Front Exhaust Pipe: Installation

WARNING: This page is about a different variant/trim than selected.

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 1: Locating Front Exhaust Pipe Holding 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 2: Locating Turbocharger Stay Bolts
Courtesy of SUBARU OF AMERICA, INC.
Set the oil catch tank to the turbocharger, and attach the bolt and nut which secure the oil catch tank to the turbocharger and oil catch tank stay.
NOTE:
- Use a new gasket.
- When installing the oil catch tank, tighten to the specified torque in the alphabetical order shown in the figure.
Tightening torque:

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

T2: 10.5 N.m (1.1 kgf-m, 7.7 ft-lb)

Fig 3: Oil Catch Tank Bolts With Torque Specification
Courtesy of SUBARU OF AMERICA, INC.
Install the engine cover.
Tightening torque: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 4: Locating Engine Cover Bolts
Courtesy of SUBARU OF AMERICA, INC.
Install the center exhaust pipe (rear) and temporarily tighten the bolt which holds center exhaust pipe (rear) to the hanger bracket.

Fig 5: Locating Center Exhaust Pipe (Rear) Hanger Bracket Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install 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 6: Locating Rear Exhaust Pipe To Center Exhaust Pipe (Rear) Clamping Bolts
Courtesy of SUBARU OF AMERICA, INC.
Assemble 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 7: Locating Center Exhaust Pipe (Rear) To Center Exhaust Pipe (Front) Clamping Bolt
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)

Fig 8: Locating Center Exhaust Pipe (Rear) To Hanger Bracket Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install the bolts which secure the intake duct to the turbocharger, and connect the air control hose (A).
NOTE:
- Use new O-rings.
- Be careful not to pinch the O-ring.
Tightening torque: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

Fig 9: Locating Turbocharger Intake Duct Clamping Bolt
Courtesy of SUBARU OF AMERICA, INC.
Install the bolt which holds oil outlet pipe (C) and oil inlet pipe A (A), and install oil inlet pipe B (B) to oil inlet pipe A (A).
CAUTION: In order to prevent damaging the oil inlet pipe, fix the section (a) shown in the figure when tightening the oil inlet pipe flare nut, and avoid the part from rotating together while tightening the nut.

Fig 10: Identifying Oil Inlet Pipe Flare Nut
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

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

T2: 20 N.m (2.0 kgf-m, 14.8 ft-lb)

Fig 11: Oil Inlet Pipe Flare Nut With Torque Specification
Courtesy of SUBARU OF AMERICA, INC.
Install the under cover. Refer to FRONT UNDER COVER .
Lower the vehicle.
Install the engine coolant hose to the clip (A), and install the bolts which secure the intake duct to the turbocharger.
Tightening torque: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

Fig 12: Identifying Engine Coolant Hose Clip
Courtesy of SUBARU OF AMERICA, INC.
Install the radiator sub fan motor assembly. Refer to RADIATOR SUB FAN AND FAN MOTOR .
Connect the engine coolant hoses to the water tank pipe and water pump.

Fig 13: Locating Engine Coolant Hoses Clamp
Courtesy of SUBARU OF AMERICA, INC.
Connect connectors to the front oxygen (A/F) sensor and rear oxygen sensor, and secure the front oxygen (A/F) sensor harness and rear oxygen sensor harness with the clip (A).

Fig 14: Locating Front Oxygen (A/F) Sensor And Rear Oxygen Sensor Connectors
Courtesy of SUBARU OF AMERICA, INC.
Install the air intake duct. Refer to AIR INTAKE DUCT .
Connect the battery ground terminal.

Fig 15: Connecting Battery Ground Terminal
Courtesy of SUBARU OF AMERICA, INC.
Fill engine coolant. Refer to ENGINE COOLANT .
Check the engine oil level and replenish the engine oil if necessary. Refer to ENGINE OIL .
Install the collector cover.