Fluid · Coolant
Coolant
for 1965 GMC Panel 305 cu in (5.0L) GMC V6 · RWD
Fluid Type
Ethylene glycol 50/50 green
Spec: Conventional green antifreeze
Capacity
18qt
17.03 L
Drain & Refill
16 qt
15.14 L
Change Interval
24,000 mi
38,616 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Includes engine block and radiator. V8 has slightly higher capacity than I6. Use lead-compatible coolant