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Old 01-07-2013, 11:12 PM   #1
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Question Front axle U-Joints and Axle seal

I have a 2004 Rubicon my question is how much of a PITA is it to replace the seals and U-joints? And also a question about the axle seals does the axle have inner and outter seals or just one or the other? Thanks any help is appreciated.

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Old 01-08-2013, 09:58 AM   #2
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U joints aren't bad. There are only inner seals which gets kind of involved but not huge.

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Old 01-08-2013, 11:32 AM   #3
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I've never changed my front seals but I have changed the axle u-joints. It's not a difficult job. I used Stu's (great site BTW) write up.

D-30 Axle Shaft Removal - 1
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Old 01-08-2013, 11:42 AM   #4
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Quote:
Originally Posted by IslandTJ View Post
I've never changed my front seals but I have changed the axle u-joints. It's not a difficult job. I used Stu's (great site BTW) write up.

D-30 Axle Shaft Removal - 1
X2 it's not terribly difficult at all. I took my time and learned a few thing along the way and it took me 5 hours to do the front u joint and both rear seals.
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Old 01-08-2013, 02:37 PM   #5
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Thanks for the input guys this confounded busted U Joint has been getting on my nerves with the clicking and clanking and the water fall like leak is dirtying up my new tires. Will give Stu's a good rundown before my cousin and I tackle this mofo. Y'all have a good one!
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Old 01-08-2013, 02:39 PM   #6
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Do you have a torque wrench?
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Old 01-08-2013, 06:19 PM   #7
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I don't think you really need a torque wrench, my axle nut came off with just the breaker bar... You do need a big ass socket though.
The clamp Stu uses to remove the caps really worked well for me. The only things I wish I had at the time was a vice to hold the clamp down. My old u joints were so seized it really took some torque to get it apart.
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Old 01-08-2013, 06:25 PM   #8
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It isn't necessary to remove the axle nut to change out the U-joints. It might make it a little easier to handle the axle shaft without the unit bearing attached, but with a buddy, it's not really that difficult. I personally find it to be an unneeded extra step. Stu even mentions that it's not necessary if you are only doing U-joints.
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Old 01-08-2013, 09:01 PM   #9
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Yeah we have any tools at our disposal since we will take it to a local college we pretty much have everything. Also this is a rubicon so will the locker make it harder than just a regular front end?
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Old 01-08-2013, 09:16 PM   #10
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If you replace the inner seals you need a torque wrench to properly torque the bearing cap bolts back down.
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Old 01-08-2013, 09:20 PM   #11
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If you replace the inner seals you need a torque wrench to properly torque the bearing cap bolts back down.
Yep we've got plenty of em. Thanks for the input!
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Old 01-19-2013, 05:55 PM   #12
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front axle stuff

This thread is all good stuff. I have a couple of questions. Is is true there should be absolutely no loosness or play in the axle U joints? (I have some). To reinstall the front axle in the diff is it feel your way or what is the technique. Where can I read instructions on changing the axle seals? Appreciate any help. Thanks
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Old 01-19-2013, 06:06 PM   #13
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Explore Stu Olson's excellent site a little more. While his isn't a Rubi, most everything applies to your situation.
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Old 01-24-2013, 02:01 PM   #14
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u joints

I changed both front steering ujoints. Piece of cake, no problems. 5 hours done.

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