donny
     
  15. Oct 18, 2019
    TIm E

    TIm E Member Sponsor 2019 Sponsor

    NW Arkansas
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    I'm with Donny on this one. I'd almost bet the wear grooves were at a bit of an angle too. All of the needles in there keep each other "honest" as they are tight to one another and can only roll true and straight. With one missing, the space between allows the needles to twist slightly back and forth depending on the load. When they can twist, it also causes them to bind between the race surfaces and will create angled wear grooves.

    It will work, just won't last as long as the ones with all the needles in them.
     
    Lockman and hunter blacksmith like this.
  16. Oct 18, 2019
    PeteL

    PeteL Member Sponsor 2019 Sponsor

    Hills of NH
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    This.
     
  17. Oct 18, 2019
    Glenn

    Glenn Kinda grumpy old man Staff Member Sponsor

    Apopka, Fl
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    Sep 21, 2002
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    What if something happened to the rear driveshaft and the front driveshaft had to be counted on to get you home? Or, if you bought a new u-joint and one of the rollers was missing would you take it back or just not worry about it? After all it's only one. :D
     
    Charlie Wells likes this.
  18. Oct 18, 2019
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
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    You guys worry too much.
    I must be really lucky to still be alive! :lol:
     
    dozerjim, Lockman and Glenn like this.
  19. Oct 18, 2019
    Glenn

    Glenn Kinda grumpy old man Staff Member Sponsor

    Apopka, Fl
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    Sep 21, 2002
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    Now I'm starting to think you might be right! :D
     
    hunter blacksmith, Twin2 and ITLKSEZ like this.
  20. Oct 18, 2019
    hunter blacksmith

    hunter blacksmith Sleepin’ Jeeper

    Valley springs,ca
    Joined:
    May 23, 2019
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    I feel the same
     

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