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Old 08-28-2012, 02:39 PM   #1
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Do I need a Transfer Case Drop?

I get a clunking sound around the transfer case when I am in an incline or in terrain requiring extra power.

I suspect I need a transfer case drop. Does the angle of the drive shaft to the transfer case look ok?
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Old 08-28-2012, 02:42 PM   #2
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Old 08-28-2012, 05:23 PM   #3
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Mine is 99 TJ with 2" lift

Your link mentioned that the TJs have a built-in slip shaft in the transfer case.

So, is it ok to install a SYE with the existing slip shaft, or replace the whole thing?
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Old 08-28-2012, 05:31 PM   #4
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you cant use the existing shaft the purpose of a SYE is to get rid of the slip and put a fixed yoke in its place with a CV drive shaft
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Old 08-28-2012, 06:10 PM   #5
Knows a couple things...

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Your suspension lift is only 2" so you do not need to install a SYE kit and CV driveshaft. Those are only recommended for a TJ for a 4" or taller suspension lift.

Dropping a t-case an inch is commonly done with 2" to 3" suspension lifts to eliminate u-joint vibrations caused by 2" or taller suspension lifts. A t-case drop is not installed to cure a clunk which is caused by something like a loose bolt, bad u-joint, bad control arm bushing, bad transmission or motor mount, etc..

If your rear axle's control arms are stock, your rear axle's pinion angle and driveshaft angle are both fine.
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