Just for clarification: When I say "real death wobble", I don't want it to come across as minimizing your issues. It's become very common for people to label issues that don't effect steering as DW.
I had a case of self-inflicted death wobble from forgetting to torque my track bar to spec. It was one of the scariest experiences I have ever had - my *hole was puckering so much, it chewed chunks out of the seat.
I did lots of research afterwards and I concluded that there are three categories of DW:
1. Steering-system related issues, including alignment and toe-angle.
2. Where the axle moves laterally. The track bar's job is to stop that so it's usually the culprit.
3. The wheels turn rapidly. Worn ball joints, loose tie rod, loose control arms, shot bushings, etc. - anything that allows the wheels or the axle to pivot.
It's very common for DW to be caused by a combination of issues that would usually not have been an issue individually but together allows or amplifies the wobble.
In my case, dividing the symptoms up into the 3 categories helped me take a systematic approach where I confirmed the steering system was fine, that the problem was the axle-side tugging/pushing the steering wheel and then narrowing it down to the axle moving laterally. This led to a thunderous facepalm when I remembered that I just tightened the track bar bolts to "good enough for now".
It doesn't look it the axle side of the track bar is moving in your video. That link I posted was to the wrong video so don't use that as a guide though - that video shows when the wheels turning rapidly causes the DW.
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The average human walks 1,500km per year and drinks 83L of beer which means we're getting 18km/L.
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2020 Jeep 
