1996 Chevrolet Tahoe Owner's Manual - Page 267
1996 Chevrolet Tahoe Manual
Page 267 highlights
RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLDSTARTING,SELECT THE LOWEST SAL VlSCOSlN GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. As shown in the chart, SAE 5W-30 is best for your vehicle. However, you can use SAE low-30 if it's going to be 0"F (- 18 C ) or above. These numbers onan oil container show itsviscosity, or thickness. Do not use other viscosity oils, such as SAE 20W-50. O HOT WEATHER __ . WOK FOR T I H S SYMBOL NOTICE: Use only engine oil with the American Petroleum Institute Certified For Gasoline Engines to '.'Starburst" symbol. Failure use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench@oil meets all therequirements for your vehicle. "F 1ao1 + ea - "C +38 +27 - +a- - +16 + 40I -+4 + 2a1 - - - 7 0 ---la ~ m SAL .,Jy-30 (a1 u COLD WEATHER SAX % - L o . Engine Oil Additives Don't add anything to your oil. Your GM dealer is ready to advise if you think something should be added. DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED PREFERRED 6-14