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Discussion Starter · #1 · (Edited)
I have been hearing a clicking noise and thought I had a bad u-joint. I have gone through many of them and know the drill. However when I removed the drive shaft the u-joints where still tight and smooth. Grabbing the front output flange of the T-case I can push it around and it clicks. With the DS removed it still clicks. Seems like I am having issues with the support bearing.

From all my reading, all the clicking has been caused by u-joints. I have almost never read of a situation where the t-case is bad.

So I am turning to my X brothers and sisters to ask for feedback. Anyone cook off a T-case?

My plan right now is to run in 2wd for a while (sans front d-shaft) to lessen the load on the bearing. Buy a used-new-to-me t-case and swap out. Looking for any input into the subject.

Thanks!!
 

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Discussion Starter · #3 · (Edited)
Did the sound definitely go away after the front DS was removed?
No. I removed the front DS and can grab the front output flange of the t-case rock it around and make it click. I have not driven it around much. But I have not heard the clicking while driving with the front DS remove. I suspect that without the DS there isn't as much load on the bearing to make it click without physically yanking is around.
 

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Mine is out of my rig but may be needed for prototype work. I'm really only interested in the input shaft though so may be able to work a deal, cash + your smoked case depending on what area you're in. 54k ish miles.

Another option is pull it apart and take the bad bearing to a trans shop. They can get replacement bearings more often than not. I've done rebuilds on a few "unserviceable" transmissions and T cases.
 

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Another option is pull it apart and take the bad bearing to a trans shop. They can get replacement bearings more often than not. I've done rebuilds on a few "unserviceable" transmissions and T cases.
I don't see why it wouldn't be serviceable. Nissan sells all the internals to rebuild one, even the chain.
The FSM shows how to disassemble and rebuild one. Pages TF133-134 talk about the bearing replacement on the front output shaft. there's 2 bearings on it. P/N 33139-8S010
 

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I don't see why it wouldn't be serviceable. Nissan sells all the internals to rebuild one, even the chain.
The FSM shows how to disassemble and rebuild one. Pages TF133-134 talk about the bearing replacement on the front output shaft. there's 2 bearings on it. P/N 33139-8S010
Nice. I just assumed. Seems like everything is throw away now. I'd go that route for sure.
 

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Discussion Starter · #8 ·
Mine is out of my rig but may be needed for prototype work. I'm really only interested in the input shaft though so may be able to work a deal, cash + your smoked case depending on what area you're in. 54k ish miles.

Another option is pull it apart and take the bad bearing to a trans shop. They can get replacement bearings more often than not. I've done rebuilds on a few "unserviceable" transmissions and T cases.
My plan is to buy a used unit, swap it out, then rebuild the old at my leisure (which is code for NEVER or when I mess up that t-case ). Would be great if there was a lower gear for the low range. I know the Hardbody T-cases had an aftermarket low gear.

Any possibility this is classic CV joint clicking?
Anything is possible. But I have my hand on the output flange, drive shaft out, pushing on the flange, and I can hear the clicking and feel it at the flange. SO I would say not likely that it is a CV.
 
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