Intake Manifold: Removal

Remove the collector cover.
Collect the refrigerant from A/C system. < Ref. to PROCEDURE , Refrigerant Recovery Procedure. >
Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel. >
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. < Ref. to REMOVAL , Front Under Cover. >
Drain approximately 3.0 l (3.2 US qt, 2.6 Imp qt) of coolant. < Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
Remove the air intake duct (rear) and air cleaner case. < Ref. to REMOVAL , Air Intake Duct. > < Ref. to REMOVAL , Air Cleaner Case. >
Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
Remove the generator. < Ref. to REMOVAL , Generator. >
Remove the coolant filler tank. < Ref. to REMOVAL , Coolant Filler Tank. >
Disconnect the A/C pressure hoses from A/C compressor. < Ref. to REMOVAL , Hose and Pipe. >
Disconnect the brake booster vacuum hose.

Fig 2: Locating Brake Booster Vacuum Hose
Courtesy of SUBARU OF AMERICA, INC.
Remove the brake booster vacuum hose from the clip (A), and remove the bolts securing the air bypass pipe to the intake manifold.

Fig 3: Locating Air By-Pass Pipe Bolts To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts securing the PCV pipe assembly to the intake manifold, and remove the intake duct from the throttle body.

Fig 4: Locating PCV Pipe Assembly Bolts And Intake Duct
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the engine coolant hose from throttle body.

Fig 5: Locating Engine Coolant Hose From Throttle Body
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the vacuum hose from nipple.

Fig 6: Locating Vacuum Hose From Nipple
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the air control hose (A) from the waste gate actuator, and loosen the clamp which holds the intake duct to the turbocharger.

Fig 7: Identifying Air Control Hose
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector (A) from the PCV hose assembly and the connector (B) from the knock sensor.

Fig 8: Identifying PCV Hose Assembly Connector And Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the PCV hose assembly B and PCV hose assembly C.

Fig 9: Identifying PCV Hose Assembly B And PCV Hose Assembly C Connectors
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the bulkhead harness connectors from the engine harness connectors.

Fig 10: Locating Bulkhead Harness Connectors From Engine Harness Connectors
Courtesy of SUBARU OF AMERICA, INC.
Remove the engine harness connector from the engine harness bracket.

Fig 11: Locating Engine Harness Connector From Engine Harness Bracket
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector (A) from the engine coolant temperature sensor, connector (B) from the oil pressure switch, and connector (C) from the crankshaft position sensor.

Fig 12: Identifying Engine Coolant Temperature Sensor Connector And Oil Pressure Switch Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from power steering pump switch.

Fig 13: Locating Power Steering Pump Switch Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the secondary air combination valve.

Fig 14: Locating Secondary Air Combination Valve Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from camshaft position sensor.

Fig 15: Locating Camshaft Position Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the oil flow control solenoid valve.

Fig 16: Locating Oil Flow Control Solenoid Valve Connector
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Disconnect the connector from ignition coil.

Fig 17: Locating Ignition Coil Connector
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Disconnect the connector from the front oxygen (A/F) sensor, and remove the clip (A) and stay (B) which hold the engine harness to the rocker cover RH.

Fig 18: Locating Front Oxygen (A/F) Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Attach ST to the fuel delivery pipe and push ST in the direction of arrow mark to disconnect the fuel delivery hose.
ST 42099AE000 QUICK CONNECTOR RELEASE
CAUTION:
- Be careful not to spill fuel.
- Catch the fuel from hoses using a container or cloth.
  
  Fig 19: Attaching ST To Fuel Delivery Pipe
  Courtesy of SUBARU OF AMERICA, INC.
Disconnect the fuel return hose using the ST.
ST 18371AA000 CONNECTOR REMOVER
CAUTION:
- Be careful not to spill fuel.
- Catch the fuel from hoses using a container or cloth.
1. Attach ST to the fuel return pipe as shown in the figure.
  
  Fig 20: Attaching ST To Fuel Return Pipe
  Courtesy of SUBARU OF AMERICA, INC.
2. Insert the front side of ST into the quick connector.
  
  Fig 21: Inserting Front Side Of ST Into Quick Connector
  Courtesy of SUBARU OF AMERICA, INC.
3. Insert the back side of ST into the quick connector and push ST in the direction of arrow mark to disconnect the fuel return hose.
  
  Fig 22: Inserting Back Side Of ST Into Quick Connector
  Courtesy of SUBARU OF AMERICA, INC.
Remove the clip and disconnect the evaporation hose from the fuel pipe.

Fig 23: Locating Clip And Evaporation Hose From Fuel Pipe
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold from cylinder head.

Fig 24: Locating Intake Manifold From Cylinder Head Bolts
Courtesy of SUBARU OF AMERICA, INC.