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 front oil seal.
   Fig 1: Installing Front Oil Seal

   Courtesy of SUBARU OF AMERICA, INC.
2. Apply liquid gasket to the mating surfaces 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 seal.
   Fig 3: Applying Engine Oil To Inside Of Oil Seal

   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 new oil seal when installing the oil pump.
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: Applying Fluid Packing To Threads Of Bolts

   Courtesy of SUBARU OF AMERICA, INC.