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Thread: transfer case rear output flange

  1. #11
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    OK that makes a lot more sense but if it is lubed with pressure where does it drain away to? Will that passage carry oil in opposite direction? Sounds like if I do it quickly I will not lose enough oil to matter.
    tom bauer m-621
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    4 Star General NDT's Avatar
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    Curious how the ear got broken off? Let me guess GP forklift rash? Hopefully the shaft is not bent or case cracked. Had to be an immense force to break that part.

  3. #13
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    Drive shaft twisted off the rear u-joint then fell from under truck breaking one ear off the front flange. Did not hurt the shaft.
    tom bauer m-621
    air conditioned - 28 air
    6 wheel drive - 3 air lockers
    power steering - hydraulic - over 250 kits sold
    fast - now 1 of 43 with .69 od !!!
    m-35 transmission expert
    avatar - 64mph @ 2400 rpm with 14.5R20XL

  4. #14
    4 Star General coachgeo's Avatar
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    Inspect close for cracks in Tcase housing and bell housing. Whatever caused the shaft to twist off..... before that finally happened must have been putting tremendous vibes thru all those housings...
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  5. #15
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    I think it came from spinning one rear tire in the dirt and suddenly contacting pavement. i.e. abuse.
    tom bauer m-621
    air conditioned - 28 air
    6 wheel drive - 3 air lockers
    power steering - hydraulic - over 250 kits sold
    fast - now 1 of 43 with .69 od !!!
    m-35 transmission expert
    avatar - 64mph @ 2400 rpm with 14.5R20XL

  6. #16
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    Tom, I have pulled the pinion yokes a couple of times. Probably on the output shaft yoke the challenge will also be breaking the nut loose from the shaft, and pulling the yoke off the shaft. You'll need a good impact, or long cheater bar, of course. I had to make a 'puller' to pull the flange, a thick steel plate (3/8" I think will fit between the oil slinger/protective flange and yoke) with a U groove to fit down behind the yoke and a bolt hole in each of 4 corners, four threaded rods to cover the length of a hydraulic jack, and another plate at the base of the jack. Said jack laid on it's side of course to push on the end of the pinion. The yoke was really on there. The whole truck seemed to jump and the jack and puller became airborne when it came off, so beware.

    I can look up the lube seal number if you want to replace it (the reason I pulled mine). The original was a two piece seal, replaced by a one piece seal. There's a thread on it. [edit, on second thought the transfer output seal might not be the same as the differential pinion seal that I replaced] YMMV
    Last edited by tennmogger; 12-06-2018 at 17:19.
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  7. #17
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    OK, thanks, I have a 3/4 impact and some pullers that should work.
    tom bauer m-621
    air conditioned - 28 air
    6 wheel drive - 3 air lockers
    power steering - hydraulic - over 250 kits sold
    fast - now 1 of 43 with .69 od !!!
    m-35 transmission expert
    avatar - 64mph @ 2400 rpm with 14.5R20XL

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