1996 Chevrolet Monte Carlo Owner's Manual - Page 221
1996 Chevrolet Monte Carlo Manual
Page 221 highlights
RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BESTFUELECONOMYANDCOLDSTARTING,SELECT M LOWEST E SAE VISCOSITY GRADE OIL FORTHE EXPECTED TEMPERATURE RANGE. -~ -~ MOT WEATHER LOOK FOR MIS SYMBOL As shown in the chart, if you have the 3.4L engine, SAE IOW-30 is best for your vehicle. However, you can use SAE 5W-30 if it's going to be colder than 60°F ( 16°C) before your next oil change. When it's very cold, you should use SAE 5W-30. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils, such as SAE 20W-50. 8 - SAE 1OW-30 PREFERRED above 0°F (-18T) I I NOTICE: Use only engine oil with American Petroleum the Institute Certified For Gasoline Engines "Starburst" symbol. Failure use the to recommended oil can result in engine damage not coveredby your warranty. GM Goodwrench@oil meets all the requirements for your vehicle. l-7 j COLD WEATHER SAE 5w-30 ngin - Don't add anything to your oil. Your Chevrolet dealer is ready to advise if you think something should be added. DO NOT USE SAE 2OW-50 ANY OTHER OR GRADE OIL NOT RECOMMENDED 6-13