Method With Angle Gauge

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.

Clean the crankshaft thread using compressed air.
Install the crank pulley.
Apply engine oil to the crank pulley bolt seat and thread.
Tighten the crank pulley bolts.
1. Remove the radiator main fan motor assembly and radiator sub fan motor assembly. < Refer to REMOVAL , Radiator Main Fan and Fan Motor. > < Refer to REMOVAL , Radiator Sub Fan and Fan Motor. >
2. Use the ST1 to lock the crank pulley, and temporarily tighten the crank pulley bolt.
  ST1 499977400 CRANK PULLEY WRENCH
  
  Tightening torque:
  
  47 N.m (4.8 kgf-m, 34.7 ft-lb)
  
  Fig 1: Tightening Crank Pulley Bolt Using Special Tool
  Courtesy of SUBARU OF AMERICA, INC.
3. Set the ST2, use the ST1 to lock the crank pulley, and tighten the crank pulley bolt to the specified angle.
  NOTE: Attach the magnet used for securing the ST2 (ANGLE GAUGE) to ST1.
  
  ST1 499977400 CRANK PULLEY WRENCH
  
  ST2 18854AA000 ANGLE GAUGE
  
  Tightening angle:
  
  60°±5°
  
  Fig 2: Tightening Crank Pulley Bolt Using Crank Pulley Wrench And Angle Gauge
  Courtesy of SUBARU OF AMERICA, INC.
4. Install the radiator main fan motor assembly and radiator sub fan motor assembly. < Refer to INSTALLATION , Radiator Main Fan and Fan Motor. > < Refer to INSTALLATION , Radiator Sub Fan and Fan Motor. >
Install the V-belts. < Refer to INSTALLATION , V-belt. >