My DW kept coming back because of the trac bar bracket mounting hole on the axle had become worn. We had to drill out the brackett and the bushing in the trac bar, then replace with bigger bolt. I have not had an issue since.
1998 4.0 5 speed, Superior super 35 rear, Superior super 30 front, Yukon air lockers x2. 3" Terra Flex suspension lift, 1.25" BL, 1" MML War 8K winch, Dick Cepeck Radial F-C 33/12.5/15.