Note that the 10-speed and Allison-branded 10-speed automatics used in the Silverado HD and Sierra HD use a different valve body. Prior to the Gen 3 part, GM was running the Gen 1 valve body (part ...

The transmission valve body is among the most important components of your vehicle's transmission system, yet it often goes ...

If you've ever installed an automatic transmission, you know that setting the TV cable adjustment to achieve the correct standard internal line pressure and proper shifting is extremely important.

The 2019 Cadillac CT6 and 2020 Cadillac CT6 have been included in a bulletin from GM granting extended special coverage for a transmission valve defect that can cause wheel lock-up and possible ...