2017 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Fuel system (FA20): Precautions

  1. Precautions before work
    1. Before performing the work related to the fuel system, perform the fuel spill prevention procedure and disconnect the negative terminal from the battery. (Refer to Fuel system (FA20) )
    2. Be sure not to perform the work related to the fuel system near open flames. Also be sure not to smoke during the work.
    3. Keep rubber and leather parts away from gasoline.
  2. Fuel spill prevention procedure
    CAUTION:
    • Perform this procedure when the engine coolant temperature is 60°C {140°F} or less.
    • Always perform the fuel spill prevention procedure before removing the fuel system parts.
    • Since a small amount of residue pressure exists in the fuel line after the fuel spill prevention procedure, prevent the fuel from splashing when disconnecting the fuel line.
    1. Remove the relay block cover UPR.
    2. Remove the fuel pump fuse from the engine compartment relay block.
      Fig 1: Identifying Fuel Pump Fuse Of Engine Compartment Relay Block
      G11258706Courtesy of SUBARU OF AMERICA, INC.
    3. Start the engine.
    4. Turn the ignition to OFF after the engine stalls by itself.
    5. Crank the engine again and check that it does not start.
      NOTE: Since a diagnostic code may be detected, check/clear the diagnostic code after the work is completed. (Refer to Checking/clearing DTC )
    6. Remove the fuel tank cap to release the pressure in the fuel tank.
    7. Disconnect the battery ground terminal. (Refer to Working precautions and notes )
    8. Install the fuel pump fuse.
    9. Install the relay block cover UPR.
  3. Fuel system (quick type A)
    1. When disconnecting the fuel tube connector (quick type A), adhere to the following precautions.
      1. Release the two claws in the retainer of fuel tube connector and push down the retainer as shown in the figure to disconnect the fuel tube connector from the pipe.
        Fig 2: Pushing Down Fuel Tube Connector Retainer
        G11258707Courtesy of SUBARU OF AMERICA, INC.
      2. If the fuel tube connector is seized on the pipe, hold the pipe and push/pull the fuel tube connector to release it, and then disconnect the fuel tube connector.
        CAUTION:
        • Before starting the work, remove the foreign matters such as dirt on the fuel tube connector.
        • Since the fuel tube connector seals the fuel tube connector and pipe with the O-ring, pay special attention to the damage and foreign matters on the connection.
        • Never use any tools.
        • After the fuel tube is disconnected, protect the connection with a vinyl bag.
        • If the fuel tube connector is seized on the pipe, push and pull the fuel tube connector to release it, and then pull out it.
Factory Service Tools

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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.

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