Fuel pump ASSY (FA20): Assembly

Fuel pressure regulator installation
1. Apply gasoline to two new O-rings and back-up ring, and then install them to the fuel pressure regulator.
  
  Fig 1: Identifying Back-Up Ring And O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
2. Install the fuel pressure regulator to the fuel filter.
  CAUTION: Install it so that the O-ring is not cut or pinched.
  
  Fig 2: Locating Fuel Pressure Regulator
  Courtesy of SUBARU OF AMERICA, INC.
Fuel pump installation
1. Attach the spacer and a new O-ring to the fuel pump.
2. Connect the connector and connect a new fuel pump harness.
  
  Fig 3: Identifying Fuel Pump Harness, O-Ring And Spacer
  Courtesy of SUBARU OF AMERICA, INC.
3. Apply a coat of gasoline to the O-ring and install the fuel pump to the fuel filter.
  CAUTION: Install it so that the O-ring is not cut or pinched.
Fig 4: Identifying Coat Of Gasoline Applying Area On O-Ring
Courtesy of SUBARU OF AMERICA, INC.
Fuel sub tank installation
1. Set the fuel suction plate on the fuel sub tank through the spring.
2. Apply a coat of gasoline to a new O-ring and install it to the jet pump.
  
  Fig 5: Identifying Jet Pump O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
3. Install the jet pump to the fuel sub tank.
  CAUTION:
  - Install it so that the O-ring is not cut or pinched.
  - Be sure to engage the claw.
4. Engage the three claws and install the fuel filter to the fuel sub tank.
  
  Fig 6: Installing Fuel Filter To Fuel Sub Tank
  Courtesy of SUBARU OF AMERICA, INC.
5. Engage the claw and install the jet pump nozzle to the fuel sub tank.
  
  Fig 7: Identifying Jet Pump Nozzle Claw
  Courtesy of SUBARU OF AMERICA, INC.
6. Install a new E-ring.
  
  Fig 8: Identifying E-Ring
  Courtesy of SUBARU OF AMERICA, INC.
7. Connect the fuel pump harness connector and install the harness to the four clamps.
  
  Fig 9: Locating Fuel Pump Harness Connector
  Courtesy of SUBARU OF AMERICA, INC.
Fuel sender gauge ASSY installation (Refer to Installation )