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) or equivalent

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 Nipple Threads Liquid Gaskets With Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Install the tumble generator valve assembly onto intake manifold.
NOTE: Use a new gasket.

Tightening torque:

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

Fig 2: Locating Intake Manifold Tumble Generator Valve Assembly Bolts
Courtesy of SUBARU OF AMERICA, INC.
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 Manifold Duct
Courtesy of SUBARU OF AMERICA, INC.
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 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. <Ref. to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines.>

Fig 5: Locating LH Side Fuel Hose Clamps
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. <Ref. to CONNECTING FUEL DELIVERY HOSE, FUEL RETURN HOSE AND FUEL HOSE , INSTALLATION, Fuel Delivery, Return and Evaporation Lines.>

Fig 6: Locating RH Side Fuel Hose Bolts
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 Intake Manifold Engine Harness Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the fuel injector.
NOTE: Use new O-rings, rubbers and seal rings.

Fig 8: Installing Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.
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
  Courtesy of SUBARU OF AMERICA, INC.
Connect the connector to the tumble generator valve assembly.

Fig 12: Locating Tumble Generator Valve Assembly
Courtesy of SUBARU OF AMERICA, INC.
Connect the connectors to the fuel injector.

Fig 13: Locating Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.
Secure the engine harness to the fuel injector pipe with the harness band (A).
- RH side
  
  Fig 14: Identifying Fuel Injector Pipe Harness Band
  Courtesy of SUBARU OF AMERICA, INC.
- LH side
Fig 15: Identifying Fuel Injector Pipe 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 Throttle Body 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 Intake Manifold Engine Harness Bolt
Courtesy of SUBARU OF AMERICA, INC.
Connect connector (A) to the throttle position sensor and connector (B) to the manifold pressure sensor.

Fig 18: Identifying Throttle Position And Manifold Pressure Sensor Connectors
Courtesy of SUBARU OF AMERICA, INC.
Install the engine ground terminal to intake manifold.
Tightening torque:

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

Fig 19: Locating Intake Manifold Engine Ground Terminals
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 And Wastegate Control Solenoid Valve With Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Connect the vacuum hose (B) to the intake duct, then connect the connector (A) to the wastegate control solenoid valve.

Fig 21: Identifying Wastegate Control Solenoid Valve Connector And Intake Duct Vacuum Hose
Courtesy of SUBARU OF AMERICA, INC.
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: 19 N.m (1.9 kgf-m, 14.0 ft-lb)

Fig 23: Locating Purge Control Solenoid Valves With Torque Specifications
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 LH Bolts
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: Locating Fuel Pipe Protector RH Bolts
Courtesy of SUBARU OF AMERICA, INC.