1996 GMC Savana Van Owner's Manual - Page 237

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS As shown in the chart, SAE 5W-30 is best for your FOR BESTFUELECONOMYANDCOLDSTARTING,SELECTTHE LOWEST SAE VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. vehicle. However, you can use SAE ]OW-30 if it's going to be 0°F (- 18°C) or above. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils, such as SAE 20W-50. HOT WEATHER LOOK FOR THIS SYMBOL NOTICE: Use only engineoil with the American Petroleum Institute Certified For Gasoline Engines LcStarbur~t" symbol. Failure to use the recommended oilcan result in engine damage not coveredby your warranty. GM Goodwrench@oil meets all the requirements for your vehicle. COLD WEATHER DONOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED 83+ i 1 +27 Engine Oil Additives Don't add anything to your oil. Your GM dealer is ready to advise if you think something should be added. 6-13