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Thread: transfer case rear output flange

  1. #1
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    Default transfer case rear output flange

    I need to replace the rear driveshaft output yoke. Is all the oil in the trans going to try to get out? Do I need to drain the entire trans first?
    tom bauer m-621
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    4 Star General snowtrac nome's Avatar
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    No only oil in the rear bearing cavity will come out. you may loose a pint.

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    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    Does it just come out slowly then after the initial amount? How does oil get there?
    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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    Is the yoke physically damaged?
    Present
    2008 M1078A1 W/W
    2006 M1078A1
    2006 M1078A1
    2005 M1078A1
    2005 M1084A1 W/MHE
    1998 M1078
    1998 M1078 W/W
    1995 M1078
    1987 FLU419

    Gone but not forgotten
    1998 M1088 for parts
    2003 M1078A1 W/W for parts
    1994 M1078
    2003 M1078A1

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    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    Yes, one ear is broken off. If it was not damaged I would not replace it.
    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. #6
    4 Star General Steel Soldiers Vendor Suprman's Avatar
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    Why cant you just take the nut off and remove the broken yoke?
    9B94B21A-8B26-4B91-BE65-E46770D0D4D7.jpg

  7. #7
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    Yes that is exactly what I am going to do, but how much oil is going to come out?
    Last edited by m-35tom; 12-06-2018 at 13:59.
    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

  8. #8
    4 Star General Steel Soldiers Vendor Suprman's Avatar
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    None should come out you are not opening the transfer case up just taking the flange off the output shaft.

  9. #9
    4 Star General Steel Soldiers Vendor m-35tom's Avatar
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    The seal runs on the part I am removing so it should be open to the inside of the transfer.
    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

  10. #10
    4 Star General snowtrac nome's Avatar
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    The bearing is lubed with trans oil pressure there is a cavity behind the seal that will hold a pint or less of oil and that is all that's going to come out unless you start the truck.

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