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Old 03-08-2013, 02:14 PM   #1
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Hey all, so I've replaced the front driveshaft u-joint (against the dif) 3 separate times now. And after about a month, it starts to squeak again. I'm thinking it's probably a bent driveshaft, but I'm not sure.

I have no suspension, body, or motor lift. Everything is stock except I have 31's on there and it started before I replaced the tires.

Any thoughts on where I could begin?

:::Edit:::
It does go away when I put it 4WD.

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Old 03-08-2013, 02:55 PM   #2
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It's possible you're seating the bearing caps too far inward/too hard against the u-joint trunion (body). Are you smacking the yoke with a small sledge or a BFH to use the inertia of the bearing caps to make sure they are seated as far outward against the clips as possible?

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Old 03-08-2013, 03:02 PM   #3
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Does it stop .... Or change if you grease it.
And if you remove the shaft you should be able to roll it on something and see if its bent or if not sure have a machine shop check it.
But if the caps where dry and rusty inside the it's a lube issue .
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Old 03-08-2013, 03:14 PM   #4
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Originally Posted by theoncelers View Post
But if the caps where dry and rusty inside the it's a lube issue .
He said his new u-joints are having the problem only a month after installation which won't be caused by a lack of lubrication. To me, it's an installation problem since it is happening repeatedly on the front driveshaft which doesn't normally have excessive angularity problems either.
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Old 03-08-2013, 03:18 PM   #5
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A question because I am honestly curious: Could the centering ball cause this?
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Old 03-08-2013, 05:09 PM   #6
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Yes, absolutely the centering ball can squeak too.
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Old 03-08-2013, 06:35 PM   #7
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are you replacing them with good u-joints (spicer)
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Old 03-08-2013, 06:45 PM   #8
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Seems like even the crappiest ujoints would last more than a month. Did the ones you use come with a recommendation/instruction to put more grease in them prior to use and perhaps you are skipping that step?
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Old 03-08-2013, 06:50 PM   #9
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Yep, it's not that the u-joint quality is not good, even a cheap u-joint will last substantially longer than that. My guess is improper installation as described above in post #2. And generally speaking, u-joints come packed with the correct quantity of grease & ready to install.
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Old 03-08-2013, 07:02 PM   #10
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I've never seen 'em without grease but I figured I should ask, just in case. I am still wondering if the whole problem is being addressed or just one or two ujoints.
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Old 03-08-2013, 08:39 PM   #11
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Quote:
Originally Posted by Jerry Bransford View Post
It's possible you're seating the bearing caps too far inward/too hard against the u-joint trunion (body). Are you smacking the yoke with a small sledge or a BFH to use the inertia of the bearing caps to make sure they are seated as far outward against the clips as possible?
Actually, I'm doing the opposite. I'm tapping them as far in (tight to the body) as I can. But even then, I'm tapping it only enough to make sure I can seat the retaining clip in securely.

What's the right way once I have the joint mostly set?
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Old 03-08-2013, 08:43 PM   #12
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Quote:
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are you replacing them with good u-joints (spicer)
Yep. Spicer 5-1310X
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Old 03-20-2013, 11:07 PM   #13
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So did you ever figure out what Is causing your squeaky ujoint problem ?
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Old 03-21-2013, 12:38 PM   #14
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Not yet. I have to order new joints online and try and install them different. The thing is, I'm not installing the front one any different than the rear ones I replaced.

I'm not in a rush though because I have no unusual vibes and there's no abnormal play.

I'll update once I get under there and swap it out.
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Old 03-21-2013, 12:42 PM   #15
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How have the joints that are bad looked once you take them out?
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Old 03-22-2013, 11:02 AM   #16
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All the needle bearings are there and intact. But the grease is gone and they've all been rusty inside one bad cap.
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Old 03-22-2013, 11:12 AM   #17
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You can't go wrong with a good, greasable u-joint but make sure you get the American made one. I've swapped u-joints numerous times, especially after heavy duty muddy wheeling, and the ones that last the longest are the ones I get from NAPA but make sure you spend a few more bucks and get the made in USA ones. And of course, when installing them, don't be too rough with them and knock needle bearings out of alignment. And if they're greasable, you'll have to replace them that much less often because if installed correctly and greased properly, you should be able to eliminate your squeaking problem. Don't sweat it, this is normal and won't be the last time it happens to you.

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