Oil Pump: Assembly

1. Assemble the front oil seal by using ST.

   ST 499587100 OIL SEAL INSTALLER

   NOTE: Use a new front oil seal.
   Fig 1: Installing Front Oil Seal Using ST (499587100)

   Courtesy of SUBARU OF AMERICA, INC.
2. Apply a coat of engine oil to inner and outer rotors.
3. Assemble the inner and outer rotors in their original positions.
4. Assemble the oil relief valve and install relief valve spring and plug.
   NOTE: Use a new gasket.
5. Assemble the oil pump cover.

Tightening torque: 

T1: 5.4 N.m (0.6 kgf-m, 4.0 ft-lb) 

T2: 44 N.m (4.5 kgf-m, 32.5 ft-lb) 

Fig 2: Exploded View Of Oil Pump

Courtesy of SUBARU OF AMERICA, INC.