Fluid · Coolant
Coolant
for 1999 Chevrolet Suburban 7.4L V8 454 · 4WD
Fluid Type
Dex-Cool 50/50 orange
Spec: GM 6277M
Capacity
24qt
22.7 L
Drain & Refill
18 qt
17.03 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
7.4L big block has larger cooling system capacity. DEX-COOL long-life coolant
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