What Kind Of Engine Oil To Use - Chevrolet 2000 Express Van Owner's Manual

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What Kind of Engine Oil to Use

Oils recommended for your vehicle can be identified by
looking for the starburst symbol.
This symbol indicates that the oil has been certified by
the American Petroleum Institute (API). Do not use any
oil which does not carry this starburst symbol.
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 for your
vehicle, as shown in the following chart:
6-14