2005 GMC Yukon Owner's Manual - Page 497

Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number or specification may be obtained from your dealer. Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines starburst symbol. Engine Oil 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 50/50 mixture of clean, drinkable only Engine Coolant water and useCoolant. See Engine DEX-COOL® Coolant on page 5-24 Hydraulic Brake Delco Supreme 11 Brake Fluid or System equivalent DOT-3 brake fluid. Windshield ® Washer Solvent GM Optikleen Washer Solvent. Usage Fluid/Lubricant Power Steering GM Power Steering Fluid (GM Part No. U.S. 89021184, in System Canada 89021186). DEXRON®-III Automatic Automatic Transmission Fluid. Look for Transmission "Approved for the H-Specification" on the label. Multi-Purpose Lubricant, Superlube Key Lock (GM Part No. U.S. 12346241, in Cylinders Canada 10953474). Chassis Lubricant (GM Part No. U.S. 12377985, in Chassis Canada 88901242) or lubricant Lubrication meeting requirements of NLGI #2, Category LB or GC-LB. Front Axle SAE 80W-90 Axle Lubricant (Four-Wheel (GM Part No. U.S. 1052271, in Drive) Canada 10950849). SAE 75W-90 Synthetic Axle Front Axle Lubricant (GM Part No. (All-Wheel U.S. 12378261, in Canada Drive) 10953455) meeting GM Specification 9986115. Usage 6-13