Chevy 2500 used to move from the yellow to the white line, All components have been replaced including ball joints, hubs, both tensioners, regulators. Bracket, inner and outer tie rods etc. as well as the steering gear. etc. I don't drive monster tires or a lift kit. I ride on 10-ply "heavy tires". The truck drifted due to the road grade, wind and minor road bumps. Even in the snow ruts leaving my territory, I left the wheel untouched and watched it turn left and right, following the ruts. Soft