This is my first post here, so I'll begin with a thanks to all those who have contributed to this forum over the past years - I, being less than mechanically inclined, have been able to keep my '06 TJ running well for several years, and over 120K miles, thanks to the content of this forum.
However, at this point, I'm battling the dreaded death wobble. After going through the sticky at the top of the forum, I think I've got it nailed down to the track bar (or, at least the bushing). Although, I'm not sure if there's an acceptable amount of play in the bushing, or too much.
I've taken a video of the track bar end while having the steering moved from side to side, and was wondering if I could get some input (I'll apologize in advance for the odd focus at times, but there is definitely movement in there):
Location: Noblesville, IN and Mackinaw City, MI for 2 more weeks
While you are under there rock the Jeep back and forth and check that your control arms are tight, then check your tie rod ends, u joints, tire wear, grease all of the zerk fittings and check your drag link for any play. Unbalanced tires can cause DW as well.
Good luck and I hope you can resolve the DW.
What replacement track bar did you buy? And any amount of movement in the track bar is not good. Replace that bolt with a Grade 8 bolt that gives a good tight fit. Sometimes the hole is wallowed out from the wobbling. Can't remember what I replaced mine with but it's something like a 70mmx10.5mm. But do not quote me on that.
Well, just got done replacing the track bar (as well as learned what over-torquing can do to a bolt - I swear I didn't feel the torque wrench pop).
I took it on one of western MA's famously unkempt highways and the ride seemed tighter, and I didn't feel any beginnings of a wobble. I'll have to check it again after I swap the hard top for the soft one (weight distribution on the Jeep - hard top vs. soft top, riding alone vs. riding with a passenger - seems to have had a pretty significant effect on DW).