2003 Chevrolet Express Van Owner's Manual - Page 366

Part D: 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 with the American Petroleum Institute Certified for Gasoline Engines starburst symbol Engine Oil of the proper viscosity. To determine the preferred viscosity for your vehicle's engine, see Engine Oil on page 5- 14. 50/50 mixture of clean, drinkable water and use only Engine Coolant DEX-COOL@Coolant. See Engine Coolant on page 5-24. Hydraulic Brake Delco Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid. System GM Optikleen@ Washer Solvent or Windshield Washer Solvent eauivalent. Usage --t I C I Fluid/Lubricant Chassis Lubricant (GM Part No. U.S. 12377985, in Parking Brake Canada 88901242, or equivalent) or Cable Guides lubricant meeting requirements of NLGl #2, Category LB or GC-LB. GM Power Steering Fluid Power Steering (GM Part No. US. 1052884, in System Canada 993294, or equivalent). DEXRON@ -111 Automatic Automatic Transmission Fluid. 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 Chassis Canada 88901242, or equivalent) or Lubrication lubricant meeting requirements of NLGl #2, Category LB or GC-LB. Wheel bearing lubricant meeting requirements of NLGl #2, Category Front Wheel GC or GC-LB (GM Part No. Bearings U.S. 1051344, in Canada 993037, or equivalent). Usage 6-19