Sounds more like a TC problem than an axle problem... If you lock the front hubs and leave the TC in 2-HI, does the Jeep drive okay? If so, I would check the shifter linkage on the TC. If one of the pins comes out, odd things can happen.
Are the differentials the same ratio? I would check that first.
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[QUOTE=Anticanman;15443763]Chris Hansen is reading this thread.
If you've ever been in that traffic, you would have ground down the steering wheel with a death grip too. "Just ****ing GOOOOOO!!!!"[/QUOTE]
[QUOTE=Luuca;15713642]I pitty anyone who tries to reach into that netting unaware.[/QUOTE]
'99 TJ (DD)
'89 XJ (WIP)
Verify that the TC is moving by pulling the front drive shaft and have someone watch the yoke. Move it a few inches. If it turns, drain the fluid from the front axle and remove the differential cover and check the gears.
Scratches on a Jeep are like tattoos on a biker :D
Axles the same ratio, like addressed above, and I'd try it with the front hubs UNLOCKED...
If it moves with hubs UNLOCKED, you simply spin the differential and axle shafts, no harm, but that will tell you *IF* the front ring/pinion is locked up or not.
If it still doesn't want to move in 4x4 with the front unlocked, then the issue is with transfer or front pinion/ring gear...
You could also jack up the front, put T-case in 2WD, lock in the wheels and turn them, see if the front ring/pinion turns the drive shaft freely,
Then you would start looking at transfer case...