I have had this for a few months, replaced sway bar linkage and bushings. While doing so I saw where the passenger upper A arm rear bolt was loose and moving under load. I took new parts vck off, drove it with neither on and had the same problem. Apparently when I had the truck aligned mid April, the dealer didn't tighten that bolt after loosening. Nutz. I just tightened it down and no issue now. Going to dealer Monday morning to make it right.
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