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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 >> Removal

Intake Manifold: Removal

  1. Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel.>
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G08317298Courtesy of SUBARU OF AMERICA, INC.
  3. Open the fuel filler lid and remove the fuel filler cap.
  4. Lift up the vehicle.
  5. Remove the under cover. < Ref. to REMOVAL , Front Under Cover.>
  6. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. < Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.>
  7. Remove the clip (A) from the air intake boot.
  8. Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).
  9. Loosen the clamp (C) which connects the air intake boot and throttle body.
    Fig 2: Identifying Air Intake Boot Clamp And Clip
    G09475465Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the air intake boot from the throttle body, and move it to the left side wheel apron.
    Fig 3: Removing Air Intake Boot From Throttle Body
    G09476922Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the preheater hose from throttle body.
    Fig 4: Locating Preheater Hose Clamp From Throttle Body
    G08315334Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the connector (A) from the purge control solenoid valve.
  13. Loosen the bolt (B) which secures the EGR pipe to the intake manifold.
  14. Remove the nut (C) which holds EGR pipe from the water pipe assembly.
    Fig 5: Identifying Water Pipe Assembly Mounting Nut
    G08315335Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the PCV hose (A) from intake manifold.
  16. Disconnect the connector (B) from manifold absolute pressure sensor.
  17. Disconnect the connector (C) from the throttle position sensor.
    Fig 6: Identifying PCV Hose And Connector
    G08315336Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the brake booster vacuum hose from the intake manifold.
    Fig 7: Locating Brake Booster Vacuum Hose From Intake Manifold
    G09475476Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the connector (A) from the mass air flow and intake air temperature sensor, and remove the clip (B) which holds the mass air flow and intake air temperature sensor harness.
    Fig 8: Identifying Connector From Mass Air Flow And Intake Air Temperature Sensor With Clip
    G08315338Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the air cleaner case (rear).
    Fig 9: Locating Air Cleaner Case (Rear) Clamp
    G08315339Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the intake manifold protector RH.
    Fig 10: Locating Intake Manifold Protector RH Mounting Bolts
    G08315340Courtesy of SUBARU OF AMERICA, INC.
  22. Disconnect the fuel delivery pipe from the fuel pipe RH.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the pipes using a container or cloth.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 11: Disconnecting Quick Connector
    G09476937Courtesy of SUBARU OF AMERICA, INC.
    Fig 12: Locating Fuel Delivery Pipe
    G08315342Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the intake manifold protector LH.
    Fig 13: Locating Intake Manifold Protector LH Mounting Bolt
    G08315343Courtesy of SUBARU OF AMERICA, INC.
  24. Disconnect the fuel delivery pipe from the fuel pipe LH.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the pipes using a container or cloth.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 14: Disconnecting Quick Connector
    G09476940Courtesy of SUBARU OF AMERICA, INC.
    Fig 15: Locating Fuel Delivery Pipe
    G08315345Courtesy of SUBARU OF AMERICA, INC.
  25. Disconnect the fuel delivery tube and evaporation hose.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the tubes using a container or cloth.
    1. Disconnect the quick connector on the fuel delivery tube from the fuel pipe assembly, and remove the clip (A) securing the fuel delivery tube.
      NOTE: Disconnect the quick connector as shown in the figure.
      Fig 16: Disconnecting Quick Connector
      G09476942Courtesy of SUBARU OF AMERICA, INC.
      Fig 17: Locating Quick Connector On Fuel Delivery Tube
      G09476943Courtesy of SUBARU OF AMERICA, INC.
    2. Disconnect the evaporation hose from the fuel pipe assembly.
      Fig 18: Locating Evaporation Hose Clamp From Fuel Pipe Assembly
      G09475487Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the intake manifold from the tumble generator valve assembly.
    Fig 19: Locating Tumble Generator Valve Assembly Mounting Bolts
    G09475488Courtesy of SUBARU OF AMERICA, INC.
  27. Remove the engine wiring harness. < Ref. to REMOVAL , Engine Wiring Harness.>
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