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Old 03-08-2014, 06:26 PM   #1
lightning's Avatar
Join Date: Aug 2012
Location: Moorhead, MN
Posts: 12
Front drive shaft noise

Hello all!

I have rotating noise coming from underneath.

Its a 98 sport, 4.0, 5 speed with 180,000 on it. It does not have a lift. D30 up front.

I thought the noise was the u-joints, so I replaced the one closest to the front diff. The noise was still there.

Before replacing the 2 in the double cardan, I took the front drive shaft out. The noise went away, so I thought that it had to be one of those u-joints. Replaced them both. It didn't seem to make a difference, the noise is still there.

The front drive shaft has some play. I can turn it back and forth a bit.

I put the front up on jack stands and was hoping to get hear the noise if I moved the tires. No such luck.

I found this thread (jeep tj noise) which points to centering ball. When I was replacing the double cardan, the parts in the middle (the centering ball and whatever it goes into) were worn but I am not sure if the is the problem or not.

I am not sure what to look at next.

Anyone have some pointers?
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Old 03-08-2014, 06:30 PM   #2
itscakes's Avatar
Join Date: May 2013
Posts: 277
Have you ruled out your wheel bearing? By the way you describe it as "goes away once you pulled your drive shaft out". Leads me to believe it wouldn't be related but double check that. Someone with more knowledge on this subject will chime in I'm sure.

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Old 03-08-2014, 09:04 PM   #3
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Join Date: Mar 2012
Location: colorado springs
Posts: 913
Replace the centering ball
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Old 03-15-2014, 09:52 AM   #4
lightning's Avatar
Join Date: Aug 2012
Location: Moorhead, MN
Posts: 12
I replaced the centering ball. The name I found it under was cv socket yoke. I got it from Northern Drivetrain:

Here is what the old one looks like:
Click image for larger version

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Old 03-17-2014, 12:37 AM   #5
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Join Date: May 2012
Location: Buckeye, AZ
Posts: 51
Originally Posted by brendend View Post
Replace the centering ball
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Old 03-17-2014, 03:10 AM   #6
Join Date: Oct 2013
Location: Bluegrass
Posts: 97
Did you grease the centering ball during installation? Might seem silly but.... You gave the classic description for centering ball noise, commonly known as angry sparrows.

98 TJ, stretched, dented and willing.
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