Bad wander
Have 2017 ford 450 with a 1172 Lance. When on the highway and the tires go over where the pavemet connwects the truck wander bad. Have fight the steering. Tires have 3500 on them. They are continetal ...
Forum Discussion
Another possibility could be the wheel ruts in the highway caused by heavy truck traffic. If it does it on any and all roads then it must be something on the truck. I ran into this once.
