2003 Chevrolet Avalanche Owner's Manual - Page 456

Part D: Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number or specificationmay be obtained from your dealer. Usage Petroleum Institute Certified for Gasoline Engines starburst symbol of the proper viscosity. To determine the preferred viscosity for your vehicle's engine, see Engine Oil on use only DEX-COOL ee Engine Coolant on Engine Oil Engine Coolant Hydraulic Brake Svstem Windshield Washer Solvent Fluid/Lubricant GM Power Steering Fluid (GM Part Power Steering No. U S . 1052884, in Canada System 993294, or equivalent). DEXRON@-Ill Automatic Automatic Transmission Fluid. Transmission Multi-Purpose Lubricant, Superlube Key Lock (GM Part No. U.S. 12346241, in Cylinders Canada 10953474, or equivalent). Chassis Lubricant (GM Part No. U.S. 12377985, in Canada Chassis 88901242, or equivalent) or lubricant Lubrication meeting requirements of NLGI #2, Category LB or GC-LB. SAE 8OW-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada Front Axle 10950849 or equivalent). SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) or Rear Axle equivalent meeting GM Specification 99861 15. Usage 6-17