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Set the vehicle on a lift.
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.
Open the fuel filler lid and remove the fuel filler cap.
Lift up the vehicle.
Remove the under cover RH.
Drain approximately 3.0L (3.2 US qt, 2.6 Imp qt) of engine coolant. Ref. to REPLACEMENT .
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
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the PCV hose (A) from intake manifold.

Fig 4: Identifying PCV Hose
Courtesy of SUBARU OF AMERICA, INC.
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
Courtesy of SUBARU OF AMERICA, INC.
Slide the engine harness connector in the direction of the arrow and remove it from 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
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the knock sensor connector.

Fig 8: Identifying Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from crankshaft position sensor.

Fig 9: Identifying Crankshaft Position Sensor
Courtesy of SUBARU OF AMERICA, INC.
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
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the camshaft position sensor.

Fig 11: Identifying Camshaft Position Sensor
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B).

Fig 12: Identifying Front Oxygen (A/F) Sensor Connector And Rear Oxygen Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the oil switching solenoid valve.
Disconnect the connector from the variable valve lift diagnosis oil pressure switch
- LH side
  
  Fig 13: Locating Variable Valve Lift Diagnosis Oil Pressure Switch Connector - LH Side
  Courtesy of SUBARU OF AMERICA, INC.
- RH side
  
  Fig 14: Locating Variable Valve Lift Diagnosis Oil Pressure Switch Connector - RH Side
  Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from oil temperature sensor.

Fig 15: Locating Oil Temperature Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove the EGR pipe from intake manifold.

Fig 16: Identifying EGR Pipe And Intake Manifold
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 17: Locating Evaporation Hose Of Pipe
  Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold from cylinder head.

Fig 18: Locating Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.

Safety Warning

Intake Manifold: Removal

Use the Manual With the Right Hardware

When to See a Mechanic