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Old May 23rd, 2012, 09:50 AM   #1
SlayerXJ
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Default Leaky TJ Dana 30 (seals or u-joint?)

Passenger side just started leaking about the same time the u-joint started clicking.

Doing u-joints tonight, my question is:

Would the extra wobble caused by a shitty u-joint allow the diff fluid to seep by the inner seal?

If i do the joints, that's 1/2 way to doing the seals, so i may as well do it all, figured I'd ask 1st tho.

And does someone have the part #'s for the inner seals? I think the YJ took different ones on either side, is a TJ the same part for both?


also, the old hubs were trashed, i replaced those months ago, i suppose that could of helped kill the seal.

Thanks
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Old May 23rd, 2012, 10:11 AM   #2
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Yes, I just did the same thing. You have to pull both shafts and carrier to get inner seals out. Make sure if there is shims in there you keep them in the right place and also keep the caps on the same side and aligned the same. Change both seals.

Check NAXJA for a write up on it.
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Old May 23rd, 2012, 10:24 AM   #3
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A bad axle joint killed my passenger side seal on my yj. My seal is located in the disconnect, about 15 inches from the joint though.
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Old May 23rd, 2012, 10:36 AM   #4
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TJ D30 inner axle seal is a NS 710068, or Yukon p/n YMS710068.

Yes, it is different than YJ inner axle seals.
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Old May 23rd, 2012, 02:55 PM   #5
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Thanks for the info and part #'s

I'm just gonna do it all while it's apart.
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Old May 24th, 2012, 07:02 AM   #6
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advanced should have the axle seals (timken brand) for $10. idk if the price is good or bad, but in stock parts are always better than ordering IMO.

i dont think autozone carries them.

napa does i would put money on, but cant say for sure.
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Old May 24th, 2012, 12:05 PM   #7
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I went with the Nationals from down the road.

Would have liked the Yukons, but time is a factor.

Got all of the new parts in, just need to button it back up.

edit: done. no clicks and no leaks (yet)

Last edited by SlayerXJ; May 25th, 2012 at 09:35 AM.
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