gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Refrigerant > < Engine Oil|Capacity Specifications
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Engine Oil: Fluid Type Specifications

Always use "SG or SH" quality energy conserving II oils of proper viscosity. Engine oil with the American Petroleum Institute Certified For Gasoline
Engines "Starburst" symbol of the proper viscosity. To determine the preferred viscosity for your vehicle's engine, refer to the Owner's Manual.

Refrigerant > < Engine Oil|Capacity Specifications