1996 Chevrolet Suburban Owner's Manual - Page 295
1996 Chevrolet Suburban Manual
Page 295 highlights
HEAVY DUTY EMISSIONS - GASOLINE ENGINES - RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS ~~ FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST SAL VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. HOT WEATHER / v LOOK FOR THIS SYMBOL "F +lo0 t8Q c - +38 +16 +4 - - +27 +60 - SAE 1OW-30 PREFERRED +4Q -- + 2 0 ---7 0 ---18 SAE 5W-30 WEATHER DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED cola As shown in the chart, SAE IOW-30 is best for your vehicle. nowever, you can use SAE 5W-30 if it's going to be colder than 60°F ( I 6°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. 6-1 8