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Unread 01-30-2002, 05:13 AM   #1
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1994 YJ Wrangler 
Join Date: Jun 2001
Location: T Town, Ohio
Posts: 286

I have a vib in the front under the driverside, It only occurs when taking off and more when turning. The rear vibs from 45-60 mph. I am thinking of having a 1/2" cutoff my shackles and installing degree shims. What size shim should I get? Also I want to replace the ujoints in the drive shaft. Should I get sealed or greasable?

94 YJ 4.0 HO 3sp Auto, 3" RC Lift, 1" Shackles, 3" BL, 31x10.50, Pacesetter Armor-Coated Header, Homemade Air Intake w/ K&N
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Unread 02-06-2002, 02:21 PM   #2
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Join Date: Sep 2001
Location: Delaware
Posts: 27
Sounds like the drivers side axle joint is bad. Turn wheels all the way to the right. Reach in and see if you can wiggle the joint back and forth. Does it clank. Not good. Replace the shaft. Don't bother replacing the joint. too much work and can be more expensive if you take it somewhere.
87 Wrangler 4.2
Mopar MPI
4.0 Head
Throttle body spacer
K+N air filter

Con-ferr shackles,R.E. 4.5 lift with 33x12.5 BFG Muds and 1in. body
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Unread 02-06-2002, 08:36 PM   #3
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1995 YJ Wrangler 
Join Date: Nov 2000
Location: Santee, CA U.S.A.
Posts: 1,148
Sounds like a u-joint to me. Check them all. Replace the ones you need to. Save the joints for spares if you aren't already in the habit of carrying new ones for spares.

It could also be a bearing problem I suppose. But I'd start with the joints. Check the bearings on the front by jacking up the tire and shake it side to side. A very small amount of movement is ok. There will be no doubt if it's bad.
Matt Osburn
Rigrater Score 1032
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