Mainly, the automatic gearbox takes advantage of a roller clutch for program upshifts/downshifts. It operates identical to a ratchet. It transmits the torque only in a single way by totally free-wheeling or overrunning in one other. The advantage of this sort of clutch is the fact it eliminates the opportunity https://claytonwmakw.blogsidea.com/40193906/everything-about-gearbox-auto