Fluid · Coolant
Coolant
for 2009 Chevrolet Avalanche 5.3L Vortec V8 (LMG/LY5, flex-fuel on some versions) · 4WD
Fluid Type
Dex-Cool 50/50
Spec: GM 6277M
Capacity
17.5qt
16.55 L
Drain & Refill
15 qt
14.19 L
Change Interval
150,000 mi
241,350 km
Notes
Long-life orange coolant; initial fill 150k miles, then every 5 years/150k
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