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Installation With Torque Specification

  1. Inspect the union bolt with filter. Ref. to LUBRICATION(STI)>Oil Pipe>INSPECTION>INSPECTING UNION BOLT WITH FILTER .
  2. Install the oil pipe.
    NOTE:
    • Be careful of the install location of the union bolt; the location will differ depending on the presence of filter.
    • Use a new gasket.

    Tightening torque:

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

    T2: 31.5 N.m (3.2 kgf-m, 23.2 ft-lb)

    Fig 1: Oil Pipe Components
    G12438121Courtesy of SUBARU OF AMERICA, INC.
  3. Install the timing belt cover No. 2 LH.

    Tightening torque:

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

    G08539489
  4. Install the cam sprocket LH. Ref. to MECHANICAL(STI)>Cam Sprocket>INSTALLATION .
  5. Install the timing belt. Ref. to MECHANICAL(STI)>Timing Belt>INSTALLATION>TIMING BELT .
  6. Install the timing belt cover. Ref. to MECHANICAL(STI)>Timing Belt Cover>INSTALLATION .
  7. Install the crank pulley. Ref. to MECHANICAL(STI)>Crank Pulley>INSTALLATION .
  8. Install the V-belts. Ref. to MECHANICAL(STI)>V-belt>INSTALLATION .
  9. Install the radiator main fan and the radiator sub fan. Ref. to COOLING(STI)>Radiator Main Fan and Fan Motor>INSTALLATION . Ref. to COOLING(STI)>Radiator Sub Fan and Fan Motor>INSTALLATION .
  10. Install the water tank pipe assembly and water pipe assembly. (Oil pipe RH only)

    Tightening torque:

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

    G12438123
  11. Install the secondary air pump. (Oil pipe LH only) Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (STI)>Secondary Air Pump>INSTALLATION .
  12. Install the intake manifold. Ref. to FUEL INJECTION (FUEL SYSTEMS) (STI)>Intake Manifold>INSTALLATION .
  13. Install the turbocharger oil pipe.

    Tightening torque:

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

    T2: 31.5 N.m (3.2 kgf-m, 23.2 ft-lb)

    Fig 2: Turbocharger Oil Pipe Components
    G12438124Courtesy of SUBARU OF AMERICA, INC.
  14. 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 3: Turbocharger Stay Bolts And Nuts
    G08539602Courtesy of SUBARU OF AMERICA, INC.
  15. Temporarily tighten the bolts and flare nuts which secure the oil inlet pipe to the turbocharger.
    NOTE: Use a new gasket.
    G08539590
  16. 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 part (a) displayed in the image when tightening the oil inlet pipe flare nut, and avoid the part from rotating together while tightening the nut.

    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)

    G08539589
    G08539605
  17. Attach the turbocharger upper cover.

    Tightening torque:

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

    G08539588
  18. Install the intercooler. Ref. to INTAKE (INDUCTION) (STI)>Intercooler>INSTALLATION .
  19. Connect the battery ground terminal.
  20. Fill engine coolant. Ref. to COOLING(STI)>Engine Coolant>REPLACEMENT>FILLING OF ENGINE COOLANT .