Oil Pump Assembly (FA20): Disassembly

Oil filter SUB-ASSY removal (Refer to REPLACEMENT )
Oil filter union removal (Refer to REPLACEMENT )
Engine oil pressure switch ASSY removal
1. Remove the engine oil pressure switch ASSY.
  
  Fig 1: Removing Engine Oil Pressure Switch Assy
  Courtesy of SUBARU OF AMERICA, INC.
Engine oil temperature sensor removal
1. Remove the engine oil temperature sensor.
  
  Fig 2: Removing Engine Oil Temperature Sensor
  Courtesy of SUBARU OF AMERICA, INC.
Camshaft position sensor removal (bank 1 intake side)
1. Remove the bolt, and remove the camshaft position sensor.
2. Remove the O-ring from the camshaft position sensor.
  
  Fig 3: Identifying Camshaft Position Sensor (Bank 1 Intake Side) Bolt
  Courtesy of SUBARU OF AMERICA, INC.
Camshaft position sensor removal (bank 1 exhaust side)
1. Remove the bolt, and remove the camshaft position sensor.
2. Remove the O-ring from the camshaft position sensor.
  
  Fig 4: Identifying Camshaft Position Sensor (Bank 1 Exhaust Side) Bolt
  Courtesy of SUBARU OF AMERICA, INC.
Camshaft position sensor removal (bank 2 intake side)
1. Remove the bolt, and remove the camshaft position sensor.
2. Remove the O-ring from the camshaft position sensor.
  
  Fig 5: Identifying Camshaft Position Sensor (Bank 2 Intake Side) Bolt
  Courtesy of SUBARU OF AMERICA, INC.
Camshaft position sensor removal (bank 2 exhaust side)
1. Remove the bolt, and remove the camshaft position sensor.
2. Remove the O-ring from the camshaft position sensor.
  
  Fig 6: Identifying Camshaft Position Sensor (Bank 2 Exhaust Side) Bolt
  Courtesy of SUBARU OF AMERICA, INC.
Removal of camshaft timing oil control valve ASSY (bank 1 intake side)
1. Remove the two bolts and remove the camshaft timing oil control valve ASSY (bank 1 intake side).
  
  Fig 7: Identifying Camshaft Timing Oil Control Valve Assy (Bank 1 Intake Side) Bolt
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the O-ring from the camshaft timing oil control valve ASSY.
  
  Fig 8: Identifying Camshaft Timing Oil Control Valve Assy O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
Removal of camshaft timing oil control valve ASSY (bank 1 exhaust side)
1. Remove the two bolts and remove the camshaft timing oil control valve ASSY (bank 1 exhaust side).
  
  Fig 9: Identifying Camshaft Timing Oil Control Valve Assy (Bank 1 Exhaust Side) Bolts
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the O-ring from the camshaft timing oil control valve ASSY.
  
  Fig 10: Identifying Camshaft Timing Oil Control Valve Assy O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
Removal of camshaft timing oil control valve ASSY (bank 2 intake side)
1. Remove the two bolts and remove the camshaft timing oil control valve ASSY (bank 2 intake side).
  
  Fig 11: Identifying Camshaft Timing Oil Control Valve Assy (Bank 2 Intake Side) Bolts
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the O-ring from the camshaft timing oil control valve ASSY.
  
  Fig 12: Camshaft Timing Oil Control Valve Assy O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
Removal of camshaft timing oil control valve ASSY (bank 2 exhaust side)
1. Remove the two bolts and remove the camshaft timing oil control valve ASSY (bank 2 exhaust side).
  
  Fig 13: Identifying Camshaft Timing Oil Control Valve Assy (Bank 2 Exhaust Side) Bolts
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the O-ring from the camshaft timing oil control valve ASSY.
  
  Fig 14: Identifying Camshaft Timing Oil Control Valve Assy O-Ring
  Courtesy of SUBARU OF AMERICA, INC.