2009 Chevrolet Suburban 2500 Owner's Manual - Page 537

Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Usage Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines starburst symbol. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 5-15. Usage Fluid/Lubricant Power Steering GM Power Steering Fluid (GM Part No. U.S. 89021184, System in Canada 89021186). Automatic Transmission Key Lock Cylinders DEXRON®-VI Automatic Transmission Fluid. Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. SAE 80W-90 Axle Lubricant (GM Part No. U.S. 89021671, in Canada 89021672). SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. Engine Oil Chassis Lubrication Front Axle (1500 Series Vehicles with Four-Wheel Drive) Front Axle (2500 Series Vehicles with Four-Wheel Drive) 50/50 mixture of clean, drinkable water and use only DEX-COOL® Engine Coolant Coolant. See Engine Coolant on page 5-29. 3 Hydraulic Brake Fluid Hydraulic Brake DOT Part No. U.S. 12377967, (GM System in Canada 89021320). Windshield Washer Optikleen® Washer Solvent. 6-13