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Unread 09-08-2009, 12:29 PM   #1
brtt485
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1988 YJ Wrangler 
 
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Driveshaft - to balance or not to balance???

Just finished the SYE install on my YJ and had an XJ front shaft cut down to length. The stock u-joints (no idea how old they are) seem to be in good shape. The jeep is not my DD but it does get highway use to and from the trail.

My question is do I need to have the driveshaft balanced and if so does it matter if I have it balanced with the stock u-joints and then replace them later or should I replace them and then have it balanced???

Local shop wants $75 to balance the shaft and if I do that and add up the cost of buying the XJ shaft, having it shortened, new u-joints/centering ball, etc.. I could have almost just purchased a new Tom Woods shaft!

Also, if I am replacing the u-joints what should I be doing with the centering ball? Replace? Repair kit? I am new to CV shafts!

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Unread 09-08-2009, 01:15 PM   #2
1998zj
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I didn't balance mine and it has no vibrations.
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Unread 09-08-2009, 01:59 PM   #3
jbeebe
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yea i mean, if you're not getting any vibes then no need to balance. if the ujoints are in good shape it's up to you whether or not you want to replace them just for the extra assurance.
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Unread 09-08-2009, 02:57 PM   #4
Louie4
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I say if you went through the trouble of cutting it down, why not balance? You might as well do it right if you're going to do it. I had my front one balanced for about $52. The guy also painted it, straightened it, and lubed the u-joints. I would also replace the centering ball and u-joints if you can.

Just my 2 cents though.
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Unread 09-08-2009, 03:51 PM   #5
93jeepyj
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That sounds a bit high. I have a tom woods shaft and I just put in a 44 rear which required me to shorten the shaft over an inch. The telescoping part apartently god some mud in it and seized up at some point which I didnt notice until I pulled it apart. I sent it back to tom woods and they cut it down, balanced it, replaced two u joints, a couple seals and took care of the binding issue for 105 bucks shipped back to me. A local guy wanted 65 just to cut it down and fix the binding which he apparantly couldnt after a week and gave it back to me. I payed 330 for it new a few years back which seemed a bit steep at the time but its definatly a quality piece.
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Unread 09-08-2009, 04:46 PM   #6
dbikers
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no need to balance unless you have a lunchbox locker or 1 piece axle (no vac disconnect) as the ds shouldn't turn unless you're in 4wd.
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Unread 09-08-2009, 05:19 PM   #7
timatoe
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Quote:
Originally Posted by dbikers View Post
no need to balance unless you have a lunchbox locker or 1 piece axle (no vac disconnect) as the ds shouldn't turn unless you're in 4wd.
I'm pretty sure he's talking about the rear shaft.

OP, you're probably ok if there's no vibes now. I woulda just had it balanced when it was cut down though. And no it doesn't matter if you change the u-joints after it's balanced.
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Unread 09-08-2009, 05:32 PM   #8
dbikers
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Originally Posted by timatoe View Post
I'm pretty sure he's talking about the rear shaft.

OP, you're probably ok if there's no vibes now. I woulda just had it balanced when it was cut down though. And no it doesn't matter if you change the u-joints after it's balanced.
HA, i think that i've been hittin' the bong a little too hard.
jk, i have front ds on the brain and i need a balanced one (aussie locker)
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