Rear axle re-seal. - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-12-2003, 02:22 AM
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Rear axle re-seal.

My Rear axle leaks gear oil...badly! The pinion seal, and the right wheel end seal as far as I can tell. I have never done any work on axles to speak of, so I am begging this forum for wisdom on the subject.

I have a service manual for my Scout (thank you binder books!) and have read the section regarding wheel ends. From what I can tell (with out tearing into the axle) I have the unit bearing type. I base this on what I see in the manual and what I saw when I recently did a complete rear break job (and I mean the whole ball of wax..only thing I didn't change was the backing plate and parking break cables, and I need new parking break cables...). I may have the adjusting ring type, but doubt it.

I did not find anything (yet) in the manual about changing the pinion!

Any and all pearls of wisdom very welcome!

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post #2 of (permalink) Old 07-12-2003, 10:49 PM
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Re: Rear axle re-seal.

You will need a new crush sleeve to change the pinion seal . We just did this today . It was fun to say the least . We didnt get lucky and the inner bearing was bad also . So we had to pull the carrier . Thankfully I have a friend who only does rear ends . If you can get by with just changing the outer seal ...its not to bad . I wouldnt tackle changing the inner bearing unless you know how to reshim and how to use a dial caliper . It was a pretty hard job tech wise . Hope this helps ..
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post #3 of (permalink) Old 07-13-2003, 01:11 AM
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Re: Rear axle re-seal.

Ok, I have a dumb question...what is a crush sleeve?? I have the new pinion that the crush sleeve you were talking about?? The service manual says I should find the yoke, pinion seal, bearing cone, and outer pinion oil slinger. What the heck does an outer pinion oil slinger look like? No pictures in the manual, and all I found was the yoke, seal, what looks like a shim, bearing, bearing race. Am I screwed??

The machined portion of the yoke that rests against the seal did not look all that great...some pitting, etc. Was not a smooth surface...does this mean putting new seal in would be a waste??

The race of the bearing feels smooth, but there were a couple of pits in in a couple of the bearings. Can I get away with putting it back in? If not, can I just put a new bearing in, or is it time to pull carier to rebuild the rear end?

Thank you!

- Richard
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