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#13589 09/20/2002 3:53 AM
Joined: Jun 2001
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This should be obvious but I just keep doing it wrong. I put a 68 4.10 chunk in my 1 ton panel and the pinion seal is leaking.
Can someone advise me as to what size socket is supposed to fit one the nut. Thanks.

#13590 09/20/2002 4:52 AM
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If my memory serves me correctly it is a 1&9/16.


There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
#13591 09/20/2002 2:46 PM
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If the seal is leaking, check the seal to see if you nicked or cut it putting in the pinion shaft. Also, inspect the pinion shaft. Mating surface needs to be smooth. If it is gouged or scored, get a redi-sleeve to go over the shaft.

Lacking a 3/4 or 1" impact wrench, the best way to tighten the pinion nut is to put the rear wheels on the ground (or ramps), put a big pipe wrench with a cheater if needed on the yold so when you tighten the nut the pipe wrench is against the ground. Then you can use a long cheater on the pinion nut wrench.


Fred
52 3600
69 C-10
#13592 09/21/2002 9:53 AM
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Good suggestions Fred has made.This can be done on these type of rear ends.It cannot be done this way with the DANA or GM Corporate rear ends as they have a crush sleeve that has to be set to a specific position and pinion depth. These older rear ends have a LARGE double bearing set-up that is about a big as one in a log truck grin cool


There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
#13593 09/21/2002 10:37 AM
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Thank you, I'll try replacing it ASAP.

#13594 09/21/2002 10:46 AM
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One more thing, you will want to use some brake cleaner and clean the threads of the bolts that hold the flange onto the differential body and put some sealer on them to prevent oil from leaking around the threads.I believe you will have to remove the flange after removing the yoke(be sure to check the yoke seal ride surface for smoothness or your new seal will start leaking soon).The flange is held on with 5 bolts. smile


There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!

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