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Home >> Subaru >> 2012 >> Impreza WRX STi Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (WRX-STI) >> Fuel Tank >> Installation

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.
    Fig 1: Locating Fuel Tank Band Mounting Bolts
    G07704564Courtesy of SUBARU OF AMERICA, INC.
  2. 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) 

    Fig 2: Identifying Fuel Filler Hose And Evaporation Hose
    G07704565Courtesy of SUBARU OF AMERICA, INC.
    Fig 3: Identifying Clamp/Clip Installing Dimensions
    G07704566Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the quick connector of the evaporation hose to the evaporation pipe.
    CAUTION:
    • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
    • When connecting the quick connector, securely insert the pipe all the way before locking the retainer.
    • When it is difficult to lock the retainer, make sure that the pipe is securely inserted.
    • Make sure that the quick connector is securely connected.
      Fig 4: Connecting Quick Connector Of Evaporation Hose To Evaporation Pipe
      G07704567Courtesy of SUBARU OF AMERICA, INC.
      Fig 5: Locating Retainer
      G07704568Courtesy of SUBARU OF AMERICA, INC.
  4. Connect evaporation hose (B) to connector (A).
    Fig 6: Identifying Evaporation Hose And Connector
    G07704569Courtesy of SUBARU OF AMERICA, INC.
  5. 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) 

    Fig 7: Identifying Fuel Tank Band Mounting Bolts Tightening Sequence
    G07704570Courtesy of SUBARU OF AMERICA, INC.
  6. Install the rear suspension assembly.
    WARNING: A helper is required to perform this work.
    1. Support the rear differential with the transmission jack.
    2. Support the rear suspension assembly and install the rear suspension assembly to the body.

      Tightening torque: 

      T1: 70 N.m (7.1 kgf-m, 51.6 ft-lb) 

      T2: 145 N.m (14.8 kgf-m, 106.9 ft-lb) 

      Fig 8: Identifying Rear Suspension Assembly Mounting Screws
      G07704571Courtesy of SUBARU OF AMERICA, INC.
    3. Install the rear shock absorber to the rear suspension arm.
      NOTE: Use a new self-locking nut.

      Tightening torque: 

      120 N.m (12.2 kgf-m, 88.5 ft-lb) 

      Fig 9: Locating Rear Shock Absorber Mounting Bolt And Nut
      G07704572Courtesy of SUBARU OF AMERICA, INC.
  7. Connect the connectors to oil temperature switch (A) and ground (B), and secure the harness with clips (C).
    Fig 10: Identifying Oil Temperature Switch, Ground And Clips
    G07704573Courtesy of SUBARU OF AMERICA, INC.
  8. Install the parking brake cable clamp to the body.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

    Fig 11: Locating Parking Brake Cable Clamp
    G07704574Courtesy of SUBARU OF AMERICA, INC.
  9. Connect the connector to the rear ABS wheel speed sensor.
    Fig 12: Locating Rear ABS Wheel Speed Sensor Connector
    G07704575Courtesy of SUBARU OF AMERICA, INC.
  10. Install the heat shield cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

  11. Install the fuel tank protector.

    Tightening torque: 

    Nut: 9 N.m (0.9 kgf-m, 6.6 ft-lb) 

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

  12. Install the propeller shaft. < Refer to INSTALLATION , Propeller Shaft. >
  13. Install the rear exhaust pipe and muffler. < Refer to INSTALLATION , Rear Exhaust Pipe. > < Refer to INSTALLATION , Muffler. >
  14. Lower the vehicle.
  15. Connect the parking brake cable to the parking brake assembly. < Refer to INSTALLATION , Parking Brake Assembly (Rear Disc Brake). >
  16. Install the rear disc brake assembly.

    Tightening torque: 

    65 N.m (6.6 kgf-m, 47.9 ft-lb) 

    Fig 13: Locating Rear Disc Brake Assembly With Mounting Bolts
    G07704576Courtesy of SUBARU OF AMERICA, INC.
  17. Install the rear brake hose bracket to the rear housing.

    Tightening torque: 

    33 N.m (3.4 kgf-m, 24.3 ft-lb) 

    Fig 14: Locating Rear Brake Hose Bracket Mounting Bolt
    G07704577Courtesy of SUBARU OF AMERICA, INC.
  18. Attach the rear ABS wheel speed sensor to the rear housing.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    Fig 15: Locating Rear ABS Wheel Speed Sensor Mounting Bolt
    G07704578Courtesy of SUBARU OF AMERICA, INC.
  19. Install the rear wheels.

    Tightening torque: 

    100 N.m (10.2 kgf-m, 73.8 ft-lb) 

  20. Connect the quick connector of fuel delivery tube (A) and fuel return tube (B). < Refer to INSTALLATION , Fuel Delivery, Return and Evaporation Lines. >
    NOTE: When connecting, be careful not to reverse the delivery side and return side.
    Fig 16: Identifying Fuel Delivery Tube And Fuel Return Tube
    G07704579Courtesy of SUBARU OF AMERICA, INC.
  21. Install the service hole cover of fuel sub level sensor.
    Fig 17: Locating Service Hole Cover Mounting Screws
    G07704580Courtesy of SUBARU OF AMERICA, INC.
  22. Attach the service hole cover of the fuel pump, and attach the connector and clip.
    Fig 18: Identifying Fuel Pump Connector, Clip, Screw And Grommet
    G07704581Courtesy of SUBARU OF AMERICA, INC.
  23. Install the rear seat cushion. < Refer to INSTALLATION , Rear Seat. >
  24. Connect the battery ground terminal.
    Fig 19: Connecting Ground Cable From Battery
    G07704582Courtesy of SUBARU OF AMERICA, INC.
  25. Inspect the wheel alignment and adjust if necessary.