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In 2 Gears At Once Or ??? , Wtf

Discussion in 'Early CJ-5 and CJ-6 Tech' started by 70cj5134f, Feb 3, 2019.

  1. Feb 9, 2019
    Glenn

    Glenn Kinda grumpy old man Staff Member Sponsor

    Apopka, Fl
    Joined:
    Sep 21, 2002
    Messages:
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    Have you checked to make sure there is a vent on top of the t-case and not just an open hole?
     
  2. Feb 9, 2019
    NCRenII

    NCRenII yellow fever Sponsor

    Far Nor Cal
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    Sep 22, 2017
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    389
    The gunk is why I suggested diesel/mmo. Alternative is atf, lots of detergents in that stuff.
    The pto has some value, p.m. me. Always looking for parts.
     
    70cj5134f likes this.
  3. Feb 9, 2019
    70cj5134f

    70cj5134f Member

    East Tn
    Joined:
    Aug 18, 2018
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    660
    No, was unware?
    Where?
     
  4. Feb 9, 2019
    Glenn

    Glenn Kinda grumpy old man Staff Member Sponsor

    Apopka, Fl
    Joined:
    Sep 21, 2002
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    It's on top of the front output housing.
     
  5. Feb 10, 2019
    homersdog

    homersdog Tulsa, Ok Sponsor 2019 Sponsor

    Tulsa, OK
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    Jan 8, 2012
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    1,476
    you can see the vent on mine here, looks like a flat top mushroom.
    [​IMG]
     
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  6. Feb 10, 2019
    70cj5134f

    70cj5134f Member

    East Tn
    Joined:
    Aug 18, 2018
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    I will check both vents.
    Can the vents be plugged to stop water enter?
     
  7. Feb 10, 2019
    PeteL

    PeteL Member Sponsor 2019 Sponsor

    Hills of NH
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    Aug 3, 2003
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    Just an observation - on an open Jeep left outdoors, rainwater can run down the shifter and into the transmission. If it freezes it can even lock up the trans.
     
    Glenn likes this.
  8. Feb 10, 2019
    Glenn

    Glenn Kinda grumpy old man Staff Member Sponsor

    Apopka, Fl
    Joined:
    Sep 21, 2002
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    8,621
    There is only one vent. That one vent is for both the T-90 and the Dana 18. Don't plug the vent, pressure will build up and force oil out somewhere. You say the oil gets so nasty is why I wonder if the vent is missing.
     
  9. Mar 11, 2019
    Tina

    Tina New Member

    Ontario
    Joined:
    Mar 9, 2019
    Messages:
    1
    Great thread. Have a similar issue. My 72cj5 would not move one day after I let the clutch out too fast and stalled it. Took out the rear dr shaft after inspecting the rear diff. Rolls fine now. This is a project vehicle and hope to start it this summer. Need to do more research (PTO, spec manual etc) and see how this thing ticks. Again, great site!!!
     
  10. Mar 12, 2019
    colojeepguy

    colojeepguy Colorado Springs Sponsor 2019 Sponsor

    At the foot of...
    Joined:
    Apr 4, 2010
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    FYI, 1972 uses different trans & tcase than the ones referenced in this thread...if you're having problems with yours you might want to start your own thread in the intermediate section.
    Oh, and welcome aboard!
     

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