Crankcase

Type SG(Motor Oil, API Service SG)
CAPACITY, Refill:
1987 4-cyl. 2.5L Calais
w/Auto. Trans., Ciera 2.8 Liters 3.0 Quarts
Others 3.8 Liters 4.0 Quarts
Capacity shown is without filter. When replacing filter, additional oil may be needed
1987-88 3.0L V6, 3.8L V6; 1991-92 3.3L V6 3.8L V6:
Above 40°F (4°C) 30
Above 0°F (-18°C) 10W-30‡
Below 60°F (16°C) 5W-30
1987-88 Others; 1989-90; 1991-92 Others
Above 40°F (4°C) 30
Above 0°F (-18°C) 10W-30
All temperatures 5W-30‡
‡Preferred
‡‡Use only if other specified grades are unavailable