Principal Shaft is also called output shafts. It revolves at a different speed and also gives mandatory torque for the motor vehicles. When these two gear brings together, the clutch is often unveiled.  To alter the gears again, motorists should unleash each the gears prior to syncing two new gears. https://gunnerbczyu.blue-blogs.com/41076545/a-secret-weapon-for-gearbox-auto