I think my T-case might be shot. - JeepForum.com
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Unread 04-29-2015, 04:10 PM   #1
Jwolfer
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2006 TJ Wrangler 
 
Join Date: Apr 2012
Location: Del Rio, TX
Posts: 613
I think my T-case might be shot.

Last weekend I had a ujoint in my rear drive shaft fail which led to my drive shaft coming apart in two pieces. I was about 60 miles from home with no other options so I removed what was left of the shaft and limped home in 4H. I have since replaced the bad Ujoint but when I installed the shaft I noticed a lot of noise that sounded like a U Joint chirp kind of like a baseball card in a bike tire spoke. I have inspected the U Joint countless times and it looks fine to me so I think my T-Case may be the problem. I noticed that I only hear the noise when I am accelerating or in gear. When coasting in neutral the sound is not present. I pulled the rear drive shaft and drove in 4H to see if there was a sound and it was quiet. Any ideas here?

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Unread 04-29-2015, 04:35 PM   #2
Jeepsr4me
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Join Date: Dec 2004
Posts: 7,527
did you put a new driveshaft or the old one? Could have bent the shaft or messed it up...
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Unread 04-29-2015, 04:38 PM   #3
Jwolfer
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2006 TJ Wrangler 
 
Join Date: Apr 2012
Location: Del Rio, TX
Posts: 613
It's the old shaft. I am going to have it balanced this weekend hopefully since there aren't any shops in town that can balance it. It looks fine to the eye but it could be tweaked just enough to cause trouble.
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Unread 04-29-2015, 05:00 PM   #4
yinyangTJ
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1999 TJ Wrangler 
 
Join Date: Dec 2014
Location: Middletown, NY
Posts: 19
If you are not getting any noises w/o the driveshaft then I wouldn't think the problem is with the transfer case. I recently had to rebuild my case bc of a bad input bearing but was only able to isolate the sound once I pulled both shafts and crawled under it with the jeep running and in gear. You could try the same just to rule out the t case. But I would suspect the driveshaft is still the problem, maybe bent or out of balance.
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Unread 04-29-2015, 05:02 PM   #5
Jwolfer
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2006 TJ Wrangler 
 
Join Date: Apr 2012
Location: Del Rio, TX
Posts: 613
Quote:
Originally Posted by yinyangTJ View Post
If you are not getting any noises w/o the driveshaft then I wouldn't think the problem is with the transfer case. I recently had to rebuild my case bc of a bad input bearing but was only able to isolate the sound once I pulled both shafts and crawled under it with the jeep running and in gear. You could try the same just to rule out the t case. But I would suspect the driveshaft is still the problem, maybe bent or out of balance.
That sounds like a good plan. I'm really hoping it's just the drive shaft but I won't know until I get it balanced this weekend unfortunately.
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