In case of sliding mesh gearbox, the output shaft gears continually rotate with the output shaft though in other gearbox, the output shaft gears are mounted with bearings hence these gears rotates separately. This can be why from time to time your car moves a little bit Once you put https://simonwxusp.laowaiblog.com/32801599/indicators-on-gearbox-auto-you-should-know