Method Without 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. Use the ST to lock the crank pulley, and temporarily tighten the crank pulley bolt.
  ST 499977400 CRANK PULLEY WRENCH
  
  Tightening torque:
  
  47 N.m (4.8 kgf-m, 34.7 ft-lb)
  
  Fig 1: Tightening Crank Pulley Bolt Using Crank Pulley Wrench
  Courtesy of SUBARU OF AMERICA, INC.
2. Draw reference lines (A) and (B) using a marker to set the socket to the crank pulley bolt as shown in the figure.
  NOTE: Set the socket onto the crank pulley bolt so that reference lines (A) and (B) is visible.
  
  ST 499977400 CRANK PULLEY WRENCH
  
  Fig 2: Aligning Crank Pulley Bolt With Reference Lines Using Crank Pulley Wrench
  Courtesy of SUBARU OF AMERICA, INC.
3. Draw end line (C) on ST using a marker at the same position as reference line (B) drawn on the socket in step ( 2).
  ST 499977400 CRANK PULLEY WRENCH
  
  Fig 3: Drawing End Line On ST Using Marker
  Courtesy of SUBARU OF AMERICA, INC.
4. Use the ST to lock the crank pulley, and tighten the crank pulley bolt to the angle where reference line (A) and end line (C) are aligned.
  NOTE: It should be approx. 60° when reference line (A) and end line (C) are aligned.
  
  ST 499977400 CRANK PULLEY WRENCH
  
  Tightening angle:
  
  60°±5°
  
  Fig 4: Tightening Crank Pulley Bolt To Reference Line And End Line
  Courtesy of SUBARU OF AMERICA, INC.
Install the V-belts. < Refer to INSTALLATION , V-belt. >