The friction bands are sometimes useful for manually picked gears (for instance lower assortment or reverse) and operate about the planetary drum's circumference. Bands usually are not used once the push/overdrive variety is chosen, the torque becoming transmitted through the sprag clutches instead. The change valve is pressurized with fluid https://gearboxauto46790.bloginder.com/34449659/helping-the-others-realize-the-advantages-of-gearbox-auto