Tcase leaking after SYE

Longhorn84

TJ Enthusiast
Original poster
Joined
Aug 20, 2018
Messages
436
Location
Houston
I can’t pinpoint the exact leak yet but there was quite a bit of fluid on the skid plate. I did realize today that I left the cap on the vent line I put on when I had it out of the Jeep. I’ve probably driven it 5 or so miles. What’s my most likely leak point? It would suck to have to remove at this point but seems like I may have to.
 
Did you put RTV on the output shaft housing? There is also a rubber seal that slips over the output shaft. I watched the Advanced Adapters video and they put RTV around that small seal as well. I wouldn’t have known this without watching the video.
 
Good question. I used that video as my guide but I can’t remember my exact steps, they do mention a “rubber star washer” which my teraflex kit did not come with. It’s possible I left out RTV on front and rear which I guess is an easy fix if that’s the case. It’s not obvious it’s leaking from there though and I’m not sure I will be able to tell without watching it as it’s driving.
 
I used the Advanced Adapters SYE kit. I also used a rebuild kit. I think the rubber star washer was in the rebuild kit. The washer that was originally on the output shaft was a bit worn but probably could have been reused with some RTV.

maybe just opening the vent will help.
 
Cleanup the leak, remove the vent cap and install the breather. See if the leak returns.
Most likely the pressure buildup due to heat is what caused the leak.
 
I installed the SS Advanced Adapter kit and the star washer wasn't included. It took me a few purchases to find the right sized one. Model number for mine is 4446487 but it wasn't listed in the dealer computer for my 2005.
 
I installed the SS Advanced Adapter kit and the star washer wasn't included. It took me a few purchases to find the right sized one. Model number for mine is 4446487 but it wasn't listed in the dealer computer for my 2005.
Nice, thanks! Love $3 parts as a potential fix!
 
Oops I made a mistake. I installed a SS JB Comversions, not an advanced adapters. I would think it is probably the same part number.