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Unread 07-11-2012, 07:10 PM   #1
hamor
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Join Date: Jan 2012
Location: pearland, tx
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Front driveshaft vibration

i've got an 04 Rubicon with The Rubicon Express lift. The 5 speed trans was replaced with a 6 speed. It has a bad vibration over 65. if i pull the front drive shaft it goes completely away. replaced the u joint and still there. anyone had this problem.

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Unread 11-09-2012, 07:53 PM   #2
JeremyA
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2003 TJ Wrangler 
 
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Dd you get it figured out? I have been having front end vibration for months now and can not find it. I have changed the pinion angle countless times. Put new u joints and centering ball in the front shaft. If you remove the front shaft it goes away. I may have the balance checked on it next.
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Unread 11-10-2012, 08:19 AM   #3
biffgnar
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Originally Posted by JeremyA View Post
I may have the balance checked on it next.
This should be your next step. If that doesn't fix it consider bent output shaft on the TC.
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Unread 11-19-2012, 08:56 AM   #4
JeremyA
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It was just way out of balance. Having the drive line shop balance it took most of my vibrations out. I know there is still a little in the rear drive shaft but its not that noticeable and the pinion angle looks good as well as the ujoints so I'm not going to worry about it right now.
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Unread 11-19-2012, 09:18 AM   #5
mdm
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Quote:
Originally Posted by JeremyA View Post
...I know there is still a little in the rear drive shaft but its not that noticeable and the pinion angle looks good as well as the ujoints so I'm not going to worry about it right now.
At what point will you start worrying about it? When the u-joints wear out? When the drive shaft comes apart? When the seals on the transfer case or pinion start leaking? Rotating parts don't like vibration and they will find a way to make their displeasure known.
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Unread 11-19-2012, 11:13 AM   #6
Millermagic
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Originally Posted by mdm View Post
At what point will you start worrying about it? When the u-joints wear out? When the drive shaft comes apart? When the seals on the transfer case or pinion start leaking? Rotating parts don't like vibration and they will find a way to make their displeasure known.
This.

Killed my front pinion seal and bearing by running too long with a vibration in the front.
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