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Home >> Subaru >> 2009 >> Forester X, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4SO) >> Intake Manifold >> Installation
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Intake Manifold: Installation

  1. Install the intake manifold onto cylinder heads.
    NOTE: Use a new gasket.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    Fig 1: Locating Intake Manifold Bolts
    G05659394Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the fuel delivery hose and evaporation hose to the fuel pipe. Refer to INSTALLATION , Fuel Delivery and Evaporation Line .
    NOTE: If fuel hoses or clamps are damaged, replace them with new parts.
  3. Install the EGR pipe to intake manifold.

    Tightening torque: 

    34 N.m (3.5 kgf-m, 25.1 ft-lb) 

    Fig 2: Identifying EGR Pipe To Intake Manifold
    G05332711Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the following connector and fasten the harness with clips.
    1. Front oxygen (A/F) sensor connector
    2. Rear oxygen sensor connector
    Fig 3: Identifying Front/Rear Oxygen (A/F) Sensor Connector And Clip
    G05953692Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the connectors to camshaft position sensor.
    Fig 4: Identifying Camshaft Position Sensor
    G04997339Courtesy of SUBARU OF AMERICA, INC.
  6. Connect the connector to the power steering pump switch (A).
  7. Connect the connector to the oil pressure switch (B).
    Fig 5: Identifying Oil Pressure Switch And Power Steering Pump Switch
    G05659390Courtesy of SUBARU OF AMERICA, INC.
  8. Connect the connector to crankshaft position sensor.
    Fig 6: Identifying Crankshaft Position Sensor And Connector
    G05953695Courtesy of SUBARU OF AMERICA, INC.
  9. Connect the knock sensor connector.
    Fig 7: Identifying Knock Sensor Connector
    G05659388Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the connector to engine coolant temperature sensor.
    Fig 8: Identifying Engine Coolant Temperature Sensor
    G04997335Courtesy of SUBARU OF AMERICA, INC.
  11. Connect the PCV hose (A) to intake manifold.
    Fig 9: Identifying PCV Hose
    G05953678Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the engine harness connector to the bulkhead harness connector and fasten to the rear engine hanger with bolt.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 10: Locating Rear Engine Hanger And Bolt
    G05953679Courtesy of SUBARU OF AMERICA, INC.
  13. Connect the brake booster vacuum hose (A).
    Fig 11: Identifying Brake Booster Vacuum Hose
    G04997333Courtesy of SUBARU OF AMERICA, INC.
  14. Connect the engine coolant hoses (A) to throttle body.
    Fig 12: Identifying Engine Coolant Hoses And Throttle Body
    G04997332Courtesy of SUBARU OF AMERICA, INC.
  15. Connect the spark plug cords to spark plugs.
  16. Install the generator. Refer to INSTALLATION , Generator .
  17. Install the air cleaner case and air intake chamber. Refer to INSTALLATION , Air Cleaner Case .Refer to INSTALLATION , Air Intake Chamber .
  18. Install the fuse of fuel pump relay to the main fuse box.
  19. Connect the battery ground cable to battery.
Fig 13: Disconnecting Ground Cable Of Battery
G05019586Courtesy of SUBARU OF AMERICA, INC.