Dana 30 Axle Shaft U Joint... - JeepForum.com
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post #1 of 24 Old 09-05-2011, 12:16 PM Thread Starter
evan1395
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Dana 30 Axle Shaft U Joint...

So my left axle shaft u joint is clicking and clacking under mild pre-load and crawling situations. Atleast I THINK it's my u-joint, it hasn't done "the angry sparrow" chirp but i'm getting a clacking noise from time to time when that specific tire is under little stress, so i figured its a bad U-joint. I've had the Jeep almost 5 years now and have only done the DS U-Joints, never the ones for the axle shafts, so I will probably just do the front end. But as far as your guys' experience goes, does this sound like a correct diagnosis? It only makes the clacking sound in 4 wheel while i'm turning. Its def. a click-clack and not a squeak/chirp. I searched the threads and couldn't find a write up on removing the axle shafts for a Dana 30, i've never done it and need to see how its done. Also the front end on the Jeep is stock, whats the stock U-Joints for the front shafts?
-Thanks
Evan

P.S- If you guys think it might be something else, please throw in your opinions.

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post #2 of 24 Old 09-05-2011, 12:25 PM
Benderff
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Maybe try lifting the front end up and try to track it down further? Have you met Stu yet? http://www.stu-offroad.com/axle/ujoint1/u-joint-1.htm Stu also have write-ups for getting everything apart, and back together.

Stu, and 4x4xplor both have a bunch of nice write-ups.
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post #3 of 24 Old 09-05-2011, 12:42 PM Thread Starter
evan1395
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If I jack the front end up and spin the tire do you think I would be able to hear it? It only makes the noise in 4WD, while in 2WD driving home no noise, no vibes no nothing. It's only when power is being delivered to the front axle. I can still try your method, it aint gonna hurt anything. Also when i went to go scope out the knuckle area on that side I noticed the small dust shield/cover that is supposed to cover the seam where the shaft slips into the axle tube itself is loose and pulled away from the axle tube. This wouldnt cause any damage or defects to my shaft could it? And no Benderff never saw these guys' sites, thanks for the heads up!
Now that i got that write up on the install/removal I just need some more info guys !
The first and last picture are just ones of the U-Joint to see if anyone can spot something that doesn't look right. The 2nd picture is one of the lil dust cover i was speaking up. This cover is loose and not sandwiched flush next to the axle tube like the other side is. Is this a problem?

-Thanks
Evan
Attached Thumbnails
u joint 001.jpg   u joint 002.jpg   u joint 003.jpg  
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post #4 of 24 Old 09-05-2011, 12:42 PM
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Quote:
Originally Posted by evan1395 View Post
whats the stock U-Joints for the front shafts?
Spicer 5-760x

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post #5 of 24 Old 09-05-2011, 12:46 PM Thread Starter
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thank you MayRoll
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post #6 of 24 Old 09-05-2011, 12:50 PM
aussied97tj
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Grab the inner axle yokes at u-joint try and move up/down/side to side, if there is any play at u joint area then it needs replaced, and by the way ur tie rod looks bent to me also.
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post #7 of 24 Old 09-05-2011, 12:57 PM Thread Starter
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Thanks Aussie, nah my tie rod is fine man. I'm taking pictures with a helmet camera and the lens is like a 170 degree view. So it gets the "fish-eye" look. Thanks for the look out though. And yeah it wriggles a bit, I think it's safe to say that u joint is shot. I hope that's where the noise is coming from. This had me "sweating like a whore on dollar night" my last wheeling trip. I'm a little anal about having a tip-top sounding/driving rig when i'm out on the trail. I hate doing work on my jeep when it's not in my garage, it messes up my whole day if I break something.
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post #8 of 24 Old 09-05-2011, 02:23 PM
chmo
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Quote:
Originally Posted by MayRoll View Post
Spicer 5-760x
these are the beefier same size replacements for the D30 ... they are stock on ruby D44 axles.

see Jerry's post here:
http://www.jeepforum.com/forum/f9/fr.../#post11568514

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post #9 of 24 Old 09-05-2011, 07:07 PM
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Changing the axle U-Joints is super easy. Remove the wheel, caliper and rotor. Remove the big nut on the axle. I think it's a 30mm socket. Remove the three 12 point bolts that hold the whole wheel bearing/hub/etc on and it just falls off. Pull out the axleshaft.

Change the joint and put it back together. Theres a TQ for the big 30mm nut I'm sure that somebody will chime in with it.
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post #10 of 24 Old 09-05-2011, 07:09 PM
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Quote:
Originally Posted by chris142 View Post
Changing the axle U-Joints is super easy. Remove the wheel, caliper and rotor. Remove the big nut on the axle. I think it's a 30mm socket. Remove the three 12 point bolts that hold the whole wheel bearing/hub/etc on and it just falls off. Pull out the axleshaft.

Change the joint and put it back together. Theres a TQ for the big 30mm nut I'm sure that somebody will chime in with it.
36mm, and its 175 ft lbs. But I just stand on top of my breaker bar.

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post #11 of 24 Old 09-05-2011, 08:08 PM
timdaman
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I've put a couple on without ever taking the axle nut off just the twelve point bolts and the hub and axle shaft slides out as one
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post #12 of 24 Old 09-06-2011, 09:09 PM Thread Starter
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So the "Spicer 5-760x" is the U-Joint of choice for the front Dana 30 shafts applications?
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post #13 of 24 Old 09-06-2011, 09:19 PM
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Quote:
Originally Posted by evan1395 View Post
So the "Spicer 5-760x" is the U-Joint of choice for the front Dana 30 shafts applications?
Wasn't I clear enough?

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post #14 of 24 Old 09-07-2011, 11:32 AM Thread Starter
evan1395
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Just double checking !
Gonna go try a local driveline shop first, if not i found some cheap spots on the internet, like under $35.00

-Evan
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post #15 of 24 Old 09-07-2011, 11:41 AM
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Quote:
Originally Posted by evan1395 View Post
So the "Spicer 5-760x" is the U-Joint of choice for the front Dana 30 shafts applications?
the 760 is stronger, but not service able like the 297, it's up to you

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