Operation CHARM
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GMC Truck
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2009
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Yukon XL 4WD V8-6.0L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Timing Components
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System Specifications
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Harmonic Balancer - Crankshaft Pulley
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LY6
LY6
Crankshaft Balancer Bolt - First Pass
150 Nm (110 lb ft)
Crankshaft Balancer Bolt - Second Pass
Loosen 360 degrees
Crankshaft Balancer Bolt - Third Pass
50 Nm (37 lb ft)
Crankshaft Balancer Bolt - Final Pass
230 degrees