Intake Manifold: Installation

Install the intake manifold onto cylinder heads.
NOTE: Use a new gasket.

Tightening torque:

25 N.m (2.5 kgf-m, 18.4 ft-lb)

Fig 1: Locating Intake Manifold Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the fuel delivery hose, fuel return hose, and evaporation hose.

Fig 2: Identifying Fuel Delivery Hose, Fuel Return Hose, And Evaporation Hose
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Fix the engine harness to the rocker cover LH with the air duct.
Tightening torque:

6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 3: Locating Air Duct Mounting Bolts
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Fix the engine harness to the rocker cover RH with clips (A).

Fig 4: Identifying Engine Harness Rocker Cover Clips
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Lift up the vehicle.
Connect connector (A) to the exhaust camshaft position sensor, connector (B) to the exhaust oil flow control solenoid valve, connector (C) to the ignition coil.

Fig 5: Identifying Exhaust Camshaft Position Sensor And Exhaust Oil Flow Control Solenoid Valve Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the engine harness cover, (right side only.)
Tightening torque:

5 N.m (0.5 kgf-m, 3.7 ft-lb)

Fig 6: Identifying Engine Harness Cover
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Connect the connector to the intake oil flow control solenoid valve.

Fig 7: Connecting Connector To Intake Oil Flow Control Solenoid Valve
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the intake camshaft position sensor.

Fig 8: Locating Intake Camshaft Position Sensor Connector
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Connect the connector to the secondary air combination valve.

Fig 9: Locating Secondary Air Combination Valve Connector
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Connect the connector to the knock sensor.

Fig 10: Locating Knock Sensor Connector
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Connect the connector to the power steering pump switch.

Fig 11: Locating Power Steering Pump Switch Connector
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Connect the connector (A) to the engine coolant temperature sensor, connector (B) to the oil pressure switch, and the connector (C) to the crankshaft position sensor.

Fig 12: Identifying Engine Coolant Temperature Sensor And Crankshaft Position Sensor Connector
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Install the engine harness connector to engine harness bracket, then connect the bulkhead harness connector to the engine harness connector.

Fig 13: Locating Bulkhead Harness Connectors
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Connect the air control hose (A) to the waste-gate actuator, and install the turbocharger to the intake duct.
Tightening torque:

3 N.m (0.3 kgf-m, 2.2 ft-lb)

Fig 14: Locating Air Control Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the brake booster vacuum hose (A) and pressure regulator vacuum hose (B) to the intake manifold.

Fig 15: Disconnecting Brake Booster Vacuum Hose And Pressure Regulator Vacuum Hose
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Connect the engine coolant hoses to throttle body.

Fig 16: Connecting Engine Coolant Hoses To Throttle Body
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Connect the vacuum hose (A) to the PCV hose assembly and the PCV hose assembly connector (B) to the intake duct.

Fig 17: Identifying Vacuum Hose And PCV Hose Assembly Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the A/C pressure hoses to A/C compressor. < Ref. to INSTALLATION , Hose and Pipe. >
Install the coolant filler tank. < Ref. to INSTALLATION , Coolant Filler Tank. >
Install the generator. < Ref. to INSTALLATION , Generator. >
Install the intercooler. < Ref. to INSTALLATION , Intercooler. >
Install the air intake boot.
Tightening torque:

2.5 N-m (0.3 kgf-m, 1.8 ft-lb)

Fig 18: Locating Air Intake Boot
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake duct. < Ref. to INSTALLATION , Air Intake Duct. >
Connect the battery ground terminal.

Fig 19: Connecting Ground Cable From Battery
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Lift up the vehicle.
Install the undercover. < Ref. to INSTALLATION , Front Under Cover. >
Lower the vehicle.
Install the V-belt cover.
Tightening torque:

13 N.m (1.3 kgf-m, 9.6 ft-lb)

Fig 20: Locating V-Belt Covers
Courtesy of SUBARU OF AMERICA, INC.
Fill engine coolant. < Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
Charge the A/C system with refrigerant. < Ref. to PROCEDURE , Refrigerant Charging Procedure. >