Intake Manifold: Removal

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

Fig 1: Disconnecting Ground Cable Of Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the air cleaner case and air intake chamber. Refer to REMOVAL , Air Cleaner Case . Refer to REMOVAL , Air Intake Chamber .
Remove the generator. Refer to REMOVAL , Generator .
Disconnect the spark plug cord from the spark plug.
Disconnect the engine coolant hoses (A) from throttle body.

Fig 2: Identifying Engine Coolant Hoses And Throttle Body
Courtesy of SUBARU OF AMERICA, INC.
Disconnect brake booster vacuum hose (A).

Fig 3: Identifying Brake Booster Vacuum Hose
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Disconnect the PCV hose (A) from intake manifold.

Fig 4: Identifying PCV Hose
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Remove the bolt and disconnect the engine harness connector from the bulkhead harness connector and rear engine hanger.

Fig 5: Locating Rear Engine Hanger And Bolt
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Slide the bulkhead harness connector in the direction of the arrow and remove the rear engine hanger.

Fig 6: Sliding Bulkhead Harness Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connectors from the engine coolant temperature sensor.

Fig 7: Identifying Engine Coolant Temperature Sensor Connectors
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Disconnect the knock sensor connector.

Fig 8: Identifying Knock Sensor Connector
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Disconnect the connector from crankshaft position sensor.

Fig 9: Identifying Crankshaft Position Sensor
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Disconnect the connector from power steering pump switch (A).
Disconnect the connector from the oil pressure switch (B).

Fig 10: Identifying Oil Pressure Switch And Power Steering Pump Switch
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Disconnect the connector from the camshaft position sensor.

Fig 11: Identifying Camshaft Position Sensor
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Disconnect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B) and remove the clip (C) fastening the harness.

Fig 12: Identifying Front Oxygen (A/F) Sensor Connector, Rear Oxygen Sensor Connector And Clip
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Remove the EGR pipe from intake manifold.

Fig 13: Identifying EGR Pipe And Intake Manifold
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Disconnect the fuel hoses from fuel pipe.
1. Disconnect the quick connector on the fuel delivery line by pushing the ST in the direction of the arrow.
  ST 42099AE000 QUICK CONNECTOR RELEASE
2. Remove the clip and disconnect the evaporation hose from the pipe.
  CAUTION:
  - Be careful not to spill fuel.
  - Catch the fuel from hoses using a container or cloth.
  Fig 14: Locating Evaporation Hose Of Pipe
  Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts which secure intake manifold to cylinder head.

Fig 15: Locating Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold.