Fluid · Coolant
Coolant
for 1990 GMC Vandura 4.3L V6 · RWD
Fluid Type
Dexcool 50/50 orange
Spec: GM 12346290 or DEX-COOL
Capacity
14qt
13.24 L
Drain & Refill
12 qt
11.35 L
Change Interval
150,000 mi
241,350 km
Notes
1990 was transitional year, may have come with green coolant initially but Dexcool retrofit is common. Verify existing type.
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