Intake Manifold: Assembly

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

Tightening torque:

8.3 N.m (0.85 kgf-m, 6.1 ft-lb)

Fig 1: Locating Tumble Generator Valve Assembly 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 (0.13 kgf-m, 0.94 ft-lb)

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

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

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

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

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

19 N.m (1.9 kgf-m, 14 ft-lb)
- LH side
  
  Fig 7: Locating Fuel Injector Pipe Bolts (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- RH side
  
  Fig 8: Locating Fuel Injector Pipe Bolts (RH Side)
  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 (0.65 kgf-m, 4.7 ft-lb)

Fig 9: Identifying Fuel Injector Pipe LH Bolt
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 (0.66 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: Locating Fuel Injector And Tumble Generator Valve Assembly 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: Locating Throttle Position Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
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 And Purge Control Solenoid Valve
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:

19 N.m (1.9 kgf-m, 14 ft-lb)

Fig 15: Locating Solenoid Valve Bracket Bolts
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.
Tightening torque:

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

Fig 17: Identifying Evaporation Hose And Connector
Courtesy of SUBARU OF AMERICA, INC.

NOTE: Connect the evaporation hose as shown in the figure.

Fig 18: Identifying Evaporation Hose And Purge Control Solenoid Valve
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 ft-lb)

Fig 19: Locating Fuel Pipe Protector RH 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 ft-lb)

Fig 20: Locating Fuel Pipe Protector LH Bolts
Courtesy of SUBARU OF AMERICA, INC.