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 Tumble Generator Valve Assembly Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the nipple to the intake manifold. (model with integrated plate)
NOTE: Use new O-rings.

Tightening torque:

7.8 N.m (0.8 kgf-m, 5.8 ft-lb)

Fig 2: Locating Intake Manifold Nipple (With Integrated Plate)
Courtesy of SUBARU OF AMERICA, INC.
Set the fuel delivery pipe and fuel pipe, tighten the clamps which hold the fuel hose to the fuel delivery pipe, and install the fuel delivery pipe to the intake manifold.
Tightening torque:

T1: 1.25 N.m (0.1 kgf-m, 0.9 ft-lb)

T2: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 3: Identifying Fuel Hoses Mounting Clamps
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel delivery pipe to the intake manifold.
Tightening torque:

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

Fig 4: Identifying Fuel Delivery Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect vacuum hose (A), vacuum control hose (B) and brake booster vacuum hose (C) to the intake manifold.

Fig 5: Identifying Vacuum Hose, Vacuum Control Hose And Brake Booster Vacuum Hose
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector.

Fig 6: Removing Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.
Install the bolts which secure fuel pipe to the intake manifold.
Tightening torque:

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

Fig 7: Locating Fuel Pipe Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the bolts which secure fuel delivery pipe to 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 8: Locating Fuel Delivery Pipe Assembly Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Set the engine harness to the intake manifold, and connect the connector to the fuel injector and tumble generator valve assembly.

Fig 9: Locating 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 10: Locating Throttle Body Intake Manifold Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the connectors to the purge control solenoid valves 1 and 2.

Fig 11: Locating Purge Control Solenoid Valves Connectors
Courtesy of SUBARU OF AMERICA, INC.
Install the solenoid valve bracket assembly to the intake manifold, and connect the connector to the manifold absolute pressure sensor.
Tightening torque:

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

Fig 12: Locating Manifold Absolute Pressure Sensor Connector And Mounting Bolt
Courtesy of SUBARU OF AMERICA, INC.
Connect the vacuum hose to the intake manifold and fuel delivery pipe.

Fig 13: Locating Intake Manifold And Fuel Delivery Pipe Vacuum Hose
Courtesy of SUBARU OF AMERICA, INC.
Install the filter assembly.

Fig 14: Removing Filter Assembly
Courtesy of SUBARU OF AMERICA, INC.
Install the intake manifold protector LH to the intake manifold, and install the engine ground terminal to the intake manifold protector.
NOTE: Route the from front oxygen (A/F) sensor connector and rear oxygen sensor connector inside the intake manifold protector, as shown in the figure.

Fig 15: Identifying Intake Manifold Protector, Front Oxygen (A/F) Sensor Connector And Rear Oxygen Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

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

Fig 16: Locating Bolts And Intake Manifold Protector LH
Courtesy of SUBARU OF AMERICA, INC.
Install front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B) to the intake manifold protector LH, and also install clip (C) which holds the engine harness.

Fig 17: Identifying Front Oxygen (A/F) Sensor Connector, Rear Oxygen Sensor Connector And Intake Manifold Protector LH
Courtesy of SUBARU OF AMERICA, INC.
Install the intake manifold protector RH to the intake manifold.
Tightening torque:

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

Fig 18: Locating Intake Manifold Protector Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.