Harmonic Balancer - Crankshaft Pulley

Tighten the bolt in 4 stages:
Tighten the bolt to 120 Nm {12.2 kgf-m, 89 ft-lbf}.
Loosen one full turn.
Tighten to 50 Nm {5.1 kgf-m, 37 ft-lbf}.
Tighten an additional 90 degrees.