Operation CHARM
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GMC Truck
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2012
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Sierra 3500 2WD V8-6.0L
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Repair and Diagnosis
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Maintenance
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Service Intervals
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Severe Service
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6000 MI or 9600 KM
6000 MI or 9600 KM
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Wheel Stud / Lug Nut
Vehicles with Dual Wheels Only: