Principally, the automatic gearbox utilizes a roller clutch for program upshifts/downshifts. It operates much like a ratchet. It transmits the torque only in one path by free-wheeling or overrunning in the other. The advantage of this kind of clutch is the fact that it gets rid of the potential for https://gearbox-auto20741.answerblogs.com/34005619/gearbox-auto-no-further-a-mystery