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Dana 18 Not Shifting Back Into 2h

Discussion in 'Early CJ5 and CJ6 Tech' started by jeepstar, Aug 14, 2022.

  1. Aug 16, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    My locking hubs
    Resized_20220816_145523.jpeg
     
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  2. Aug 16, 2022
    dnb71R2

    dnb71R2 SuperDave 2023 Sponsor

    Grand Mesa, CO
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    While this has nothing to do with your stated problem, ideally, you should have 1/2" stick out of stud past the lug nuts with a 1/2" diameter stud.
    The minimum is 2 threads past the nut.
    Please, consider installing longer wheel studs.
    This is a safety issue; only reason I point it out. :)
     
    Last edited: Aug 16, 2022
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  3. Aug 16, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    Front Drive shaft is disconnected, I can drive it fine, no binding, slips in and out of 4wd no problem
     
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  4. Aug 16, 2022
    boopiejones

    boopiejones I can’t drive 55

    California east bay
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    Can you shift in and out of 4wd on pavement with the front driveshaft installed but the front hubs free/unlocked?
     
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  5. Aug 16, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    When the front is on jacks and my hubs are engaged I spin 1 tire but the opposite won't spin. Not sure if that's relevant
     
  6. Aug 16, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sheboygan
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    No. When driveshaft is installed I can shift to 4, but not out of 4
     
  7. Aug 16, 2022
    boopiejones

    boopiejones I can’t drive 55

    California east bay
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    then it sounds to me like the issue is somewhere in the front axle. Most likely some sort of ring and pinion damage since you say the problem still happens when the front hubs are unlocked.

    what happens if you leave the front driveshaft out, but drive around with the front hubs locked?
     
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  8. Aug 16, 2022
    Jw60

    Jw60 Cool school 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sedalia MO.
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    Noteworthy, inspect brakes and bearing on the side that won't spin.
     
  9. Aug 16, 2022
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Probably spider gears busted.
     
  10. Aug 16, 2022
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    Sure you didn't hear something go snap yesterday?
     
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  11. Aug 16, 2022
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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  12. Aug 16, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Ordered a gasket, I'll take diff covers off when they arrive
     
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  13. Aug 16, 2022
    dnb71R2

    dnb71R2 SuperDave 2023 Sponsor

    Grand Mesa, CO
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    Many OEMs specify RTV for diff covers. :)
     
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  14. Aug 16, 2022
    Fireball

    Fireball Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Pullman, WA
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    Yeah! We want answers now! :madwife:
     
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  15. Aug 16, 2022
    Muzikp

    Muzikp Active Member

    Sacramento Ca.
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    :watch:

    Hilarious! I like how Jeepstar is more patient than all of us on this (y)
     
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  16. Aug 17, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    It behaves like a good little 2WD jeep. No issues or grinding noise.
     
  17. Aug 17, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Before I took the front driveshaft out, if the hubs were engaged the driveshaft would spin while the jeep was in 2WD
     
  18. Aug 17, 2022
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I know this might be a stupid question . must have missed your axle swap thread
    are you sure the gear ratios match front and rear
     
  19. Aug 17, 2022
    Jw60

    Jw60 Cool school 2024 Sponsor 2023 Sponsor 2022 Sponsor

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  20. Aug 17, 2022
    Fireball

    Fireball Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I'm still going with one end of the other not actually being 5.38s as thought.
     
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