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: Identifying Tumble Generator Valve Assembly And Cylinder Head
Courtesy of SUBARU OF AMERICA, INC.
Connect the fuel delivery hose, fuel return hose, and evaporation hose.
<Ref. to INSTALLATION , Fuel Delivery, Return and Evaporation Lines. >

NOTE: If fuel hoses or clamps are damaged, replace them with new parts.

Fig 2: Identifying Fuel Hoses Or Clamps
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the oil flow control solenoid valve.

Fig 3: Identifying Oil Flow Control Solenoid Valve And Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the engine coolant temperature sensor (A), oil pressure switch (B) and crankshaft position sensor (C).

Fig 4: Identifying Engine Coolant Temperature Sensor, Oil Pressure Switch And Crankshaft Position Sensor
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the knock sensor.

Fig 5: Identifying Knock Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the power steering pump switch.

Fig 6: Identifying Power Steering Pump Switch
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Connect the connectors to camshaft position sensor.

Fig 7: Identifying Camshaft Position Sensor And Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the secondary air combination valve.

Fig 8: Identifying Secondary Air Combination Valve And Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the ignition coil.

Fig 9: Identifying Connector Of Ignition Coil
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Install the engine harness with clip (A) to the rocker cover.

Fig 10: Identifying Engine Harness To Rocker Cover
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine harness connectors to the bulkhead harness connectors.

Fig 11: Identifying Engine Harness Connectors And Bulk Head Harness Connector
Courtesy of SUBARU OF AMERICA, INC.
Connect the brake booster vacuum hose.

Fig 12: Identifying Brake Booster Vacuum Hose
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Connect the PCV hose to the rocker cover and lock it by fitting the clamp protrusion using ST.
ST 18353AA000 CLAMP PLIERS

NOTE: Use a new clamp.

Fig 13: Identifying PCV Hose To Rocker Cover
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to throttle body.

Fig 14: Identifying Engine Coolant Hoses To Throttle Body
Courtesy of SUBARU OF AMERICA, INC.
Install the duct to the throttle body.
Attach the bolts which secure the air by-pass pipe and PCV pipe to the intake manifold.
Tightening torque:

6.4 N.m (0.65 kgf-m, 4.7 ft-lb)

Fig 15: Identifying Air By-Pass Pipe And PCV Pipe
Courtesy of SUBARU OF AMERICA, INC.
Connect the emission hose (A) and the connector (B) to the PCV hose assembly.

Fig 16: Identifying Connector And PCV Hose Assembly
Courtesy of SUBARU OF AMERICA, INC.

Fig 17: Identifying Emission Hose And PCV Hose Assembly
Courtesy of SUBARU OF AMERICA, INC.
Install the coolant filler tank.
<Ref. to INSTALLATION , Coolant Filler Tank.>
Install the intercooler. <Ref. to INSTALLATION , Intercooler.>
Install the intake duct to the air cleaner case.
Install the fuse of fuel pump to the main fuse box.
Connect the battery ground cable to the battery.
Lift up the vehicle.
Install the under cover.
Fill engine coolant. <Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.>