Impreza F4-2.5L SOHC (2003)
Harmonic Balancer - Crankshaft Pulley: Specifications
Crankshaft pulley bolt:
Stage 1 ................................................................................................................................................................................. 44 Nm (4.5 kgf-m, 33 ft. lbs.)
Stage 2 ........................................................................................................................................................................ 177 Nm (18.0 kgf-m, 130.2 ft. lbs.)
Stage 3 ................................................................................................................................................................................................... angle 65° or more