Intake Manifold: Removal

Release the fuel pressure. Refer to RELEASING OF FUEL PRESSURE .
Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Open the fuel filler lid and remove the fuel filler cap.
Lift up the vehicle.
Remove the under cover. Refer to REMOVAL .
Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Refer to DRAINING OF ENGINE COOLANT .
Remove the clip (A) from the air intake boot.
Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).
Loosen the clamp (C) which connects the air intake boot and throttle body.

Fig 2: Identifying Air Intake Boot Clip And Clamp
Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake boot from the throttle body, and move it to the left side wheel apron.

Fig 3: Identifying Air Intake Boot And Throttle Body
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the preheater hose from throttle body.

Fig 4: Locating Preheater Hose Clips
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector (A) from the purge control solenoid valve.
Loosen the bolt (B) which secures the EGR pipe to the intake manifold.
Remove the nut (C) which holds EGR pipe from the water pipe assembly.

Fig 5: Identifying Purge Control Solenoid Valve Connector, Bolt And Nut
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the vacuum hose (A) from intake manifold.
Disconnect the connector (B) from manifold absolute pressure sensor.
Disconnect the connector (C) from the throttle position sensor.

Fig 6: Identifying Intake Manifold Vacuum Hose, Throttle Position And Manifold Absolute Pressure Sensor Connectors
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the brake booster vacuum hose from the intake manifold.

Fig 7: Locating Brake Booster Vacuum Hose Clip
Courtesy of SUBARU OF AMERICA, INC.
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.
Remove the suction hose (C) from the air cleaner case (rear).

Fig 8: Identifying Suction Hose, Clip, Mass Air Flow And Intake Air Temperature Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove the air cleaner case (rear).

Fig 9: Identifying Air Cleaner Case Clamp
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold protector RH.

Fig 10: Locating Intake Manifold Protector Bolts (RH)
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the fuel delivery pipe from the fuel pipe RH.
NOTE: Disconnect the quick connector as shown in the figure.

Fig 11: Disconnecting Quick Connector
Courtesy of SUBARU OF AMERICA, INC.

Fig 12: Locating Quick Connector
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Remove the intake manifold protector LH.

Fig 13: Locating Intake Manifold Protector Bolts (LH)
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the fuel delivery pipe from the fuel pipe LH.
NOTE: Disconnect the quick connector as shown in the figure.

Fig 14: Disconnecting Quick Connector
Courtesy of SUBARU OF AMERICA, INC.

Fig 15: Locating Quick Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the fuel delivery hose (A) and evaporation hose (B).
CAUTION:
- Be careful not to spill fuel.
- Catch the fuel from hoses using a container or cloth.
1. Attach ST to the fuel delivery pipe and push ST in the direction of arrow mark to disconnect the quick connector of the fuel delivery hose (A).
  ST 42099AE000 QUICK CONNECTOR RELEASE
2. Remove the clip and disconnect the evaporation hose (B) from the evaporation pipe.
  
  Fig 16: Disconnecting Fuel Delivery Hose Quick Connector
  Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold from the tumble generator valve assembly.

Fig 17: Locating Tumble Generator Valve Assembly Bolts
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the engine, and then remove the engine harness.
NOTE: Refer to ENGINE HARNESS for how to disconnect the engine harness connectors.

Fig 18: Locating Engine Harness Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.