Intake Manifold: Assembly

1. Install the tumble generator valve assembly onto intake manifold.

   Tightening torque: 

   8.25 N.m (0.84 kgf-m, 6.1 ft-lb) 

   Fig 1: Locating Tumble Generator Valve Assembly

   Courtesy of SUBARU OF AMERICA, INC.
2. Install the air intake duct to the intake manifold.

   Tightening torque: 

   19 N.m (1.94 kgf-m, 14.0 ft-lb) 

   Fig 2: Locating Air Intake Duct For Intake Manifold

   Courtesy of SUBARU OF AMERICA, INC.
3. Install the fuel pipe assembly and pressure regulator to intake manifold.

   Tightening torque: 

   6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

   Fig 3: Identifying Fuel Pipe Assembly And Pressure Regulator

   Courtesy of SUBARU OF AMERICA, INC.
4. Install the fuel injector pipe LH.
5. Connect the fuel hose LH to the injector pipe, and tighten the clamp screw.

   Tightening torque: 

   1.25 N.m (0.13 kgf-m, 0.94 ft-lb) 

   Fig 4: Locating Fuel Hose Clamp

   Courtesy of SUBARU OF AMERICA, INC.
6. Install the fuel injector pipe RH.
7. Connect the fuel hose RH to the fuel injector pipe, and tighten the clamp screw.

   Tightening torque: 

   1.25 N.m (0.13 kgf-m, 0.94 ft-lb) 

   Fig 5: Locating Clamp Holding Fuel Hose To Fuel Injector Pipe (RH)

   Courtesy of SUBARU OF AMERICA, INC.
8. Install the engine harness to the intake manifold.
9. Install the harness bracket which holds the engine harness to intake manifold.

   Tightening torque: 

   19 N.m (1.94 kgf-m, 14.0 ft-lb) 

   Fig 6: Locating Harness Bracket

   Courtesy of SUBARU OF AMERICA, INC.
10. Install the fuel injector.
    Fig 7: Holding Fuel Injector

    Courtesy of SUBARU OF AMERICA, INC.
11. Tighten the bolts which secure fuel injector pipe onto intake manifold.

    Tightening torque: 

    19 N.m (1.94 kgf-m, 14.0 ft-lb) 

    • LH side
      Fig 8: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (LH)

      Courtesy of SUBARU OF AMERICA, INC.
      Fig 9: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (LH)

      Courtesy of SUBARU OF AMERICA, INC.
    • RH side
    Fig 10: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (RH)
    Courtesy of SUBARU OF AMERICA, INC.
    Fig 11: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (RH)

    Courtesy of SUBARU OF AMERICA, INC.
12. Tighten the two bolts which install the fuel pipe on the LH side of intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 12: Locating Bolts Holding Fuel Pipes On Left Side Of Intake Manifold

    Courtesy of SUBARU OF AMERICA, INC.
13. Install the purge control solenoid valve. <Ref. to INSTALLATION , Purge Control Solenoid Valve .>
14. Connect the connector to the tumble generator valve assembly.
    • Except for STI model
      Fig 13: Identifying Connector For Tumble Generator Valve Sensor

      Courtesy of SUBARU OF AMERICA, INC.
      Fig 14: Identifying Connector For Tumble Generator Valve Actuator

      Courtesy of SUBARU OF AMERICA, INC.
    • STI model
    Fig 15: Identifying Connector For Tumble Generator Valve Actuator (STI Model)
    Courtesy of SUBARU OF AMERICA, INC.
15. Connect the connector to the fuel injector.
    Fig 16: Identifying Locating Fuel Injector Connectors

    Courtesy of SUBARU OF AMERICA, INC.
16. Install the throttle body to intake manifold.
    NOTE: Use a new gasket.

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.8 ft-lb) 

    Fig 17: Locating Throttle Body

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17. Connect the connector to the throttle position sensor (A), and the manifold pressure sensor (B).
    Fig 18: Identifying Throttle Position And Manifold Absolute Pressure Sensor

    Courtesy of SUBARU OF AMERICA, INC.
18. Install the engine ground terminal to the intake manifold.

    Tightening torque: 

    19 N.m (1.94 kgf-m, 14.0 ft-lb) 

    Fig 19: Identifying Engine Ground Terminal

    Courtesy of SUBARU OF AMERICA, INC.
    Fig 20: Identifying Engine Ground Terminal

    Courtesy of SUBARU OF AMERICA, INC.
19. Install the fuel pipe protector RH.

    Tightening torque: 

    19 N.m (1.94 kgf-m, 14.0 ft-lb) 

    • Except for STI model
      Fig 21: Locating Fuel Pipe Protector With Bolts (RH)

      Courtesy of SUBARU OF AMERICA, INC.
    • STI model
    Fig 22: Locating Fuel Pipe Protector With Bolts (RH) For STI Model
    Courtesy of SUBARU OF AMERICA, INC.
20. Install the fuel pipe protector LH.

Tightening torque: 

19 N.m (1.94 kgf-m, 14.0 ft-lb) 

• Except for STI model
  Fig 23: Locating Fuel Pipe Protector With Bolts (LH)

  Courtesy of SUBARU OF AMERICA, INC.
• STI model
Fig 24: Locating Fuel Pipe Protector With Bolts (LH) For STI Model
Courtesy of SUBARU OF AMERICA, INC.