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Home >> Subaru >> 2006 >> Forester XT Limited, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4DOTC) >> Intake Manifold >> Assembly
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Intake Manifold: Assembly

NOTE: Replace with a new gasket.
  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 Bolts
    G04998320
  2. Install the air intake duct to the intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 2: Locating Intake Duct
    G04998319
  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: Locating Bolts Installing Fuel Pipe Assembly On Intake Manifold
    G04998318
  4. Install the fuel injector pipe LH.
  5. Connect the left side 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
    G04998316
  6. Install the fuel injector pipe RH.
  7. Connect the fuel hose RH to the 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)
    G04998317
  8. Install the engine harness onto intake manifold.
  9. Install the harness bracket which holds the engine harness onto intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 6: Locating Harness Bracket
    G04998315
  10. Tighten the bolts which secure fuel injector pipe onto intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    • LH side
    Fig 7: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (LH)
    G04998310
    Fig 8: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (LH)
    G04998311
    • RH side
    Fig 9: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (RH)
    G04998312
    Fig 10: Locating Bolt Holding Fuel Injector Pipe Onto Intake Manifold (RH)
    G04998313
  11. Tighten the two bolts which install the fuel pipe on the left side of intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 11: Locating Bolts Holding Fuel Pipes On Left Side Of Intake Manifold
    G04998309
  12. Connect the evaporation hose to the purge valve.
    NOTE: Connect the evaporation hose as shown in the figure.
    Fig 12: Position For Connecting Evaporation Hose
    G04993327
  13. Connect the evaporation hose and purge valve to the intake manifold.
    Fig 13: Identifying Evaporation Hose And Purge Valve On Intake Manifold
    G04998308
  14. Install the purge control solenoid valve.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 14: Locating Purge Control Solenoid Valve Connector
    G04998307
  15. Connect the hose to the purge control solenoid valve.
    NOTE: Connect the evaporation hose as shown in the figure.
    Fig 15: Connecting Evaporation Hose
    G04993330
  16. Connect the connector to the purge control solenoid valve.
  17. Connect the connector to the tumble generator valve sensor.
    Fig 16: Locating Tumble Generator Valve Sensor Connector
    G04998306
  18. Connect the connector to the tumble generator valve actuator.
    Fig 17: Locating Tumble Generator Valve Actuator Connector
    G04998305
  19. Connect the connector to the fuel injector.
    Fig 18: Locating Fuel Injector Connectors
    G04998304
  20. Install the throttle body to intake manifold.
    NOTE: Replace with a new gasket.

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.8 ft-lb) 

    Fig 19: Locating Bolts Securing Throttle Body To Intake Manifold
    G04998255
  21. Connect the connector to the throttle position sensor (A), and the manifold pressure sensor (B).
    Fig 20: Identifying Throttle Position And Manifold Absolute Pressure Sensor
    G04998253
  22. Install the engine ground terminal to the intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 21: Locating Engine Ground Terminal On Intake Manifold
    G04998300
    Fig 22: Locating Engine Ground Terminal On Intake Manifold
    G04998301
  23. Install the fuel pipe protector RH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 23: Locating Fuel Pipe Protector With Bolts (RH)
    G04998298
  24. Install the fuel pipe protector LH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

Fig 24: Locating Fuel Pipe Protector With Bolts (LH)
G04998299