2020 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Fuel Pump ASSY (FA20): Assembly

G12586855Courtesy of SUBARU OF AMERICA, INC.
  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.
      G12586856Courtesy 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.
  2. Fuel pump installation
    1. Attach the spacer and a new O-ring to the fuel pump.
      G12586857Courtesy of SUBARU OF AMERICA, INC.
    2. Connect the connector and connect a new fuel pump harness.
      G12586858Courtesy 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.
  3. Fuel sub tank installation
    1. Set the fuel suction plate on the fuel sub tank through the spring.
      G12586859Courtesy of SUBARU OF AMERICA, INC.
    2. Apply a coat of gasoline to a new O-ring and install it to the jet pump.
    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.
      G12586860Courtesy of SUBARU OF AMERICA, INC.
    4. Engage the three claws and install the fuel filter to the fuel sub tank.
      G12586861Courtesy of SUBARU OF AMERICA, INC.
    5. Engage the claw and install the jet pump nozzle to the fuel sub tank.
      G12586862Courtesy of SUBARU OF AMERICA, INC.
    6. Install a new E-ring.
      G08552606Courtesy of SUBARU OF AMERICA, INC.
    7. Connect the fuel pump harness connector and install the harness to the four clamps.
  4. Fuel sender gauge ASSY installation (Refer to INSTALLATION )
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.