Method With Angle Gauge

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 Oil Seal Installer

Courtesy of SUBARU OF AMERICA, INC.

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 Alignment Marks On Crank Pulley Knock Hole And Crank 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: Connecting Pulley Wrench Pin Set On Pulley Wrench

   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 Using ST

   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 ST3 (ANGLE GAUGE) to ST1.

   ST1 18355AA000 PULLEY WRENCH

   ST2 18334AA000 PULLEY WRENCH PIN SET

   ST3 18854AA000 ANGLE GAUGE

   Tightening angle: 

   60°±5° 

   Fig 6: Tightening Crank Pulley Bolt

   Courtesy of SUBARU OF AMERICA, INC.