Jholtzman1
Junior Member
2020 Ram 3500 Limited with Diesel eng. 57k miles - almost all highway. Now on 3rd set of tires. Last set had extreme wear on outer side of all four back tires. Now, with only 400 miles on new Cooper tires, definite outer side wear on all four back tires. Took to a truck shop who declared everything was within specs for all six tires. I also get a bad shake between 72-78 mph on the highway. Alignment allegedly checked good. Thoughts?