Chevrolet Workshop Service and Repair Manuals

Engine Oil: Specifications

Diesel engine ................................................................................................................................................................SG/CD(Motor Oil, API Service SG)
Gasoline engine ...................................................................................................................................................................................................................SG
CAPACITY, Refill:                                   
Diesel, including filter
4-, 6-cyl.........................................................................................................................................................................................5.8 Liters          6.0 Quarts
8-cyl..............................................................................................................................................................................................6.6 Liters          7.0 Quarts
Gasoline,
2.5L (151) eng...............................................................................................................................................................................2.8 Liters          3.0 Quarts
Others ......................................................................................................................................................................................... 3.8 Liters          4.0 Quarts
Gasoline, capacity shown is without filter. When replacing filter, additional oil may be needed
Diesel Engine:
4-cyl.
Above 32°F (0°C) ..............................................................................................................................................................................................................30*
Above 15°F (-10°C) ....................................................................................................................................................................................................15W-40
Below 100°F (38°C) ...................................................................................................................................................................................................10W-30
6-, 8-cyl.
Above 32°F (0°C) ..............................................................................................................................................................................................................30*
0° to 60°F (-8° to 16°C) ..............................................................................................................................................................................................15W-40
Below 60°F (16°C) .....................................................................................................................................................................................................10W-30
Gasoline Engine:
Above 40°F (4°C) ................................................................................................................................................................................................................30
Above 20°F (7°C) .......................................................................................................................................................................................................20W-20
Above 10°F (-12°C) ....................................................................................................................................................................................................15W-40
Above 0°F (-18°C) ......................................................................................................................................................................................................10W-30
Below 60°F (16°C) .....................................................................................................................................................................................................5W-30‡

*30 is preferred above 32°F (0°C), especially for continuous duty driving
‡5W-30 may be used up to 100°F (38°C) in 4-cyl. & 2.8L 6-cyl. engines