Generally, the automatic gearbox works by using a roller clutch for plan upshifts/downshifts. It operates just like a ratchet. It transmits the torque only in one route by no cost-wheeling or overrunning in the other. The advantage of this type of clutch is always that it eradicates the possibility of https://gearbox-auto04804.laowaiblog.com/32802283/little-known-facts-about-gearbox-auto