2008 GMC Envoy Owner's Manual - Page 428

Recommended Fluids and Lubricants 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 Engine Oil Engines starburst symbol. To determine the proper viscosity for your vehicle's engine, see Engine Oil on page 5-16. 50/50 mixture of clean, drinkable ® Engine Coolant water and use only DEX-COOL Coolant. See Engine Coolant on page 5-26. Hydraulic Brake Delco® Supreme 11 Brake Fluid or System equivalent DOT-3 brake fluid. Windshield Optikleen® Washer Solvent. Washer Usage Fluid/Lubricant Chassis Lubricant (GM Part No. U.S. 12377985, in Parking Brake Canada 88901242) or lubricant Cable Guides meeting requirements of NLGI #2, Category LB or GC-LB. Power Steering GM Power Steering Fluid (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). 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. SAE 75W-90 Synthetic Lubricant Front and Rear Axle Part No. U.S. 89021677, (GM Axle in Canada 89021678) meeting GM Specification 9986115. Usage 6-12