The manual valve is just what the shift lever hooks as many as. Dependant upon which equipment is selected, the guide valve feeds hydraulic circuits that inhibit particular gears. By way of example, if the shift lever is in 3rd equipment, it feeds a circuit that forestalls overdrive from partaking. https://gearbox-auto19528.fare-blog.com/34295055/gearbox-auto-can-be-fun-for-anyone