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Old 05-05-2013, 11:24 AM   #1
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Need help quick (u-joint), is THIS normal?

Was changing the front u joint on the rear driveshaft and when I pulled it out I saw this.

Do you guys see any problems with the pictures I took? I don't know but it just seems "fishy".

05 tj 6spd by the way. Thanks guys!

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Old 05-05-2013, 11:33 AM   #2
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What's fishy about it? also what is a side view of the part in your hand?

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Old 05-05-2013, 11:37 AM   #3
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What, surface rust? Unprotected steel will rust, apply some grease to the splines & put it back together if that is all you're asking about.
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Old 05-05-2013, 11:42 AM   #4
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The splines look good, just dry.
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Old 05-05-2013, 11:48 AM   #5
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Here's the side view, I just wasn't sure if I should take a wire brush and use some WL grease or just pump it with bearing grease. It also appears the part in the picture below has a tooth chipped? Any thoughts? Sorry for so many questions, I'm still new to all this stuff!
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Old 05-05-2013, 11:52 AM   #6
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Don't put too much grease inside the opening, just grease the splines themselves. Too much grease inside there can prevent the driveshaft from sliding in as far as it needs to at times which can cause major damage to the t-case or rear axle.
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Old 05-05-2013, 11:54 AM   #7
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Look at the shaft and see if there's a corresponding flat spot. I'm not sure on Jeeps, but I've seen other vehicles that were made that way as an index.
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Old 05-05-2013, 11:59 AM   #8
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The Wrangler's factory slip joint is not indexed.
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Old 05-05-2013, 12:11 PM   #9
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Theirs no chip on the spline coming out of the transfer case, so am I kinda stuck buying a whole new slip yoke?
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Old 05-05-2013, 12:16 PM   #10
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Sounds like a good excuse for a slip yoke eliminator kit... ;-)
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Old 05-05-2013, 12:17 PM   #11
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It's not even close to being bad enough to need replacing. At least not from what I can see.
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Old 05-06-2013, 06:38 AM   #12
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So I was putting the ujoint inside the slip yoke using a press then all of a sudden the flanged edge for the snap ring shattered right off. Due to my negligence, do you have any ideas for a simple fix? I want an sye but can't afford a new sye, cv shaft, and upper adj CA. So for now just gonna fix the yoke.

Ideas?
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Old 05-06-2013, 09:57 AM   #13
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The only fix is simply buy a replacement output shaft yoke. You should be able to pick one up from RockAuto Parts Catalog
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Old 05-06-2013, 10:37 AM   #14
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Alright thank you, as long as the slip yoke is for the NP231 it will fit, correct? I see some on eBay from spicer but it says its for 87-95 yj :/

It says it'll fit up to 00' and I have a 05'. I just don't want to order it and it be to long
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Old 05-06-2013, 10:43 AM   #15
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Originally Posted by Lotek View Post
Alright thank you, as long as the slip yoke is for the NP231 it will fit, correct? I see some on eBay from spicer but it says its for 87-95 yj :/
Get one for a '97 or newer TJ, the tail cone/shaft is different on '95 and older YJs.
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Old 05-06-2013, 12:03 PM   #16
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Quote:
Originally Posted by Jerry Bransford View Post
Get one for a '97 or newer TJ, the tail cone/shaft is different on '95 and older YJs.
Can I buy you a bmw so you can figure out everything that will ever go wrong with my other toy?
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Old 05-06-2013, 01:02 PM   #17
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Originally Posted by n00g7 View Post
Can I buy you a bmw so you can figure out everything that will ever go wrong with my other toy?
Hah sure, that's a great car brand but it is way beyond my meager low-tech abilities. I bought a used '66 BMW 2002 years ago but could never figure much out on it aside from how to repair its instrument cluster that kept blowing paths in its circuit board. That car & the repairs it needed kept my VISA card maxed out.
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Old 05-06-2013, 01:52 PM   #18
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Where do you live? I've got my rear drive shaft that's in great shape. Replaced it with my sye and Tom woods.. If you pay shipping.. All you need is 2 u joints and your good to go..
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Old 05-06-2013, 02:22 PM   #19
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Originally Posted by Jerry Bransford View Post
Hah sure, that's a great car brand but it is way beyond my meager low-tech abilities. I bought a used '66 BMW 2002 years ago but could never figure much out on it aside from how to repair its instrument cluster that kept blowing paths in its circuit board. That car & the repairs it needed kept my VISA card maxed out.
I did this ( 24 Hours of Lemons - Home Page ) a couple months ago and one of the teams with a BMW kept blowing the ECU... I think they went through 8+ and picked up just about every E30 ECU in the bay area. Was easier to replace than find the cause (as there are many).

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