Oil Pump Assembly

Orifice cup plug restricted or damaged. Clean and inspect orifice for blockage.
Solenoid "O" ring damaged or missing. Check and replace "O" ring if necessary.
Oil pump wear plate or gasket mispositioned or damaged. Check and replace wear plate or gasket.
Improper torque on oil pump-to-converter housing bolts. Tighten bolts to specifications.
Turbine shaft seals damaged. Check and replace seals.
Converter clutch valve stuck or assembled backwards or retaining ring mispositioned. Check and repair as necessary.