C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

DIff seal replacement

Old May 28, 2008 | 11:02 AM
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Default DIff seal replacement

anybody done this job, think i can do it but what tool do you use to remove yoke screw?
thanks

Last edited by rad928music; Jun 3, 2008 at 10:02 AM.
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Old May 28, 2008 | 01:33 PM
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I did this one, and as long as you have an impact wrench, it goes pretty easy and is not that bad. I used an air unit to do the job, but it can be done manually with a breaker bar, just harder to break the nut.

R/Noland
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Old May 28, 2008 | 04:04 PM
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very simple, take drive line out, take yoke off, pop seal out, pop new seal in, reinstall yoke, reinstall drive line, check diff gear oil, done.
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Old Jun 3, 2008 | 10:04 AM
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thanks for replies, (sorry for spelling)
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Old Jun 3, 2008 | 10:05 AM
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anyone no part number for seal?
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Old Jun 3, 2008 | 12:13 PM
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Originally Posted by rad928music
anyone no part number for seal?


http://ratechmfg.com/gmstandard.htm



Part # 6116 for the Dana 36, or #6117 for the Dana 44

I just did this last weekend on my 92, not a hard job at all. The seals are cheap, I would order 2 just in case you mess one up on the install
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Old Jun 3, 2008 | 03:13 PM
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Default Something to consider

Replacing the seal is not the problem.

You may want to mark the nut so you can tighten it to the same spot so you do not change your preload. While removing the nut, mark the location where the nut releases from the threads counting the rotations.
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Old Jun 3, 2008 | 03:20 PM
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Or just torque it back down to 200 ft lbs as per the FSM.
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