Buick Special, Skylark (USA / CAN)
Coolant capacity & service interval
Buick Special and Skylark (USA / CAN) models utilize coolant with a capacity range of 12,3 to 12,8 liters. The data covers 3 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Special V6 (1962-1963) |
|
| Skylark (1961-1963) |
|
| Special V8 (1961-1963) |
|
Additional Notes
- The Buick Skylark (1961-1963) carries a cooling system capacity of 12.8 liters, a figure consistent with a full service fill of the entire cooling circuit including the engine block, cylinder head passages, and radiator.
- The Special V8 for 1961-1963 shares the same 12.8-liter cooling system capacity as the Skylark, reflecting a common engine cooling architecture between the two configurations despite their different model designations.
- The Special V6, available for 1962-1963, holds a slightly lower cooling system capacity of 12.3 liters, a difference of 0.5 liters compared to the V8 and Skylark figures, which corresponds to the reduced displacement and block volume of a six-cylinder engine relative to a V8.
- All three configurations list their capacity under normal use conditions, meaning the 12.8-liter and 12.3-liter figures apply to standard operating environments rather than severe-duty or first-change scenarios.
- The 0.5-liter difference between the V6 and V8 Special variants illustrates how engine architecture directly influences total coolant volume, since a V8 block contains more internal water jacket surface area than a V6 of the same era.