The friction bands tend to be used for manually selected gears (like low assortment or reverse) and function within the planetary drum's circumference. Bands are usually not used in the event the push/overdrive range is selected, the torque staying transmitted because of the sprag clutches rather. Sensors in automatic transmissions https://gearboxauto61357.theisblog.com/34006108/gearbox-auto-things-to-know-before-you-buy