Oil Pump: Assembly

Assemble the front oil seal by using ST.
ST 499587100 OIL SEAL INSTALLER

NOTE: Use a new front oil seal.

Fig 1: Installing Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
Apply a coat of engine oil to inner and outer rotors.
Assemble the inner and outer rotors in their original positions.
Assemble the oil relief valve and install relief valve spring and plug.
NOTE: Use a new gasket.
Assemble the oil pump cover.
Tightening torque:

T1: 5.4 N.m (0.55 kgf-m, 4.0 ft-lb)

T2: 44 N.m (4.5 kgf-m, 32.5 ft-lb)

Fig 2: Identifying Oil Pump Components
Courtesy of SUBARU OF AMERICA, INC.