Fluid · Coolant
Coolant
for 1988-2000 GMC K2500 5.7L V8 · 4WD
Fluid Type
Dexcool orange 50/50
Spec: GM 6277M
Capacity
18qt
17.03 L
Drain & Refill
13 qt
12.3 L
Change Interval
100,000 mi
160,900 km
Data quality
Book-style estimate
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Notes
Extended life coolant introduced 1996, earlier years used green coolant. Do not mix types
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