Largely, the automatic gearbox works by using a roller clutch for routine upshifts/downshifts. It operates similar to a ratchet. It transmits the torque only in a single direction by free-wheeling or overrunning in the opposite. The advantage of such a clutch is the fact that it gets rid of the https://gearbox-auto27910.elbloglibre.com/33762252/the-definitive-guide-to-gearbox-auto