Fluid · Coolant
Coolant
for 1978 Buick Regal 350ci V8 Diesel · RWD
Fluid Type
Ethylene glycol 50/50 green
Spec: GM 1899-M or equivalent
Capacity
18qt
17.03 L
Drain & Refill
15 qt
14.19 L
Change Interval
24,000 mi
38,616 km
Data quality
Book-style estimate
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Notes
Diesel engine typically has larger cooling system. Block and heater core retain some fluid on drain.