2021 Chevrolet Silverado 1500 LTZ 6.2 — silverado light-throttle shudder: engine or transmission?
2021 Chevrolet Silverado 1500 LTZ 6.2, about 151,000 miles. At steady speed with light throttle I get a vibration that feels almost like driving over fine rumble strips. It disappears if I accelerate…