Input shaft SYE issue

04TJ RUBICON 1!

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Original poster
Joined
Nov 30, 2025
Messages
5
Location
Yuba City Ca
I have a 2004 TJ Rubicon 4.0 and I guessing one of the u-joints on the drives haft let loose while my wife was on the freeway connecting ramp, almost rolled Jeep, she was freaked! I say guess because their wasn't much left, just what the skid plate caught. Part of the double carden & slip yoke and most of the TQ but the rest is gone. I found a used TQ, 2K 🤑🤬, and bought a SYE kit w/shaft. Took the used TQ apart, cleaned off the silicone, cleaned the cosmoline off the kit parts, but when I went to install the chain gear on the new shaft, the hole in the gear is too small to slide onto the new shaft? There is no snap ring like Chris mentioned in another post. Here is the tag # off the used unit and the SYE kit # too. Any ideas would be awesome!
Kevin.

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Well to tell you the honest truth, I don't know what was under there because I wasn't really doing any work under the Jeep yet. Most of everything I have done has been on the outside, intake, tires, winch, one piece exhaust/intake manifold, and exhaust w/sensors. The kit was already installed a 3 1/2" Rubicon lift. I had to put a new eaten eloquer in the back.Because the nut had loosened up and completely chewed the ring gear, locker and everything up and it was no longer available.I noticed the back shaft, but to tell you the truth, I never even looked up at the front one, because I wasn't concentrating on any of that stuff yet. Do the Rubicons not need/use a SYE kit?
Kevin 👊 👊 👊
 
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Perhaps you originally had a 231J?

That's a Rubicon transfer case.

Perhaps your Rubicon was stripped by a PO and the case replaced with a normal 231J?

It's a mystery. You have any old photos before the carnage?

Why we love build threads!

-Mac
 
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No, it was arubicon transfer case.The vehicle is a rubicon, it does have the dual electric lockers a four ten gears manual transfer case manual five speed transmission.
I just went outside and snapped a couple of pictures.....
Kevin 👊 👊 👊

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Call Tom woods drive shaft and ask for Shawn, he's the owners son, he will tell you what you need and where to measure for the rear driveshaft.

Great people!!!!!
 
Post up pictures of your Jeep, we love pictures!!

There is a lot of knowledge on here, probably more TJ/LJ knowledge, than any other forum out there.

Read all you can here, use the search function, ask questions and pay attention to the answers.

We will help all we can.
 
Awesome thanks guys, and thank you for the driveshaft link!!
Kevin 👊 👊 👊

Edit: Man, looking back over my texts, I really should type my answers because talk to text looks good, then you send it, and the spelling is jacked 🤣🤣🤣.
 
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