Crank Pulley: Installation

Apply a light coat of engine oil to the front oil seal inner periphery and outer periphery, and install the front oil seal using ST.
NOTE:
- Use a new front oil seal.
- When tapping the front oil seal in, protect the radiator fin with cardboards etc. so as not to damage the radiator fin by the plastic hammer.
ST 398437700 OIL SEAL INSTALLER

Front oil seal press-fit position:

1 ⁺⁰ _-1 mm (0.0039 ⁺⁰ _-0.0039 in) position from chain cover end face

Fig 1: Installing Front Oil Seal Using Tool
Courtesy of SUBARU OF AMERICA, INC.
Clean the crankshaft thread using compressed air.
Install the crank pulley boss.

Fig 2: Locating Crank Pulley Boss
Courtesy of SUBARU OF AMERICA, INC.
Apply engine oil to the crank pulley bolt seat and thread.
Install the crank pulley.
1. Install the crank pulley to the crank pulley boss.
  NOTE:
  - Use new O-rings.
  - Install the crank pulley by aligning the crank pulley knock hole (A) and crank pulley boss knock pin (B).
  Fig 3: Identifying Crank Pulley Knock Hole And Crank Pulley Boss Knock Pin
  Courtesy of SUBARU OF AMERICA, INC.
2. Use the ST to lock the crank pulley, and temporarily tighten the crank pulley bolt.
  NOTE: To prevent damaging ST1, attach the ST2 onto the ST1 as shown.
  
  ST1 18355AA000 PULLEY WRENCH
  
  ST2 18334AA000 PULLEY WRENCH PIN SET
  
  Fig 4: Removing Crank Pulley Bolt
  Courtesy of SUBARU OF AMERICA, INC.
  
  ST1 18355AA000 PULLEY WRENCH
  
  ST2 18334AA000 PULLEY WRENCH PIN SET
  
  Tightening torque:
  
  60 N.m (6.1 kgf-m, 44.3 ft-lb)
  
  Fig 5: Tightening Crank Pulley Bolt
  Courtesy of SUBARU OF AMERICA, INC.
3. 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.
  
  Fig 6: Drawing Reference Lines (A) And (B) Using Marker
  Courtesy of SUBARU OF AMERICA, INC.
4. Draw end line (C) on crank pulley using a marker at the same position as reference line (B) drawn on the socket in step ( 2).
  
  Fig 7: Drawing End Line (C) On Crank Pulley Using Marker
  Courtesy of SUBARU OF AMERICA, INC.
5. 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.
  
  ST1 18355AA000 PULLEY WRENCH
  
  ST2 18334AA000 PULLEY WRENCH PIN SET
  
  Tightening angle:
  
  60°±5°
  
  Fig 8: Tightening Crank Pulley Bolt Using Tool
  Courtesy of SUBARU OF AMERICA, INC.
Install the V-belts. Refer to INSTALLATION .