Intake Manifold: Assembly

Install the intake manifold (lower) to intake manifold (upper).
NOTE: Use new O-rings.

Tightening torque:

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

Fig 1: Installing Intake Manifold (Lower) To Intake Manifold (Upper)
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector pipe.
Connect the both fuel injector pipes with a fuel hose and secure them with clamps.

Fig 2: Connecting Both Fuel Injector Pipes With Fuel Hose
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which secures the fuel injector pipe RH onto the lower side of intake manifold.
Tightening torque:

6.5 N.m (0.66 kgf-m, 4.8 ft-lb)

Fig 3: Tightening Bolt
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which secures fuel pipe onto intake manifold.
Tightening torque:

6.5 N.m (0.66 kgf-m, 4.8 ft-lb)

Fig 4: Tightening Bolt
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 5: Tightening Bolt - LH Side
  Courtesy of SUBARU OF AMERICA, INC.
- RH side
  
  Fig 6: Tightening Bolt - RH Side
  Courtesy of SUBARU OF AMERICA, INC.
Install the coolant filler tank stay to intake manifold.
Tightening torque:

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

Fig 7: Installing Coolant Filler Tank Stay To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which installs fuel injector pipe LH on the front side of intake manifold.
Tightening torque:

6.5 N.m (0.66 kgf-m, 4.8 ft-lb)

Fig 8: Tightening Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install the PCV pipe (A), harness assembly (B) and intake duct (C) to intake manifold.
Tightening torque:

6.5 N.m (0.66 kgf-m, 4.8 ft-lb)

Fig 9: Installing PCV Pipe, Harness Assembly And Intake Duct To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolt which secures air bypass pipe onto intake manifold.
Tightening torque:

6.5 N.m (0.66 kgf-m, 4.8 ft-lb)

Fig 10: Tightening Bolt Securing Air Bypass Pipe Onto Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Install the connectors to fuel injector (A), tumble generator valve position sensor (B) and tumble generator valve actuator (C).

Fig 11: Installing Connectors To Fuel Injector, Tumble Generator Valve Position Sensor And Tumble Generator Valve Actuator
Courtesy of SUBARU OF AMERICA, INC.
Install the throttle body to intake manifold.
NOTE: Use new O-rings.

Tightening torque:

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

Fig 12: Installing Throttle Body To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to throttle position sensor.

Fig 13: Connecting Connector To Throttle Position Sensor
Courtesy of SUBARU OF AMERICA, INC.
Connect the evaporation hoses (A) and filter assembly (B).

Fig 14: Connecting Evaporation Hoses And Filter Assembly
Courtesy of SUBARU OF AMERICA, INC.

NOTE: Connect the evaporation hose as shown in Fig 15 .

Fig 15: Connecting Evaporation Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the wastegate control solenoid valve, manifold absolute pressure sensor and purge control solenoid valve, and install the solenoid valve bracket assembly to intake manifold.
Tightening torque:

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

Fig 16: Connecting Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the engine ground terminal to ground stay.
Tightening torque:

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

Fig 17: Installing Engine Ground Terminal To Ground Stay
Courtesy of SUBARU OF AMERICA, INC.