Section 77 (Engine Intake System (Induction) And Turbocharger (H4DOTC)): Turbocharger: Installation

WARNING: This page is about a different car, the 2012 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, Bolts And Nuts
Courtesy of SUBARU OF AMERICA, INC.
Connect the oil outlet hose to the oil outlet pipe.

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

Fig 3: Locating Engine Coolant Hose Clamp
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, Bracket And Bolts
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 illustration when tightening the oil inlet pipe flare nut, and avoid the part from rotating together while tightening the nut.

Fig 5: Oil Inlet Pipe, Bolts And Bracket
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 Nuts Tightening Torque
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 Bolts Which Hold Oil Inlet Pipe Stay To Turbocharger
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: Locating Clamp Holding Intake Duct To Turbocharger
Courtesy of SUBARU OF AMERICA, INC.
Connect the engine coolant hoses to the coolant filler tank.

Fig 9: Locating Engine Coolant Hose 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. < Ref. to INSTALLATION , Center Exhaust Pipe. >
Lower the vehicle.
Install the intercooler. < Ref. to INSTALLATION , Intercooler. >
Connect the battery ground terminal.

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