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rear motor seal

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bs5230 View Drop Down
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Joined: 26 May 2010
Location: MI
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bs5230 Quote  Post ReplyReply Direct Link To This Post Topic: rear motor seal
    Posted: 05 Jul 2010 at 1:50pm
hello i have the motor out on my 1951 WD- i pulled the main bearing in the rear and got that half of seal out and replaced-but the top half is in this retainer and i loosened the bolts but they hit the end of the crank where you bolt the flywheel on,  do i have to pull the whole crank out to change the top piece of seal,

Edited by bs5230 - 05 Jul 2010 at 2:11pm
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Don(MO) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Don(MO) Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2010 at 4:57pm
Sounds like someone put too long of bolts in the retainer, You might pull the front timing cover and all three main caps off lift the crank up a little to get the retainer out and then put in the right bolts when you go back together with it. Its a good time to put new front seal in too.
Don
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.

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norm [ind] View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote norm [ind] Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2010 at 7:40pm
  our experiences are the pan gasket is leaking more often than the seals  my 2 cents
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Lonn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2010 at 7:53pm
Might be glued to the block still. Did you tap it lightly to see if it's loose? You'll never get these old style seals to completely seal up. The rear seal is made to leak a very little bit. I agree with norm on the pan gasket.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bs5230 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2010 at 6:11am
ok i got new front and rear seals, 4 pan gaskets, pto gear box seal, and new clutch, and orange and black heat paint for motor-  should be back together today - thank you all
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Butch(OH) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Butch(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2010 at 6:28am
My experiances are about the same as Norm's. Another place they leak is between the rear main cap and block. There are two little gaskets that go in there that are often not in the cheapo gasket kits and just as often left out by unknowing mechanics. I leave them out on purpose and use a bead of silicone there. 

Edited by Butch(OH) - 07 Jul 2010 at 6:29am
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