Section 9 (Engine Intake System (Induction) And Turbocharger (H4DOTC)): Turbocharger: Installation

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Install the turbocharger stay.
Tightening torque:

T1: 33 N.m (3.4 kgf-m, 24.3 ft-lb)

T2: 42.5 N.m (4.3 kgf-m, 31.3 ft-lb)

Fig 1: Turbocharger Stay Replacement Components With Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Connect the oil outlet hose to the oil outlet pipe.

Fig 2: Locating Oil Outlet Hose Clip
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to the water pipe.

Fig 3: Disconnecting\Connecting Engine Coolant Hose
Courtesy of SUBARU OF AMERICA, INC.
Temporarily tighten the bolts and flare nuts which secure the oil inlet pipe to the turbocharger.
NOTE: Use a new gasket.

Fig 4: Locating Oil Inlet Pipe Bolts And Flare Nuts
Courtesy of SUBARU OF AMERICA, INC.
Tighten the union bolts and flare nuts which secure the oil inlet pipe to the turbocharger.
CAUTION: In order to prevent damaging the oil pipe on the cylinder head side, 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 5: Identifying Oil Inlet Pipe Components
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

T1: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

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

Fig 6: Oil Inlet Pipe Bolts And Flare Nuts With Torque Specifications
Courtesy of SUBARU OF AMERICA, INC.
Tighten the bolts which hold the oil inlet pipe stay to the turbocharger.
Tightening torque:

5 N.m (0.5 kgf-m, 3.7 ft-lb)

Fig 7: Locating Oil Inlet Pipe Stay Bolt
Courtesy of SUBARU OF AMERICA, INC.
Connect the air control hose (A), and install the intake duct to the turbocharger.
Tightening torque:

3 N.m (0.3 kgf-m, 2.2 ft-lb)

Fig 8: Identifying Air Control Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to the coolant filler tank.

Fig 9: Locating Engine Coolant Hoses Clamp
Courtesy of SUBARU OF AMERICA, INC.
Install the joint pipe to turbocharger.
NOTE: Replace the gasket with a new part.

Tightening torque:

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

Fig 10: Locating Turbocharger Joint Pipe Bolts
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Install the center exhaust pipe. < Refer to INSTALLATION , Center Exhaust Pipe. >
Lower the vehicle.
Install the intercooler. < Refer to INSTALLATION , Intercooler. >
Connect the battery ground terminal.

Fig 11: Disconnecting\Connecting Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Fill engine coolant. < Refer to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
Install the collector cover.