Rumble Strip Feeling? Fixing GMC Sierra Transmission Shuddering
The torque converter clutch is most often the cause of a GMC Sierra gearbox trembling. It feels like driving over rumble strips at a constant speed, usually between 40 and 100 km/h. Old or incorrect gearbox fluid is the most prevalent culprit for gearbox problems on 2015 to 2019 Sierras with the 8-speed gearbox. GM … Read more