Operation CHARM
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GMC Truck
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2008
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Envoy 2WD L6-4.2L
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Repair and Diagnosis
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Mechanical Specifications
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Cylinder Block Assembly
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Harmonic Balancer - Crankshaft Pulley
Harmonic Balancer - Crankshaft Pulley
Crankshaft Balancer Bolt
First Pass
150 N.m (110.6 lb ft)
Final Pass
180 degrees