TJ Wrangler Technical Forum
I had a clicking noise under my Jeep that sounded like a u-joint. when I tried 4hi or 4low, the Jeep would buck and sort of slam in and out of 4wd, it seemed. so I pulled the front drive shaft. the clicking went away, as did the bucking when in 4wd.
today I pulled the outer u-joint off the CV...