Intake Manifold: Assembly

Install the tumble generator valve assembly onto intake manifold.
NOTE: Use new O-rings.

Tightening torque:

8.3 N.m (0.8 kgf-m, 6.1 ft-lb)

Fig 1: Locating Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector pipe.
Connect fuel hoses to fuel injector pipes on both sides, and secure them with the clamps.
Tightening torque:

1.25 N.m (0.1 kgf-m, 0.9 ft-lb)

Fig 2: Identifying Fuel Hose Clamp
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Tighten the bolts which secure the fuel injector pipe RH to the lower side of the intake manifold.
Tightening torque:

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

Fig 3: Identifying Fuel Injector Pipe RH
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which secure fuel injector pipe onto intake manifold.
Tightening torque:

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

Fig 4: Locating Fuel Injector Pipe Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector.
- RH side
Fig 5: Identifying RH Side Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.
- LH side
Fig 6: Identifying LH Side Fuel Injector
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Tighten the bolts which secure fuel injector pipe onto intake manifold.
Tightening torque:

19 N.m (1.9 kgf-m, 14.0 ft-lb)
- LH side
Fig 7: Identifying LH Side Fuel Injector Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
- RH side
Fig 8: Identifying RH Side Fuel Injector Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which holds the fuel injector pipe LH to the front side of the intake manifold, and connect the pressure regulator vacuum hose to the intake manifold.
Tightening torque:

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

Fig 9: Identifying Pressure Regulator Vacuum Hose
Courtesy of SUBARU OF AMERICA, INC.
Install PCV pipe (A), harness assembly (B) and intake duct (C) to the intake manifold.
Tightening torque:

6.5 N.m (0.7 kgf-m, 4.8 ft-lb)

Fig 10: Identifying PCV Pipe, Harness Assembly And Intake Duct
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the fuel injector and the tumble generator valve assembly.

Fig 11: Identifying Fuel Injector Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the throttle body to the intake manifold.
NOTE: Use new O-rings.

Tightening torque:

8 N.m (0.8 kgf-m, 5.9 ft-lb)

Fig 12: Locating Throttle Body Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the throttle position sensor.

Fig 13: Identifying Throttle Position Sensor Connector
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Connect the evaporation hose to the purge control solenoid valve 2.
NOTE: Connect the evaporation hose as shown in the figure.

Fig 14: Identifying Evaporation Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the connectors to the wastegate control solenoid valve, manifold absolute pressure sensor and purge control solenoid valve 2, and install the solenoid valve bracket assembly to the intake manifold.
Tightening torque:

T1: 17 N.m (1.7 kgf-m, 12.5 ft-lb)

T2: 19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 15: Identifying Solenoid Valve Bracket Assembly
Courtesy of SUBARU OF AMERICA, INC.
Connect the filter assembly.

Fig 16: Identifying Filter Assembly
Courtesy of SUBARU OF AMERICA, INC.
Connect the evaporation hose and the connector to the purge control solenoid valve 1, and install the purge control solenoid valve 1 to the intake manifold.
NOTE: Connect the evaporation hose as shown in the figure.

Fig 17: Evaporation Hose Connection Diagram
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

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

Fig 18: Identifying Evaporation Hose
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel pipe protector RH to the intake manifold.
Tightening torque:

19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 19: Identifying RH Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel pipe protector LH to the intake manifold, and install the engine ground terminal to the fuel pipe protector LH.
Tightening torque:

19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 20: Locating Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.