2007 Chevrolet Cobalt Owner's Manual - Page 402

Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification may be obtained from your dealer. Usage Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute (API) Certified for Gasoline Engines starburst symbol. GM Goodwrench® oil meets all the requirements for your vehicle. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 287. Engine Oil (2.2L and 2.4L L4 engines) Fluid/Lubricant The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard may be identified with the American Petroleum Institute (API) Certified Engine Oil for Gasoline Engines starburst (2.0L L4 symbol. However, not all synthetic Supercharged API oils with the starburst symbol engine) will meet this GM standard. You should look for and use only an oil that meets GM Standard GM4718M. GM Goodwrench® oil meets all the requirements for your vehicle. For the proper viscosity, see Engine Oil on page 287. 50/50 mixture of clean, drinkable Engine Cooling water and use only DEX-COOL® Coolant. See Engine Coolant on System page 296. Intercooler System 50/50 mixture of clean, drinkable (2.0L L4 water and use only DEX-COOL® Supercharged Coolant. engine) Usage 402