Re: 4 x 4 5.7 L struggling in first and third. Feeling shaking shaking in steering w
at 115k, your suspension, including at minimum all 4 shocks, upper and lower spring isolators, sway bar end links, sway bar bushings are shot, and if you have not replaced the front diff mount, it is likely shot also. As said before, we need more info on what work has been done in order to help troubleshoot the issues.
2006 GC Overland QD II
5.7 Hemi, Modern Muscle 85 mm CNC ported TB, Apexi super voltage stabilizer, Billet Tech. Catch Can, Koni FSD shocks/struts, SRT8 sway bars, Cooper Discoverer SRX 255/65/17, Amsoil fluids, Diablosport Intune CMR tuned by Hemifever tuning.