The handbook valve is just what the change lever hooks up to. Determined by which equipment is selected, the guide valve feeds hydraulic circuits that inhibit selected gears. For example, In case the change lever is in 3rd gear, it feeds a circuit that prevents overdrive from participating. Gearboxes occur https://gearbox-auto75284.blogitright.com/34274957/an-unbiased-view-of-gearbox-auto