Fluid · Coolant
Coolant
for 1973 Chevrolet Impala 400ci V8 · RWD
Fluid Type
Ethylene glycol green 50/50
Spec: GM 1899-M or equivalent
Capacity
18qt
17.03 L
Drain & Refill
18 qt
17.03 L
Change Interval
24,000 mi
38,616 km
Data quality
Book-style estimate
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Notes
System capacity varies slightly with heater and A/C configuration. 400ci engine has slightly higher capacity.