2005 Chevrolet Cobalt Owner's Manual - Page 328

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 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 5-15. The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard may be identified with the American Petroleum Institute Certified for Gasoline Engines starburst symbol. However, not all synthetic API oils with the starburst symbol 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 5-15. Engine Oil (2.2L L4 engine) Engine Oil (2.0L L4 Supercharged engine) Fluid/Lubricant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Engine Coolant Coolant. See Engine Coolant on page 5-23. Intercooler System Coolant 50/50 mixture of clean, (2.0L L4 drinkable water and use only Supercharged DEX-COOL® Coolant. engine) Hydraulic Brake Delco Supreme 11 Brake Fluid or System equivalent DOT-3 brake fluid. Hydraulic Delco Supreme 11 Brake Fluid or Clutch System equivalent DOT-3 brake fluid. Windshield ® Washer Solvent Optikleen Washer Solvent. Chassis Lubricant (GM Part No. Parking Brake 12377985, in Canada 88901242) or Cable Guides lubricant meeting requirements of NLGI #2, Category LB or GC-LB. DEXRON®-III Automatic Manual Transmission Fluid. Look for Transaxle "Approved for the H-Specification" on the label. DEXRON®-III Automatic Automatic Transmission Fluid. Look for Transaxle "Approved for the H-Specification" on the label. Usage 6-12