The friction bands are sometimes useful for manually picked gears (which include low variety or reverse) and work within the planetary drum's circumference. Bands aren't utilized if the generate/overdrive range is chosen, the torque becoming transmitted with the sprag clutches in its place. The shift valve is pressurized with fluid https://gearboxauto43962.onzeblog.com/33821620/the-best-side-of-gearbox-auto