The guide valve is just what the shift lever hooks around. Dependant upon which gear is chosen, the guide valve feeds hydraulic circuits that inhibit specific gears. For instance, if the shift lever is in 3rd equipment, it feeds a circuit that forestalls overdrive from participating. Autos with internal combustion https://angelomuxyy.blogdigy.com/the-basic-principles-of-gearbox-auto-51123925