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Intake Manifold: Assembly

  1. Apply liquid gasket to the nipple threads, and install the nipple to the intake manifold.

    Liquid gasket: 

    THREE BOND 1105 (Part No. 004403010) or equivalent 

    Tightening torque: 

    T1: 17 N.m (1.7 kgf-m, 12.5 ft-lb) 

    T2: 25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    Fig 1: Locating Liquid Gasket Application Nipple Threads Of Intake Manifold
    G08538706Courtesy of SUBARU OF AMERICA, INC.
  2. Install the tumble generator valve assembly onto intake manifold.
    NOTE: Use a new gasket.

    Tightening torque: 

    8.3 N.m (0.8 kgf-m, 6.1 ft-lb) 

    Fig 2: Locating Tumble Generator Valve Assembly Bolts
    G06344612Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake duct to the intake manifold.

    Tightening torque: 

    17 N.m (1.7 kgf-m, 12.5 ft-lb) 

    Fig 3: Removing Intake Duct From Intake Manifold
    G11571522Courtesy of SUBARU OF AMERICA, INC.
  4. Install the fuel pipe assembly to the intake manifold.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 4: Locating Fuel Pipe Assembly Bolts
    G05333518Courtesy of SUBARU OF AMERICA, INC.
  5. Install the fuel injector pipe LH and connect the LH side fuel hose to the fuel injector pipe LH. <Ref. to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines.>
    NOTE: Use a new fuel hose.
    Fig 5: Locating Clamp Holding LH Side Fuel Hose
    G08538701Courtesy of SUBARU OF AMERICA, INC.
  6. Install the fuel injector pipe RH and connect the RH side fuel hose to the fuel injector pipe RH. <Ref. to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines.>
    NOTE: Use a new fuel hose.
    Fig 6: Locating Clamp Holding RH Side Fuel Hose Connector
    G08538700Courtesy of SUBARU OF AMERICA, INC.
  7. Install the engine harness to the intake manifold and attach the harness brackets holding the engine harness.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 7: Locating Engine Harness Brackets
    G06344607Courtesy of SUBARU OF AMERICA, INC.
  8. Install the fuel injector.
    NOTE: Use new O-rings, rubbers and seal rings.
    Fig 8: Removing Fuel Injector
    G06344606Courtesy of SUBARU OF AMERICA, INC.
  9. Install the bolts which hold fuel injector pipe.
    • RH side

      Tightening torque: 

      19 N.m (1.9 kgf-m, 14.0 ft-lb) 

      Fig 9: Locating Fuel Injector Pipe Bolts (RH Side)
      G06344603Courtesy of SUBARU OF AMERICA, INC.
    • LH side

      Tightening torque: 

      6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

      Fig 10: Locating Fuel Injector Pipe Bolts (LH Side)
      G06344604Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 11: Fuel Injector Pipe Bolts (LH Side)
    G06344605Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the connector to the tumble generator valve assembly.
    Fig 12: Locating Connector Of Tumble Generator Valve Assembly
    G08538694Courtesy of SUBARU OF AMERICA, INC.
  11. Connect the connectors to the fuel injector.
    Fig 13: Locating Fuel Injector Connector
    G06344601Courtesy of SUBARU OF AMERICA, INC.
  12. Secure the engine harness to the fuel injector pipe with the harness band (A).
    • RH side
      Fig 14: Locating Fuel Injector Pipe Harness Band - RH Side
      G08538691Courtesy of SUBARU OF AMERICA, INC.
    • LH side
      Fig 15: Locating Fuel Injector Pipe Harness Band - LH Side
      G08538692Courtesy of SUBARU OF AMERICA, INC.
  13. Install the throttle body to the intake manifold.
    NOTE: Use a new gasket.

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.9 ft-lb) 

    Fig 16: Locating Throttle Body Bolts
    G08538690Courtesy of SUBARU OF AMERICA, INC.
  14. Secure the engine harness and vacuum hose using the clip (A), and secure the engine harness to the engine harness stay using the clip (B), and install the bolt which holds the engine harness to the intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 17: Locating Engine Harness And Vacuum Hose Clip
    G06344597Courtesy of SUBARU OF AMERICA, INC.
  15. Connect connector (A) to the throttle position sensor and connector (B) to the manifold pressure sensor.
    Fig 18: Locating Throttle Position Sensor Connector
    G08538688Courtesy of SUBARU OF AMERICA, INC.
  16. Install the engine ground terminal to intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 19: Locating Engine Ground Terminal
    G06344595Courtesy of SUBARU OF AMERICA, INC.
  17. Install the solenoid valve bracket together with the wastegate control solenoid valve.

    Tightening torque: 

    T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    T2: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 20: Locating Wastegate Control Solenoid Valve Bolts
    G11571544Courtesy of SUBARU OF AMERICA, INC.
  18. Connect the vacuum hose (B) to the intake duct, then connect the connector (A) to the wastegate control solenoid valve.
    Fig 21: Locating Wastegate Control Solenoid Valve Connector
    G11571504Courtesy of SUBARU OF AMERICA, INC.
  19. Install purge control solenoid valve 1 and purge control solenoid valve 2.
    NOTE: Connect the vacuum hose and vacuum control hose as shown in the figure.
    Fig 22: Vacuum Hose And Vacuum Control Hose Installing Position
    G11571546Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    T2: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 23: Locating Purge Control Solenoid Valve Connector
    G08538728Courtesy of SUBARU OF AMERICA, INC.
  20. Attach the connector to the PCV hose assembly.
    Fig 24: Locating PCV Hose Assembly Connector
    G08538683Courtesy of SUBARU OF AMERICA, INC.
  21. Install the connector to the intake duct.
    Fig 25: Installing Connector To Intake Duct
    G11571549Courtesy of SUBARU OF AMERICA, INC.
  22. Install the fuel pipe protector LH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 26: Locating Fuel Pipe Protector LH Bolts
    G08538681Courtesy of SUBARU OF AMERICA, INC.
  23. Install the fuel pipe protector RH, and secure the engine harness to the fuel pipe protector RH using the clip (A).

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 27: Locating Fuel Pipe Protector RH Clamp
    G08538680Courtesy of SUBARU OF AMERICA, INC.