Front Exhaust Pipe: Installation

Install the turbocharger stay to the engine.
Tightening torque:

30 N.m (3.1 kgf-m, 22.1 ft-lb)

Fig 1: Locating Turbocharger Stay Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the water pump pulley cover and exhaust pipe stay to the engine and turbocharger stay.
Tightening torque:

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

Fig 2: Locating Engine And Turbocharger Stay Bolts
Courtesy of SUBARU OF AMERICA, INC.
While holding the front exhaust pipe with transmission jack, set the front exhaust pipe, and install the nuts which hold the front exhaust pipe to the cylinder head exhaust port.
NOTE: Use a new gasket.

Tightening torque:

42.5 N.m (4.3 kgf-m, 31.3 ft-lb)

Fig 3: Locating Front Exhaust Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Attach the bolt which holds the turbocharger stay.
Tightening torque:

33 N.m (3.4 kgf-m, 24.3 ft-lb)

Fig 4: Locating Turbocharger Stay Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the oil catch tank to the turbocharger and exhaust stay.
1. Set the oil catch tank to the turbocharger, and temporarily tighten the bolts which secure the oil catch tank to the turbocharger and exhaust stay.
  NOTE: Use a new gasket.
  
  Fig 5: Locating Oil Catch Tank Bolts
  Courtesy of SUBARU OF AMERICA, INC.
2. Tighten the bolts which secure the oil catch tank to the turbocharger and exhaust stay in numerical order as shown in the figure.
  Tightening torque:
  
  T1: 7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
  
  T2: 10.5 N.m (1.1 kgf-m, 7.7 ft-lb)
  
  Fig 6: Oil Catch Tank Bolts Tightening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
Connect the turbocharger hose (B) to the oil pipe.
Connect the union screw pipe assembly to the oil pipe assembly, and connect the engine coolant hose (A) to the water pipe RH.
CAUTION: In order to prevent damaging the oil pipe assembly, fix the section (a) shown in the figure when tightening the flare nut on the union screw pipe assembly, and avoid the part from rotating together while tightening the nut.

Tightening torque:

20 N.m (2.0 kgf-m, 14.8 ft-lb)

Fig 7: Identifying Turbocharger Hose
Courtesy of SUBARU OF AMERICA, INC.
Set the center exhaust pipe (rear), and temporarily tighten the bolt which holds the center exhaust pipe (rear) to the hanger bracket.
- CVT model
  
  Fig 8: Locating Hanger Bracket Bolt - CVT Model
  Courtesy of SUBARU OF AMERICA, INC.
- MT model
  
  Fig 9: Locating Hanger Bracket Bolt - MT Model
  Courtesy of SUBARU OF AMERICA, INC.
Install the bolts, springs, and nuts which secure the rear exhaust pipe to the center exhaust pipe (rear).
NOTE: Use a new gasket.

Tightening torque:

18 N.m (1.8 kgf-m, 13.3 ft-lb)

Fig 10: Locating Center Exhaust Pipe Bolts (Rear)
Courtesy of SUBARU OF AMERICA, INC.
Install the nuts which secure the center exhaust pipe (rear) to the center exhaust pipe (front).
NOTE: Use a new gasket.

Tightening torque:

42.5 N.m (4.3 kgf-m, 31.3 ft-lb)

Fig 11: Locating Center Exhaust Pipe Bolts (Rear)
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which hold center exhaust pipe (rear) to the hanger bracket.
Tightening torque:

35 N.m (3.6 kgf-m, 25.8 ft-lb)
- CVT model
  
  Fig 12: Locating Hanger Bracket Bolt - CVT Model
  Courtesy of SUBARU OF AMERICA, INC.
- MT model
  
  Fig 13: Locating Hanger Bracket Bolt - MT Model
  Courtesy of SUBARU OF AMERICA, INC.
Install the bolt which secures the intake duct No. 1 to the turbocharger.
NOTE:
- Use new O-rings.
- Be careful not to pinch the O-ring.
Tightening torque:

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

Fig 14: Locating Intake Duct No. 1 Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the vacuum control hose to the wastegate control solenoid valve.

Fig 15: Locating Vacuum Control Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the connector on the rear oxygen sensor to the engine harness, and connect the ground cable to the exhaust pipe cover.
Tightening torque:

7 N.m (0.7 kgf-m, 5.2 ft-lb)

Fig 16: Locating Rear Oxygen Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Secure the front oxygen (A/F) sensor harness to the water pump pulley cover with the clip (A), and connect the front oxygen (A/F) sensor connector to the engine harness.

Fig 17: Locating Front Oxygen (A/F) Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. < Ref. to INSTALLATION , Front Under Cover. >
Lower the vehicle.
Install the bolt which secures the intake duct No. 2 to the turbocharger.
Tightening torque:

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

Fig 18: Locating Intake Duct No. 2 Bolts
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to the water pipe assembly.

Fig 19: Locating Engine Coolant Hose Clamp
Courtesy of SUBARU OF AMERICA, INC.
Attach the bolt which secures the water pump pulley cover to the turbocharger stay.
Tightening torque:

33 N.m (3.4 kgf-m, 24.3 ft-lb)

Fig 20: Locating Turbocharger Stay Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the radiator sub fan and fan motor. < Ref. to INSTALLATION , Radiator Sub Fan and Fan Motor. >
Install the air intake duct. < Ref. to INSTALLATION , Air Intake Duct. >
Connect the ground terminal to battery sensor. < Ref. to BATTERY , NOTE, Note. >
Fill engine coolant. < Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
Check the engine oil level and replenish the engine oil if necessary. < Ref. to INSPECTION , Engine Oil. >
Install the collector cover. < Ref. to INSTALLATION , Collector Cover. >