Fluids and lubricants identified below by name, part number, or specification may be obtained from your dealer.
Usage  | Fluid/Lubricant  | 
|---|---|
Engine Oil  | Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines starburst symbol. GM Goodwrench® oil meets all the requirements for your vehicle. 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  | Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.  | 
Windshield Washer  | GM Optikleen Washer Solvent.  | 
Power Steering System  | GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186).  | 
Automatic Transmission  | DEXRON®-III Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.  | 
Key Lock Cylinders  | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).  | 
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 (Four-Wheel Drive)  | SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849).  | 
Front Axle (All-Wheel Drive)  | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.  | 
Rear Axle  | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.  | 
Rear Axle (Steerable)  | Synthetic Axle Lubricant; use only GM Part No. U.S. 12378557, in Canada 88901362. Do not add friction modifier.  | 
Transfer Case (All-Wheel Drive with StabiliTrak®)  | DEXRON®-III Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.  | 
Automatic Transfer Case (Four-Wheel Drive)  | AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626).  | 
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)  | Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830.  | 
Hood Hinges  | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).  | 
Outer Tailgate Handle Pivot Points  | Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).  | 
Weatherstrip Conditioning  | 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).  |