THEORY OF OPERATION - CONTINUED
TRANSMISSION - CONTINUED
Torque Converter Inlet Relief Valve. Torque converter inlet relief valve is located in torque converter housing
under transmission control valve. Torque converter inlet relief valve controls pressure sent to torque converter
from main relief valve in order to protect torque converter.
Torque Converter Outlet Relief Valve. Torque converter outlet relief valve is located at the top of torque con-
verter housing. Relief valve torque converter outlet controls minimum pressure in torque converter. When pressure
in torque converter is 85 ± 25 psi (585 ± 172 kPa), internal spring force moves spool to limit oil flow from torque
converter to oil cooler. When torque converter pressure rises above 85 ± 25 psi (585 ± 172 kPa), pressure over-
comes spring force and spool moves left to allow oil to flow from torque converter.