2019 Subaru WRX STI Series.GrayFACTORY OEM SERVICE PROCEDURE

Fuel Tank: Installation

  1. Support the fuel tank with a transmission jack, set the fuel tank in place, and temporarily tighten the bolts of the fuel tank band.
    WARNING: A helper is required to perform this work.
    G10264912Courtesy of SUBARU OF AMERICA, INC.
  2. Tighten the bolts of the fuel tank band in the order shown in the figure.

    Tightening torque: 

    33 N.m (3.4 kgf-m, 24.3 ft-lb)

    G10264914Courtesy of SUBARU OF AMERICA, INC.
  3. Install the heat shield cover and stopper.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    G10264911Courtesy of SUBARU OF AMERICA, INC.
  4. Install the fuel tank protector. Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>FUEL TANK PROTECTOR>INSTALLATION .
  5. Connect the vent tube to the vent hose.
    G09487206Courtesy of SUBARU OF AMERICA, INC.
  6. Securely insert the fuel filler hose (A) and evaporation hose (B) until the hose end contacts the spool, then attach the clamp or clip as shown in the figure.

    Tightening torque: 

    2.5 N.m (0.3 kgf-m, 1.8 ft-lb)

    G10264909Courtesy of SUBARU OF AMERICA, INC.
    G13257510Courtesy of SUBARU OF AMERICA, INC.
  7. Install the rear differential. Refer to DIFFERENTIALS>REAR DIFFERENTIAL (T-TYPE)>INSTALLATION .
  8. Install the rear exhaust pipe. Refer to EXHAUST (STI)>REAR EXHAUST PIPE>INSTALLATION .
  9. Connect the quick connector of fuel delivery tube (A) and fuel return tube (B). Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>FUEL DELIVERY, RETURN AND EVAPORATION LINES>INSTALLATION .
    NOTE: When connecting, be careful not to reverse the delivery side and return side.
    G10264908Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the connector to the fuel sub level sensor.
    G10264907Courtesy of SUBARU OF AMERICA, INC.
  11. Install the service hole cover of fuel sub level sensor.
    G10264906Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the connector to the fuel pump.
    G10264905Courtesy of SUBARU OF AMERICA, INC.
  13. Install the service hole cover of fuel pump.
    G08315485Courtesy of SUBARU OF AMERICA, INC.
  14. Install the rear seat cushion. Refer to SEATS>REAR SEAT>INSTALLATION .
  15. Connect the battery ground terminal.
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.