The handbook valve is exactly what the shift lever hooks up to. Dependant upon which gear is selected, the manual valve feeds hydraulic circuits that inhibit certain gears. For example, In case the change lever is in 3rd gear, it feeds a circuit that stops overdrive from partaking. The CVT https://gearboxauto43963.thekatyblog.com/32871443/an-unbiased-view-of-gearbox-auto