Colorado/Canyon Transmission Service | Ep. 9 | DmaxStore

In this episode of our GMC Canyon build series, we show you how to service your transmission. This is an often overlooked service that can really extend the life of your transmission. DmaxStore Recommends to do a transmission service every 45,000 miles using Transynd 668 transmission fluid from Castrol and a genuine GM filter. Shop Transmission Service Kits here: https://dmaxstore.com/products/6l50-transmission-service-kit-2016-2022-lwn