LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2019 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Fuel Pump ASSY (FA20) >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump ASSY (FA20): Removal

CAUTION: If the fuel gauge indicates that two thirds or more of the fuel is remaining, be sure to drain the fuel before starting the work to avoid the fuel to spill.
  1. Fuel spill prevention procedure (Refer to FUEL SYSTEM (FA20) )
  2. Fuel draining
    1. If the fuel gauge indicates that two thirds or more of the fuel is remaining, drain the fuel according to the following procedure.
      WARNING: Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
      CAUTION:
      • Be careful not to spill fuel.
      • Fuel may remain in the fuel filler pipe. Drain the fuel from the fuel filler pipe through the fill opening using a gasoline proof pump and gasoline proof hose with a diameter of 10 mm {0.3937 in} or less before starting the work.
      1. Remove the exhaust pipe ASSY CTR. (Refer to REMOVAL )
      2. Remove the exhaust tail pipe ASSY (Refer to REMOVAL )
        G12586836Courtesy of SUBARU OF AMERICA, INC.
      3. Loosen the hose clamp and disconnect the fuel tank to filler pipe hose.
        CAUTION:
        • Before starting the work, remove the foreign matters such as dirt on the fuel tank to filler pipe hose connection.
        • Be careful not to spill fuel.
      4. Set a metal container under the vehicle and drain the fuel from the fuel tank to filler pipe hose opening using the gasoline proof hose with a diameter of 10 mm {0.3937 in} or less.
        CAUTION: Be careful not to spill fuel.
        NOTE: Always be sure to use a steel container and ground the container as gasoline can easily become charged with static electricity.
      5. Install the fuel tank to filler pipe hose with the hose clamp.

        Standard value: T=2.0Nm {20kgfcm} {1.5ftlbf} 

  3. Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
  4. Removal of separate type rear seat cushion ASSY LH (Refer to REMOVAL )
    G12586837Courtesy of SUBARU OF AMERICA, INC.
  5. Rear floor service hole cover NO. 2 removal
    1. Push in the grommet to remove the rear floor service hole cover NO. 2.
    2. Remove the butyl tape and remove the rear floor service hole cover NO. 2.
      G12586838Courtesy of SUBARU OF AMERICA, INC.
    3. Disconnect the fuel pump connector.
    G12586839Courtesy of SUBARU OF AMERICA, INC.
  6. Fuel pump ASSY removal
    1. Disconnect the fuel delivery tube. (Refer to FUEL SYSTEM (FA20) )
      CAUTION: Be careful not to spill fuel.
      G12586840Courtesy of SUBARU OF AMERICA, INC.
      1. Remove the fuel delivery pipe from the fuel tank.
      G12586841Courtesy of SUBARU OF AMERICA, INC.
    2. Ring nut removal
      1. Use the SST to loosen the ring nut.

        SST 42099CA000 

      CAUTION:
      • Do not use any tools other than the SST.
      • Be careful not to damage the tube with the SST.
      • Before setting the SST, move the tube to a position outside the SST.
      NOTE: Insert the cutout portion of SST into the rib of ring nut to fix the SST securely.
    3. Remove the ring nut and ring nut plate while holding the fuel pump ASSY by hand.
      G12586842Courtesy of SUBARU OF AMERICA, INC.
    4. Disconnect the fuel sub delivery tube and remove the fuel pump ASSY from the fuel tank.
      CAUTION:
      • When disconnecting the fuel sub delivery tube, do not pull the tube strongly.
      • Do not bend the arm of fuel sender gauge ASSY.
      • Do not turn the fuel pump ASSY in the fuel tank to prevent the arm of fuel sender gauge ASSY from bending.
      • Be careful not to spill the fuel remaining in the fuel pump ASSY outside the fuel tank or in the vehicle.
    5. Remove the gasket from the fuel tank.