AX-15 is out of a 97 TJ along with the motor. I wasnt sure what the tranny called for, a friend said he ran ATF in his. Plus the seal on the xfer case input if gone, so I figured I would run the same fluid in both.
It dont sound like ujoints, but I guess anything is possible. I will check the tanny mount since I had to fab something up cause the skid plate was for a BA10.
Any suggestions as far as upgraded ujoints?
There is nothing wrong with ATF in manual trannies. My Mustang T45 has been using ATF for 14 years and my Jeep AX15 has been using ATF for 2 years and both shift just like new.
I would check mounts, all driveline u-joints and pinion angle, I would also check for slop in the bearings of the xfer case and diff.
It shifts ok. I think it should be better. A little grind going into reverse, but nothing major. I am going to replace the ATF with Sythetic 10W-30. What should I run in the xfer case?
I havent messed with U joints in forever. How can I check them to see if they are the problem?
The driveshaft ujoints are actually shaped like a cross, they connect the U of the driveshaft with the U of the yoke.
Turn your driveshaft by hand while you hold the yoke steady, see if there is play, any popping/clicking while you rotate shaft back and forth.(jus leave it in gear and on the ground) Also visually look at the "cap" of the ujoint and the cap straps and bolts that hold the straps in place. (small bolts) If the bearings under the cap are worn, there will be play there or a visible gap. The bearings may actually fall out between the cap and ujoint end. There are four bearing caps on each ujoint. At the rearend yoke, two should be strapped/bolted, and two should be held in place at the ends with C-clips.
You'll see, real easy check
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