Fluid · Coolant
Coolant
for 2012 Chevrolet Silverado 2500HD 6.6L V8 Duramax LML · 4WD
Fluid Type
Dexcool 50/50
Spec: GM 6277M (orange, extended life)
Capacity
28.4qt
26.87 L
Drain & Refill
24 qt
22.7 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
LML Duramax cooling system. First change 150k, then every 5 years/150k.
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