Fluid · Coolant
Coolant
for 1985-1987 Buick Somerset 3.0L V6 · FWD
Fluid Type
Ethylene glycol 50/50 orange
Spec: GM 6277M or DEX-COOL
Capacity
11qt
10.41 L
Drain & Refill
9.5 qt
8.99 L
Change Interval
30,000 mi
48,270 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
V6 has higher capacity than 4-cylinder. Mid-80s transition to long-life coolant
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