Fluid and Lubricant Recommendations

Recommended Fluids and Lubricants

Usage	Fluid/Lubricant
Engine Oil	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.
Engine Coolant	50/50 mixture of clean, drinkable water and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® Coolant. See Engine Coolant in the Index.
Hydraulic Brake System	Delco Supreme 11® Brake Fluid (GM P/N 12377967, Canadian P/N 992667 or equivalent DOT-3 brake fluid).
Windshield Washer Solvent	GM Optikleen® Washer Solvent (GM P/N 1051515, Canadian P/N 993033) or equivalent.
Parking Brake Cable Guides	Chassis Lubricant (GM P/N 12377985 or equivalent) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Power Steering System	GM Power Steering Fluid (GM P/N 1052884 - 1 pint, 1050017 - 1 quart, Canadian P/N 993294 - 1 pint, Canadian P/N 992646 - 1 quart or equivalent).
Automatic Transmission	DEXRON III® Automatic Transmission Fluid.
Key Lock Cylinders	Multi-Purpose Lubricant, Superlube® (GM P/N 12346241, Canadian P/N 10953474 or equivalent).
Chassis Lubrication	Chassis Lubricant (GM P/N 12377985 or equivalent) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Front and Rear Axle	SAE 75W-90 Synthetic Axle Lubricant (GM P/N 89021677, Canadian P/N 89021678) or equivalent meeting GM Specification 9986115.
Transfer Case	AUTO-TRAK II Fluid (GM P/N 12378508, Canadian P/N 10953626).
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor	Lubriplate® Lubricant Aerosol (GM P/N 1052349, Canadian P/N 992723 or equivalent) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hood and Door Hinges	Multi-Purpose Lubricant, Superlube® (GM P/N 12346241, Canadian P/N 10953474 or equivalent).
Outer Tailgate Handle Pivot Points and Hinges	Multi-Purpose Lubricant, Superlube® (GM P/N 12346241, Canadian P/N 10953474 or equivalent).
Weatherstrip Conditioning	Dielectric Silicone Grease (GM P/N 12345579, Canadian P/N 1974984 or equivalent).
Weatherstrip Squeaks	Synthetic Grease With Teflon, Superlube® (GM P/N 12371287, Canadian P/N 10953437 or equivalent).