Hooray there is a 10-speed transmission wheel lock-up fix in the form of a new Gen 3 valve body and it is shipping to dealers now. 10-Speed Transmission Wheel Lock-Up Recall Nightmare If you missed ...

If you’re one of the many, many customers waiting on a replacement valve body for the 10-speed Allison transmission in your GM heavy duty truck, there may finally be some light at the end of the ...

GM is finally addressing long delays in repairing its Allison 10-speed transmissions after widespread valve body failures led to recalls across nearly every rear-wheel-drive model through 2022. The ...

A significant number of GM truck and SUV owners remain sidelined due to ongoing delays tied to a backorder on transmission valve bodies, a critical component of the automatic transmission system. At ...

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 unnoticed until something goes wrong. As a key player in the functionality ...