Oil Pump: Installation

Install in the reverse order of removal. Perform the following.

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

   ST 499587100 OIL SEAL INSTALLER

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

   Courtesy of SUBARU OF AMERICA, INC.
2. Apply liquid gasket to the matching surface of oil pump.

   Liquid gasket: 

   THREE BOND 1215 (Part No. 004403007) or equivalent 

   Fig 2: Identifying Liquid Gasket Applying Area

   Courtesy of SUBARU OF AMERICA, INC.
3. Apply a coat of engine oil to the inside of oil
   Fig 3: Identifying Engine Oil Applying Area

   Courtesy of SUBARU OF AMERICA, INC.
4. Install the oil pump to cylinder block. Be careful not to damage the oil seal during installation.
   NOTE:

   • Make sure the oil seal lip is not folded.
   • Align the flat surface of oil pump's inner rotor with crankshaft before installation.
   • Use a new O-ring and oil seal.
5. Apply liquid gasket to the three bolts thread shown in figure, (when reuse the bolts)

   Liquid gasket: 

   THREE BOND 1324 (Part No. 004403042) or equivalent 

   Tightening torque: 

   6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

   Fig 4: Identifying Liquid Gasket Bolts Applying Area

   Courtesy of SUBARU OF AMERICA, INC.