Every single shift valve responds to a specific force vary; so once the car or truck goes speedier, the 2-to-three change valve will acquire about, since the force within the governor is substantial enough to bring about that valve. Generally, the automatic gearbox uses a roller clutch for plan upshifts/downshifts. https://gearboxauto65295.free-blogz.com/81014791/the-5-second-trick-for-gearbox-auto