Check the track bar mounting holes. We've had three Jeeps so far that the track bar mounting holes have been hogged out allowing the track bar to shift side to side.
"But it does me no injury for my neighbour to say there are twenty gods, or no god. It neither picks my pocket nor breaks my leg." - Thomas Jefferson, Notes on the State of Virginia, 1782
Arguing with a truck driver is like wrestling with a pig in mud, eventually you realize the pig enjoys it.