1995 Oldsmobile Silhouette Owner's Manual - Page 274

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COUl STARTING, SELECT THE LOWEST SAE VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. HOT WEATHER - / O F C '' +ioo- - t 3 8 If you change your own oil, be sure you use oil that has the "Starburst" symbol on the front of the oil container. If you have your oil changed for you, be sure the oil put into your engine is American Petroleum Institute certified for gasoline engines. You should also use the proper viscosity oil foryour vehicle, as shown in the following charts: + 8 0 - - +27 +60- - t 16 +ao--+4 +20---7 ~ O---l8 I SAE 1OW-30 3.1L V6 Engine As shown in the chart, SAE 5W-30 is best for your vehicle. However, you can use SAE 1OW-30 if it's going to be 0 O (- 18O C) or above. These numbers on an oil F container show its viscosity, or thickness. Do not use other viscosity oils, such as SAE 20W-50. i @) \ / -30 RED IF NEITHER SAL 5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USED AT TEMPERATURES ABOVE 40 DEGREES F (4 DEGREES C). DO NOT USE SAE 1OW-40.SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED COLD WEATHER 3.1L V6: Oil Viscosity Chart 6-14