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.
Usage | Fluid/Lubricant |
|---|---|
Engine Oil | 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. |
Engine Coolant | 50/50 mixture of clean, drinkable water and use only DEX-COOL® coolant. See Engine Coolant. |
Hydraulic Brake System | DOT 3 Hydraulic Brake Fluid (GM Part No. U.S. 12377967, in Canada 89021320). |
Windshield Washer | Optikleen® Washer Solvent. |
Power Steering System | GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186). |
Automatic Transmission | DEXRON®-VI Automatic Transmission Fluid. |
Key Lock Cylinders | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). |
Floor Shift Linkage | Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB. |
Chassis Lubrication | Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. |
Front Axle (1500 Series) - Four-Wheel Drive | SAE 80W-90 Axle Lubricant (GM Part No. U.S. 89021671, in Canada 89021672). |
Front Axle (1500, 2500 HD, and 3500 HD Series) | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. |
Rear Axle | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. |
Transfer Case (Four-Wheel Drive) | DEXRON®-VI Automatic Transmission Fluid. |
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with 4-Speed Auto. Trans.) | Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830. |
Rear Driveline Center Spline | Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. |
Hood Hinges | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). |
Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seats, and Fuel Door Hinge | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). |
Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). |
Weatherstrip Conditioning | Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887). |
Weatherstrip Squeaks | Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437). |
