2001 GMC Sierra 1500 Pickup Owner's Manual - Page 450

Part D: Recommended Fluids and Lubricants NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your dealer. USAGE Engine Oil FLUID/LUBRICANT Engine oil with the American 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" in the Index. 50/50 mixture of clean, drinkable water and use only GM GoodwrenchR DEX-COOLR or HavolineR DEX-COOLR Coolant. See "Engine Coolant" in the Index. Delco Supreme 11R Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 brake fluid). USAGE Windshield Washer Solvent Hydraulic Clutch System Power Steering System Manual Transmission (5-Speed with Low Gear, RPO MW3) Manual Transmission (5-Speed without Low Gear, RPO MG5) Manual Transmission (6-Speed) FLUID/LUBRICANT GM OptikleenR Washer Solvent (GM Part No. 1051515) or equivalent. Hydraulic Clutch Fluid (GM Part No. 12345347 or equivalent DOT-3 brake fluid). GM Power Steering Fluid (GM Part No. 1052884 - 1 pint, 1050017 - 1 quart, or equivalent). GM Goodwrench Synthetic Manual Transmission Fluid (GM Part No. 12346190 - 1 qt.) or equivalent SAE 75W-85 GL-4 gear oil. Synchromesh Transmission Fluid (GM Part No. 12345349 or equivalent). Engine Coolant Hydraulic Brake System TranSynd Synthetic Automatic Transmission Fluid (GM Part No. 12378515). t 7-25