The manual valve is what the shift lever hooks approximately. Dependant upon which gear is chosen, the manual valve feeds hydraulic circuits that inhibit sure gears. By way of example, In the event the change lever is in third equipment, it feeds a circuit that forestalls overdrive from partaking. CarBikeTech https://gearboxauto41739.newbigblog.com/40330109/the-gearbox-auto-diaries