Fluid · Coolant
Coolant
for 2003 GMC Sierra 1500 5.3L V8 Vortec · RWD
Fluid Type
Dex-Cool 50/50
Spec: GM 6277M
Capacity
15.5qt
14.66 L
Drain & Refill
12 qt
11.35 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Orange extended-life coolant, initial fill good for 5 years/150k miles
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