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Old April 20th, 2009, 12:16 AM   #1
Disturban
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Default Bad u joint?

I am having a problem where every now and then after making a right turn only and accelerating while straightening out the wheel all of a sudden my steering wheel jerks back and forth. It feels like I am driving through S shaped ruts in the road...thats the only way I can describe it, its like a Ghost grabs the steering wheel and is moving it all over. This is not death wobble, that occurs at higher rates of speed and usually happens after hitting a bump. This happens at about 20 to 25mph.

Everything in my front end is new. Tires, ball joints, drag link, tie rod ends, rotors, wheel bearings. The front end is in alignment. It never happens while going straight down the road or on the freeway...only after making a right turn and under acceleration.

I replaced my axle u joints and I inspected them today and found one of them walking out because of a bad oblong hole in my axle yoke...so I am just wondering if a u joint that was binding would cause this problem even though the hubs are locked out?

The truck is a Suburban, straight front axle 10bolt with warn lockouts. And yes the lockouts are new and working perfect.

I am thinking after making a right turn and trying to straighten my wheel back out the axle u joint was binding and then when it releases it causes my front wheels to go all over the place...what do you think?

I know I need to fix this asap because it is scary scary shit when it happens and I am sure the people behind me think I am drunk or something.
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Old April 20th, 2009, 05:26 PM   #2
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check your bushings, i had a Caddi do this to me, exactly like yours, right turn and while straightening out the wheel it jerked back around 15-25mph, it was the control arm bushing
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Old April 20th, 2009, 07:37 PM   #3
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Originally Posted by 91XJTim View Post
check your bushings, i had a Caddi do this to me, exactly like yours, right turn and while straightening out the wheel it jerked back around 15-25mph, it was the control arm bushing
I replaced axle and u joint and it was still doing it and getting worse. I checked everything and checked again and again...I was checking the fluids and I decided to check the power steering fluid and it was down quite a bit and smelled burnt. I flushed it out and filled it up and what do ya know my problem is gone? The pump never made any noise and it did not feel like I ever lost power steering but that was the problem. The only thing I can think of is it must have had air in the lines causing real funny feed back through the steering wheel when I straightened it after making a turn. That still does not explain why it only did it after making a right turn?
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Old April 20th, 2009, 09:02 PM   #4
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thats funnay, well atleast its gone


for now
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Old April 20th, 2009, 09:06 PM   #5
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my friends XJ was doing this, trac bar mount was loose after we tighten it up it drove fine.
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