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 Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the fuel delivery hose, fuel return hose, and evaporation hose.

Fig 2: Locating Fuel Delivery/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 Bolts
Courtesy of SUBARU OF AMERICA, INC.
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. (Left side only)

Fig 4: Locating Exhaust Oil Flow Control Solenoid Valve Connector
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Install the clip securing the engine harness. (Left side only)

Fig 5: Locating Engine Harness Clip
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Connect the connectors to the exhaust camshaft position sensor. (right side only.)

Fig 6: Locating Exhaust Camshaft Position Sensor Connector
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Lower the vehicle.
Install the engine harness fixing clip (B), clip (C) and clip (D) to the engine harness stay. (right side only.)
Connect the connector (A) to the exhaust oil flow control solenoid valve. (right side only.)

Fig 7: Locating Engine Harness Fixing Clip
Courtesy of SUBARU OF AMERICA, INC.
Install the air cleaner case. <Ref. to INSTALLATION , Air Cleaner Case.>
Connect the connector to the intake oil flow control solenoid valve.

Fig 8: Connecting Connector To Intake Oil Flow Control Solenoid Valve
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Connect the connector to the intake camshaft position sensor.

Fig 9: Locating Intake Camshaft Position Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the secondary air combination valve.

Fig 10: Locating Secondary Air Combination Valve Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the knock sensor.

Fig 11: Locating Knock Sensor Connector
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Connect the connector to the power steering pump switch.

Fig 12: 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 13: Locating Engine Coolant Temperature 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 14: Installing Engine Harness Connector To Engine Harness Bracket
Courtesy of SUBARU OF AMERICA, INC.
Install the engine harness to clip (A).

Fig 15: Removing Engine Harness From Clip
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Connect the leak diagnosis connector harness.

Fig 16: Locating Leak Diagnosis Connector
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Connect the leak diagnosis connector harness to the engine harness, and secure it with the tape (A) as shown in the figure below.

Fig 17: Locating Leak Diagnosis Connector Harness Fixing Tape
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Install the engine coolant hose to the water tank pipe.

Fig 18: Locating Engine Coolant Hose Clip
Courtesy of SUBARU OF AMERICA, INC.
Connect the air control hose (A) to the wastegate actuator, and install the turbocharger to the intake duct.
Tightening torque:

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

Fig 19: Locating Air Control Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the vacuum hose (A) and connector (B) to the PCV hose assembly B.

Fig 20: Locating Vacuum Hose Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the PCV hose to the clip.

Fig 21: Removing PCV Hose From Clip
Courtesy of SUBARU OF AMERICA, INC.
Connect the brake booster vacuum hose (A) and pressure regulator vacuum hose (B) to the intake manifold.

Fig 22: Connecting Brake Booster And Pressure Regulator Vacuum Hose To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to throttle body.

Fig 23: Locating Engine Coolant Hose Clamps
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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 air by-pass valve. <Ref. to INSTALLATION , Air By-pass Valve.>
Install the air intake boot.
Tightening torque:

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

Fig 24: Locating Air Intake Boot Clips
Courtesy of SUBARU OF AMERICA, INC.
Install the intercooler. <Ref. to INSTALLATION , Intercooler.>
Install the chamber assembly. <Ref. to INSTALLATION , Chamber Assembly.>
Install the air intake duct. <Ref. to INSTALLATION , Air Intake Duct.>
Connect the battery ground terminal.
Lift up the vehicle.
Install the under cover. <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 25: Removing 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.>