305 cu in (5.0L) GMC V6 (305C/305D)โ€ขRWDโ€ขMANUALโ€ขgas
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Fluid ยท Coolant

Coolant

for 1965 GMC 1000 Series 305 cu in (5.0L) GMC V6 (305C/305D) ยท RWD
Fluid Type
Ethylene glycol 50/50 green
Spec: GM 1899-M (period appropriate)
Capacity
16qt
15.14 L
Drain & Refill
14 qt
13.24 L
Change Interval
24,000 mi
38,616 km

Notes

System capacity includes heater. GMC six slightly larger than Chevy 230

Other fluid systems on this vehicle

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