Oil Pump: Assembly

1. Using the ST, install the front oil seal.

   ST 499587100 OIL SEAL INSTALLER

   NOTE: Use a new front oil seal.
   Fig 1: Installing Front Oil Seal

   Courtesy of SUBARU OF AMERICA, INC.
2. Apply a coat of engine oil to inner and outer rotors.
3. Install the inner and outer rotors.
4. Install the oil relief valve and relief valve spring and plug.
   NOTE: Use a new gasket.
5. Install 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.