Fluid · Coolant
Coolant
for 1978 Oldsmobile Cutlass 260ci V8 Diesel · 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
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Diesel engines typically have larger cooling system capacity. Use supplemental coolant additive (SCA) for diesel protection