LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Fuel Pump Assembly (Fa20) >> Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump Assembly (Fa20): Assembly

  1. 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: Locating Fuel Pressure Regulator O-Rings And Back-Up Ring
      G10213483Courtesy 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
      G10213484Courtesy of SUBARU OF AMERICA, INC.
  2. 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: Locating Fuel Pump Harness, O-Ring And Spacer
      G10213485Courtesy 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: Installing Fuel Pump
      G10213486Courtesy of SUBARU OF AMERICA, INC.
  3. 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: Locating Jet Pump O-Ring
      G10213487Courtesy 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
      G10213488Courtesy of SUBARU OF AMERICA, INC.
    5. Engage the claw and install the jet pump nozzle to the fuel sub tank.
      Fig 7: Locating Jet Pump Nozzle
      G10213489Courtesy of SUBARU OF AMERICA, INC.
    6. Install a new E-ring.
      Fig 8: Locating E-Ring
      G10213490Courtesy of SUBARU OF AMERICA, INC.
    7. Connect the fuel pump harness connector and install the harness to the four clamps.
      Fig 9: Connecting Fuel Pump Harness Connector
      G08552606Courtesy of SUBARU OF AMERICA, INC.
  4. Fuel sender gauge Assembly installation (Refer to INSTALLATION  )