Operation CHARM: Car repair manuals for everyone.

Park - Engine Running




Park - Engine Running

When the gear selector lever is in the Park (P) position and the engine is running, fluid is drawn into the fluid pump and line pressure is directed to the pressure regulator valve.

Fluid Pressure Directed in Preparation for a Shift

Variable Low, 1-2 Reverse and 4th Clutch Regulator Valve

Line or auxiliary line fluid is routed through orifice 25 to the variable low and 1-2 reverse and 4th clutch regulator valve in preparation for a shift.

Variable Hi and 2-3-4 Clutch Regulator Valve

Line or auxiliary line fluid is routed through orifice 23 to the variable hi and 2-3-4 clutch regulator valve in preparation for a shift.

1-3 Reverse Clutch Regulator Valve

Line or auxiliary line fluid is routed through orifice 24 to the 1-3 reverse clutch regulator valve in preparation for a shift.

Dampener Bypass Clutch Valve

Line or auxiliary line fluid is routed through orifice 29 to the dampener bypass clutch valve in preparation for an apply of the torque dampener clutch.

Dampener Clutch Charge

Line or auxiliary line fluid is routed through orifices 41 and 43 into the dampener clutch charge circuit. Dampener clutch charge fluid fills the torque dampener clutch assembly in preparation for an apply of the torque dampener clutch.

Park - Engine Running