What kind of engine oil to use – GMC 2009 Sierra User Manual

Page 327

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What Kind of Engine Oil to Use

Look for three things:

GM6094M

Your vehicle’s engine requires oil meeting
GM Standard GM6094M. Look for and use
only an oil that meets GM Standard GM6094M.

SAE 5W-30

As shown in the viscosity chart, SAE 5W-30
is best for your vehicle.
These numbers on an oil container show
its viscosity, or thickness. Do not use other
viscosity oils such as SAE 20W-50.

Oils meeting these
requirements should
have the starburst
symbol on the container.
This symbol indicates
that the oil has
been certified by the
American Petroleum
Institute (API).

Look for this information on the oil container, and
use only those oils that are identified as meeting
GM Standard GM6094M and have the starburst
symbol on the front of the oil container.

Notice: Use only engine oil identified as meeting
GM Standard GM6094M and showing the American
Petroleum Institute Certified For Gasoline Engines
starburst symbol. Failure to use the recommended
oil can result in engine damage not covered by
your warranty.

If you are in an area of extreme cold, where
the temperature falls below

20°F (

29°C), it is

recommended that you use either an SAE 5W-30
synthetic oil or an SAE 0W-30 oil. Both provide
easier cold starting and better protection for the
engine at extremely low temperatures.

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