Updated Engine Oil Capacities Chart

An updated Engine Oil Capacities chart for the 2019-2020 model years is now available under the Reference Chart menu. The chart includes engine, RPO, specifications (liters and quarts) and oil viscosity for 2019 and 2020 Chevrolet, Buick, GMC and Cadillac models. (Fig. 25)


Fig. 25


TIP: Refer to the owner’s manual for cold temperature operation oil viscosities.

For more information on the appropriate engine oil for a particular engine application, check the Approximate Fluid Capacities section and the Fluid and Lubricant Recommendations section under the Maintenance Items link at the top of the Service Category Type page in the appropriate Service Information. (Fig. 26)

The Maintenance Items link also provides quick access to information on GM Oil Life System resetting, tire rotation, air filter replacement, spark plug replacement, brake pad inspection, and other common maintenance items.


Fig. 26


– Thanks to Mark Spencer

Auxiliary Transmission Fluid Pump Performance
GM Service Know-How

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