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Old 06-19-2014, 12:21 PM   #1
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Can this be caused by u-joints

Just replaced my front axle u joints because of bad steering wobble. But I still have it. I can feel the driveshaft vibrate under my ass when I drive. Can a bad u joint on the driveshaft (either one) cause steering wheel wobble at 50-60 mph? I know for a fact one of the u joints is going bad. But I don't see how it can cause that wobble when it's not connected to the steering at all

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Old 06-19-2014, 12:48 PM   #2
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Have not had to deal with that in my Jeep yet, on my Truck I have. It was my rear driveline u-joints and it shook the hell out of my truck and steering when accelerating hard or at a certain speed range 50-60.

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Old 06-19-2014, 01:11 PM   #3
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Just replaced my front axle u joints because of bad steering wobble. But I still have it. I can feel the driveshaft vibrate under my ass when I drive. Can a bad u joint on the driveshaft (either one) cause steering wheel wobble at 50-60 mph? I know for a fact one of the u joints is going bad. But I don't see how it can cause that wobble when it's not connected to the steering at all
Bad drive shaft u-joints will take out bearings and seals if left in service too long. Change out the known bad u-joint first, and see if that solves the problem. If not, at least you know you fixed one problem, and you can move on to a dry steer test and a wheel balance.
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Old 06-19-2014, 02:15 PM   #4
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Bad drive shaft u-joints will take out bearings and seals if left in service too long. Change out the known bad u-joint first, and see if that solves the problem. If not, at least you know you fixed one problem, and you can move on to a dry steer test and a wheel balance.
could this possibly explain why my front passenger tire is wearing faster than the rest?
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Old 06-19-2014, 02:36 PM   #5
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could this possibly explain why my front passenger tire is wearing faster than the rest?
A drive shaft u-joint doesn't have anything to do with your worn out tire. Have you checked your alignment, hub unit bearing, and ball joints?
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Old 06-19-2014, 02:50 PM   #6
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A drive shaft u-joint doesn't have anything to do with your worn out tire. Have you checked your alignment, hub unit bearing, and ball joints?
just had it aligned and it didn't help. Brand new hub assembly's. And haven't noticed any play in ball joints
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Old 06-20-2014, 05:51 AM   #7
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A drive shaft u-joint doesn't have anything to do with your worn out tire. Have you checked your alignment, hub unit bearing, and ball joints?
the alignment
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Old 06-20-2014, 06:09 AM   #8
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Rotate your tires front to back and see if that helps.
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Old 06-20-2014, 08:37 AM   #9
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the alignment
Your original bad toe-in adjustment would have helped your front tires wear faster.
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Old 06-20-2014, 11:31 PM   #10
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Your original bad toe-in adjustment would have helped your front tires wear faster.
i have a bad tie rod end on the drivers side. Could that also have affected the tire wear on the opposite side?
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Old 06-24-2014, 07:44 PM   #11
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Update: I've just been going over the entire suspension front and rear checking bushings and testing for play. On the rear there looks like what appears to be a sway bar? It's really thin though. But my question is, is it normal to be able to move it side to side about an inch? Again I'm not sure if it's a sway bar but it looks like one. It's curved to go over the diff
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Old 06-24-2014, 08:02 PM   #12
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Yes that's normal ...steering wobble can be caused by a bad belt on a tire .warped brake rotor ..
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Old 06-24-2014, 08:42 PM   #13
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Yes that's normal ...steering wobble can be caused by a bad belt on a tire .warped brake rotor ..
when my tires were aligned and balanced they put my brand new tire and wheel in the front but packed it with weights. Does that make sense?
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Old 06-24-2014, 09:20 PM   #14
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when my tires were aligned and balanced they put my brand new tire and wheel in the front but packed it with weights. Does that make sense?
Speed sensitive vibrations in the steering wheel are usually bad wheel balance probably 95% of the time, especially if you're running larger than stock tires. The larger tires require perfect balance...close isn't close enough. If you are sure they are perfectly balanced, do a dry steering test to try and diagnose any loose joints in steering and suspension joints.

Dry Steering Test

Do a dry steering test by having someone sit in your Jeep (with the tires on the ground) and continuously turn the steering wheel back and forth from about the 11 to 1 position while you lay under the front end and watch and feel for any lateral play in any steering or suspension joints. Check both track bar ends, the tie rod and drag link ends.
Although rotational movement in the tie rod and drag link is normal and necessary, there should be no end movement at all in the joints. There also should be no movement in the track bar ends.
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Old 06-24-2014, 09:40 PM   #15
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Finally was able to get a good balance. Tech took his time. Broke two tires down and spun 180 on the wheel. First time since lift/35's I don't have vibes. Road force baby

Oh .. Turned around. Drove back and gave the kid a $20 ... Well deserved.
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Old 06-24-2014, 09:54 PM   #16
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Finally was able to get a good balance. Tech took his time. Broke two tires down and spun 180 on the wheel. First time since lift/35's I don't have vibes. Road force baby Oh .. Turned around. Drove back and gave the kid a $20 ... Well deserved.
where do you go for alignments? Mr. Tire is who I went to for mine and wasn't pleased
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Old 06-25-2014, 03:54 AM   #17
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where do you go for alignments? Mr. Tire is who I went to for mine and wasn't pleased
Tires international for tire balance. Still in search for a alignment shop I can trust.
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Old 06-26-2014, 06:22 PM   #18
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Tires international for tire balance. Still in search for a alignment shop I can trust.
unfortunately can't drive to Connecticut for a tire balance. That's the closest one I've found.lol

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