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GMC Truck
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2012
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Sierra 2500 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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26250 MI or 42000 KM
26250 MI or 42000 KM
Replace
Oil Filter, Engine
Engine Oil
Change engine oil and filter, or every 12 months whichever occurs first. Reset the oil life system.