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Old 04-13-2011, 01:02 PM   #1
USmarine212's Avatar
Join Date: Oct 2010
Location: Virginia
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To short of drive shaft

The person that owned my Tj before me put the lift on. The drive shaft is to short but I continued to ride on it. It's now caught up to me and messed up my differential. When driving it's very loud. The yoke where the driveshaft connects to the differential has wayyy to much play in it. It's even start leaking diff fluid. What's the cheapest way to fix this? Differential insides and short drive shaft. Would a drive (front by the way) shaft off a Cherokee be sufficient? And same for the guts of the differential? I'm just looking for the cheapest way to fix this... Thanks.

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Old 04-13-2011, 02:01 PM   #2

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There is no cheap fix for this if you have to do a DS and a gear set. We need more info,Front or rear DS? What size lift do you have and why do you think the DS is too short? Is the T-case dropped? Do you have the correct DS/pinion angle? Way to many variables, you need to list a bunch more info before anybody can help.

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Old 04-13-2011, 07:55 PM   #3
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Don't know about having to regear yet, but if you don't stop driving it, you might have to. Sounds like your leaking pinion seals caused your pinion bearings to go bad. When your pinion bearing goes bad it makes a loud whirring noise like mud tires, and makes the yoke have play. Could have been caused by bad pinion angle, but I would think the u-joints would have went first.
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Old 04-13-2011, 07:57 PM   #4
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yeah, need some pictures to be able to tell.. get pics of it coming off the transfer case, and going into the differential. doesn't sound like it will be a cheap fix though.. i didn't check my rear drive shaft when i bought my jeep.. its a double cardan with slip yoke eliminator.. turned out the spline shaft had rusted inside and basically seized up.. i was going up a big hill and the yoke on the diff end was destroyed.. wheel hop and lack of flexibility, plus prior damage to it all caught up at once and i was left to get it rebuilt.. wasnt cheap lol
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