Intake Manifold: Assembly

Apply liquid gasket to the nipple threads, and install the nipple to the intake manifold.
Liquid gasket:

THREE BOND 1105 (Part No. 004403010)

Tightening torque:

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

T2: 25 N.m (2.5 kgf-m, 18.4 ft-lb)

Fig 1: Identifying Liquid Gasket Applying Area On Nipple Threads
Courtesy of SUBARU OF AMERICA, INC.
Install the tumble generator valve assembly onto intake manifold.
NOTE: Use a new gasket.

Tightening torque:

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

Fig 2: Locating Tumble Generator Valve Assembly Bolts
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Install the air intake duct to the intake manifold.
Tightening torque:

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

Fig 3: Locating Intake Duct
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Install the fuel pipe assembly to the intake manifold.
Tightening torque:

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

Fig 4: Locating Fuel Pipe Assembly Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector pipe LH and connect the LH side fuel hose to the fuel injector pipe LH. < Refer to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines. >

Fig 5: Locating Side Fuel Hose To Fuel Injector Pipe Clamp Holding (LH)
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector pipe RH and connect the RH side fuel hose to the fuel injector pipe RH. < Refer to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines. >

Fig 6: Locating Side Fuel Hose To Fuel Injector Pipe Clamp Holding (RH)
Courtesy of SUBARU OF AMERICA, INC.
Install the engine harness to the intake manifold and attach the harness brackets holding the engine harness.
Tightening torque:

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

Fig 7: Locating Engine Harness Brackets Bolt
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Install the fuel injector.
NOTE: Use new O-rings.

Fig 8: Removing Fuel Injector
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Install the bolts which hold fuel injector pipe.
- RH side
  Tightening torque:
  
  19 N.m (1.9 kgf-m, 14.0 ft-lb)
  
  Fig 9: Locating Fuel Injector Pipe Bolts (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
  Tightening torque:
  
  6.4 N.m (0.7 kgf-m, 4.7 ft-lb)
  
  Fig 10: Locating Fuel Injector Pipe Bolts (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.
  
  Tightening torque:
  
  19 N.m (1.9 kgf-m, 14.0 ft-lb)
  
  Fig 11: Locating Fuel Injector Pipe Bolts (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the tumble generator valve assembly.

Fig 12: Locating Tumble Generator Valve Assembly Connector
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Connect the connectors to the fuel injector.

Fig 13: Locating Fuel Injector Connectors
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Secure the engine harness to the fuel injector pipe with the harness band (A).
- RH side
  
  Fig 14: Identifying Harness Band (RH Side)
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
  
  Fig 15: Identifying Harness Band (LH Side)
  Courtesy of SUBARU OF AMERICA, INC.
Install the throttle body to the intake manifold.
NOTE: Use a new gasket.

Tightening torque:

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

Fig 16: Locating Intake Manifold Bolts
Courtesy of SUBARU OF AMERICA, INC.
Secure the engine harness and vacuum hose using the clip (A), and secure the engine harness to the engine harness stay using the clip (B), and install the bolt which holds the engine harness to the intake manifold.
Tightening torque:

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

Fig 17: Locating Clips
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Connect connector (A) to the throttle position sensor and connector (B) to the manifold pressure sensor.

Fig 18: Identifying Throttle Position Sensor And Manifold Pressure Sensor Connector
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Install the engine ground terminal to intake manifold.
Tightening torque:

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

Fig 19: Locating Engine Ground Terminals Mounting Nuts
Courtesy of SUBARU OF AMERICA, INC.
Install the solenoid valve bracket together with the wastegate control solenoid valve.
Tightening torque:

T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

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

Fig 20: Identifying Solenoid Valve Bracket Bolts
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Connect the vacuum hose (B) to the intake duct, then connect the connector (A) to the wastegate control solenoid valve.

Fig 21: Identifying Vacuum Hose And Wastegate Control Solenoid Valve Connector
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Install purge control solenoid valve 1 and purge control solenoid valve 2.
NOTE: Connect the vacuum hose and vacuum control hose as shown in the figure.

Fig 22: Connecting Vacuum Hose And Vacuum Control Hose
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

T1: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

T2: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

Fig 23: Locating Intake Manifold Connectors
Courtesy of SUBARU OF AMERICA, INC.
Attach the connector to the PCV hose assembly.

Fig 24: Locating PCV Hose Assembly Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the connector to the intake duct.

Fig 25: Locating Intake Duct Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel pipe protector LH.
Tightening torque:

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

Fig 26: Locating Fuel Pipe Protector Bolts (LH)
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel pipe protector RH, and secure the engine harness to the fuel pipe protector RH using the clip (A).
Tightening torque:

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

Fig 27: Identifying Fuel Pipe Protector Clip (RH)
Courtesy of SUBARU OF AMERICA, INC.