Normal state
Small Hole of
Regulator Spool
Overflowing state
COMPONENT OPERATION / Drive Unit
Back Chamber
Port P
From
Charging Pump
Back Chamber
To Transmission
Control Valve
From
Charging Pump
Regulator Spool
Output Port
Regulator Spool
To Torque
Converter
T3-9-27
Spring
Spring
T4GC-03-09-025
T4GC-03-09-026