Avalanche 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Harmonic Balancer - Crankshaft Pulley: Specifications
Crankshaft Balancer Bolt
Installation Pass - to Ensure the Balancer is Completely Installed .................................................................................................. 330 Nm (240 ft. lbs.)
First Pass - Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes ............................ 50 Nm (37 ft. lbs.)
Final Pass ........................................................................................................................................................................................................ 140 degrees