The guide valve is just what the shift lever hooks around. Dependant upon which gear is selected, the guide valve feeds hydraulic circuits that inhibit certain gears. As an illustration, Should the shift lever is in 3rd equipment, it feeds a circuit that prevents overdrive from engaging. In the situation https://gearbox-auto75295.techionblog.com/34175591/a-simple-key-for-gearbox-auto-unveiled