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Home >> Subaru >> 2018 >> Outback 3.6R Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System (H6DO) >> Intake Manifold >> Removal
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Intake Manifold: Removal

  1. Remove the collector cover.
    1. Carefully pull up the rear of collector cover at two positions (A).
    2. Carefully pull up the front of collector cover at two positions (B) while moving it forward.
      G11585612Courtesy of SUBARU OF AMERICA, INC.
  2. Release the fuel pressure. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H6DO)>Fuel>PROCEDURE>RELEASING OF FUEL PRESSURE .
  3. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  4. Open the fuel filler lid and remove the fuel filler cap.
    NOTE: This operation is required to release the inner pressure of the fuel tank.
  5. Disconnect the brake booster vacuum hose.
    G10263536Courtesy of SUBARU OF AMERICA, INC.
  6. Loosen the clamp (A) securing the air intake boot.
  7. Remove the bolt (B) securing the air intake boot to the collector cover bracket.
    G11585613Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the air intake boot from the throttle body and the air cleaner case (rear), and move it to the left side wheel apron.
    CAUTION: Be careful not to allow the air intake boot to contact the air conditioner pipe.
    G11585614Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the fuel injector. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H6DO)>Fuel Injector>REMOVAL .
  10. Disconnect the engine harness connector.
    G10263539Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the connector (A) from the throttle body, and remove the throttle body from the intake manifold.
    NOTE: Do not disconnect the preheater hose.
    G10263540Courtesy of SUBARU OF AMERICA, INC.
  12. 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. Remove the clip (A) securing the fuel delivery tube.
    2. Attach ST to the fuel pipe assembly and push ST in the direction of arrow mark to disconnect the quick connector of the fuel delivery tube (B).

      ST 42099AE000 QUICK CONNECTOR RELEASE 

    3. Disconnect the evaporation hose (C) from the fuel pipe assembly.
      G10263541Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the connectors from the oil temperature sensor, engine coolant temperature sensor and intake oil flow control solenoid valve LH.
    G10263542Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the clip securing the engine harness to the fuel injector pipe LH.
    G10263543Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the connector from the intake oil flow control solenoid valve RH.
    G10263544Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the clip securing the engine harness to the fuel injector pipe RH.
    G10263545Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the bolts securing the EGR pipe B to the EGR control valve.
    G10263546Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the intake manifold from cylinder head.
    • RH side
      G10263547Courtesy of SUBARU OF AMERICA, INC.
    • LH side
      G10263548Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the engine harness. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H6DO)>General Description>COMPONENT>ENGINE HARNESS .
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