Except For STI Model

Temporarily install the crankshaft position sensor plate and flywheel.
NOTE: Align the knock pin hole of the crankshaft position sensor plate to the knock pin of the crankshaft to secure the knock pin.
Attach the ST.
ST 498497100 CRANKSHAFT STOPPER

Fig 1: Aligning Knock Pin Hole Of Crankshaft Position Sensor Plate
Courtesy of SUBARU OF AMERICA, INC.
Tighten the flywheel mounting bolts in two stages.
1. Tighten the flywheel attachment bolts.
  Tightening torque:
  
  30 N.m (3.1 kgf-m, 22.1 ft-lb)
  
  Fig 2: Flywheel Mounting Bolts Tightening Sequence
  Courtesy of SUBARU OF AMERICA, INC.
2. While checking the tightening angle with the angle gauge, further tighten the flywheel mounting bolts.
  Tightening angle:
  
  30° - 35°
Install the clutch disc and cover. <Ref. to INSTALLATION , Clutch Disc and Cover.>
Install the transmission assembly. <Ref. to INSTALLATION , Manual Transmission Assembly.>