Crankcase

TYPE SG, SH(Motor Oil, API Service SG, SH)‡

CAPACITY, Refill:

1991-93 3.4 Code X 4.8 Liters 5.0 Quarts
Others 3.8 Liters 4.0 Quarts
Capacity shown is without filter. When replacing filter, additional oil may be needed

Variable Fuel engine
All temperature 10W-30‡
Others
Above 40°F (4°C) 30*
Above 0°F (-18°C) 10W-30
All temperatures 5W-30‡‡
*Use only if other specified grades are unavailable
‡Variable fuel engine oil must meet GM sped 4717M. For emergency only 10W-30 SG oil may be used. Replace oil & oil filter as soon as possible with GM spec 4717M oil.
‡‡Preferred