Fluid · Coolant
Coolant
for 2012 GMC Sierra 2500HD 6.0L V8 Vortec · 4WD
Fluid Type
Dexcool orange extended-life 50/50
Spec: GM DEX-COOL (OAT)
Capacity
20qt
18.92 L
Drain & Refill
16 qt
15.14 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Initial fill: 150k/5 years. Subsequent: 5 years/150k. Includes engine and heater core.
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