2009 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 557

Recommended Fluids and Lubricants This maintenance section applies to vehicles with a gasoline engine. If your vehicle has a diesel engine, see the maintenance schedule section in the DURAMAX® Diesel manual. Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines Engine Oil starburst symbol. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 5-15. 50/50 mixture of clean, drinkable ® Engine Coolant water and use only DEX-COOL coolant. See Engine Coolant on page 5-29. 3 Hydraulic Brake Fluid Hydraulic Brake DOT Part No. U.S. 12377967, in (GM System Canada 89021320). Windshield Optikleen® Washer Solvent. Washer Usage Fluid/Lubricant GM Power Steering Fluid Power Steering (GM Part No. U.S. 89021184, in System Canada 89021186). Automatic DEXRON®-VI Automatic Transmission Transmission Fluid. Multi-Purpose Lubricant, Superlube Key Lock (GM Part No. U.S. 12346241, in Cylinders Canada 10953474). Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Floor Shift Canada 992723) or lubricant Linkage meeting requirements of NLGI #2 Category LB or GC-LB. 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 80W-90 (1500 Series) - SAE Part No. Axle Lubricant in (GM U.S. 89021671, Four-Wheel Canada 89021672). Drive Front Axle SAE 75W-90 Synthetic (1500, Axle Lubricant 2500 HD, and (GM Part No. U.S. 89021677, 3500 HD in Canada 89021678) meeting Series) GM Specification 9986115. Usage 6-15