GMC Workshop Service and Repair Manuals

Harmonic Balancer - Crankshaft Pulley: Specifications

Crankshaft Balancer Bolt    
Step 1.........................................................................................................................................................................................................150 Nm (110 lb ft.)
Step 2.........................................................................................................................................................................................................Loosen 360 degrees
Step 3.............................................................................................................................................................................................................80 Nm (59 lb ft.)
Final Step...............................................................................................................................................................................................................125 degrees