Engine Coolant Specifications: BUICK: Maintenance
Inspect cooling system every 12 months or 15, 000 miles. Drain and flush cooling system every 24 months or 30, 000 miles.
CAPACITY (Qts.)
| Application | Standard | With A/C | ||
|---|---|---|---|---|
| 2.5L (151") 4-Cyl. | 9.5 | 9.5 | ||
| 2.8L (173") V6 | 11.5 | 11.5 | ||
| 3.8L (231") V6 | ||||
| Riviera | 13.5 | 14.0 | ||
| All Other Models | ||||
| (Exc. Turbo) | 13.0 | 13.0 | ||
| Turbo | 13.5 | 13.5 | ||
| 4.1L (252")V6 | 13.0 | 13.0 | ||
| 4.3L (265") V8 | 20.0 | 20.5 | ||
| 5.0L (307") V8 | ||||
| Riviera | 16.5 | 16.5 | ||
| All Other Models | 19.0 | 19.0 | ||
| 5.7L (350") V8 Diesel | 18.0 | 18.0 | ||