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Home >> Subaru >> 2015 >> XV Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (Except Hybrid) >> Intake Manifold >> Installation
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Intake Manifold: Installation

  1. Install the engine wiring harness. < Ref. to INSTALLATION , Engine Wiring Harness.>
  2. Install the intake manifold to the tumble generator valve assembly.
    NOTE: Use a new gasket.

    Tightening torque: 

    8.3 N.m (0.8 kgf-m, 6.1 ft-lb) 

    Fig 1: Locating Tumble Generator Valve Assembly Mounting Bolts
    G09475488Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the fuel delivery tube and evaporation hose.
    1. Connect the evaporation hose to fuel pipe assembly.
      Fig 2: Locating Evaporation Hose Clamp From Fuel Pipe Assembly
      G09475487Courtesy of SUBARU OF AMERICA, INC.
    2. Connect the quick connector of the fuel delivery tube to the fuel pipe assembly, and secure the fuel delivery tube using clip (A).
      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, make sure to insert the pipe all the way in before locking the slider.
      • When it is difficult to lock the slider, check that the pipe is fully inserted.
      • Make sure that the quick connector is securely connected.
      NOTE: Connect the quick connector as shown in the figure.
      Fig 3: Connecting Quick Connector
      G09476948Courtesy of SUBARU OF AMERICA, INC.
      Fig 4: Securing Fuel Delivery Tube Using Clip
      G09476943Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the fuel delivery pipe to the fuel pipe LH.
    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, make sure to insert the pipe all the way in before locking the slider.
    • When it is difficult to lock the slider, check that the pipe is fully inserted.
    • Make sure that the quick connector is securely connected.
    NOTE: Connect the quick connector as shown in the figure.
    Fig 5: Connecting Quick Connector
    G09476950Courtesy of SUBARU OF AMERICA, INC.
    Fig 6: Locating Fuel Delivery Pipe
    G08315345Courtesy of SUBARU OF AMERICA, INC.
  5. Install the intake manifold protector LH.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 7: Locating Intake Manifold Protector LH Mounting Bolts
    G08315343Courtesy of SUBARU OF AMERICA, INC.
  6. Connect the fuel delivery pipe to the fuel pipe RH.
    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, make sure to insert the pipe all the way in before locking the slider.
    • When it is difficult to lock the slider, check that the pipe is fully inserted.
    • Make sure that the quick connector is securely connected.
    NOTE: Connect the quick connector as shown in the figure.
    Fig 8: Connecting Quick Connector
    G09476953Courtesy of SUBARU OF AMERICA, INC.
    Fig 9: Locating Fuel Delivery Pipe To Fuel Pipe RH
    G08315342Courtesy of SUBARU OF AMERICA, INC.
  7. Install the intake manifold protector RH.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 10: Locating Intake Manifold Protector RH Mounting Bolts
    G08315340Courtesy of SUBARU OF AMERICA, INC.
  8. Install the air intake case (rear).
    Fig 11: Locating Air Intake Case (Rear) Clamp
    G08315339Courtesy of SUBARU OF AMERICA, INC.
  9. Install the clip (B) which secures the air flow and intake air temperature sensor harness, and connect the connector (A) to the air flow and intake air temperature sensor.
    Fig 12: Identifying Connector From Air Flow And Intake Air Temperature Sensor With Clip
    G08315338Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the brake booster vacuum hose to the intake manifold.
    Fig 13: Locating Brake Booster Vacuum Hose Clamp
    G09475476Courtesy of SUBARU OF AMERICA, INC.
  11. Connect the PCV hose (A) to intake manifold.
  12. Connect the connector (B) to the manifold absolute pressure sensor.
  13. Connect the connector (C) to the throttle position sensor.
    Fig 14: Identifying PCV Hose And Connector
    G08315336Courtesy of SUBARU OF AMERICA, INC.
  14. Connect the connector (A) to the purge control solenoid valve.
  15. Tighten the nut (C) and bolt (B) which hold EGR pipe to the water pipe assembly.
    NOTE:
    • Use a new gasket.
    • Always tighten the EGR pipe at (C) first, and then (B).

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 15: Identifying Connector With Nut And Bolt
    G08315335Courtesy of SUBARU OF AMERICA, INC.
  16. Install the preheater hose to the throttle body.
    Fig 16: Locating Preheater Hose Clamp From Throttle Body
    G08315334Courtesy of SUBARU OF AMERICA, INC.
  17. Install the air intake boot. < Ref. to INSTALLATION , Air Intake Boot.>
  18. Lift up the vehicle.
  19. Install the under cover. < Ref. to INSTALLATION , Front Under Cover.>
  20. Lower the vehicle.
  21. Connect the battery ground terminal.
    Fig 17: Connecting Battery Ground Terminal
    G08317298Courtesy of SUBARU OF AMERICA, INC.
  22. Fill engine coolant. < Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.>
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