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GMC Truck
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2012
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Sierra 3500 Denali 4WD V8-6.6L DSL Turbo
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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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18750 MI or 30000 KM
18750 MI or 30000 KM
Replace
Oil Filter, Engine
Engine Oil
Change engine oil and filter, or every 12 months whichever occurs first. Reset the oil life system.