Operation CHARM: Car repair manuals for everyone.

Manual Valve

MANUAL VALVE





The manual valve controls oil routing to all clutches and solenoids in manual gear selections.
Park: The manual valve blocks line pressure from being routed to solenoids and 1st clutch. Solenoids and first clutch are exhausted. In park, lube pressure goes to maximum, controlled by the lube relief valve.
Reverse: Line pressure is directed to the servo apply valve. All other circuits are exhausted.
Neutral: Pressure is exhausted out one end of the valve bore.
D4: Line pressure is directed to 1st, 2nd/reverse, and 3rd/4th supply circuits. Reverse is exhausted.
D3: Same as D4.
D2: Same as D4.