Oil Pump: Installation

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

1. Apply liquid gasket to the matching surfaces of oil pump.

   Liquid gasket: 

   THREE BOND 1215 (Part No. 004403007) or equivalent 

2. Replace the O-ring (A) with a new one.
   Fig 1: Applying Liquid Gasket To Matching Surfaces Of Oil Pump

   Courtesy of SUBARU OF AMERICA, INC.
3. Apply a coat of engine oil to the inside of oil seal.
   Fig 2: Applying Coat Of Engine Oil To Inside Of Oil Seal

   Courtesy of SUBARU OF AMERICA, INC.
4. Position the oil pump, aligning the notched area with the crankshaft, and push the oil pump straight.
   CAUTION:

   • Make sure the oil seal lip is not folded.
   • Be careful not to scratch oil seal when installing oil pump on cylinder block.
5. Install the oil pump.
6. Apply a coat of liquid gasket to the 3 bolts of oil pump.

Liquid gasket: 

THREE BOND 1215 (Part No. 004403007) or equivalent 

Tightening torque: 

6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

Fig 3: Applying Coat Of Liquid Gasket To 3 Bolts Of Oil Pump

Courtesy of SUBARU OF AMERICA, INC.