GM Service Manual Online
For 1990-2009 cars only

Fluids and lubricants identified below by name, part number or specification may be obtained from your dealer.

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 .

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 Solvent

GM Optikleen Washer Solvent or equivalent.

Power Steering System

GM Power Steering Fluid (GM Part No. U.S. 1052884, in Canada 993294, or equivalent).

Automatic Transmission

DEXRON-III Automatic Transmission Fluid.

Key Lock Cylinders

Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474, or equivalent).

Chassis Lubrication

Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242, or equivalent) 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 or equivalent).

Front Axle (All-Wheel Drive)

SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) or equivalent meeting GM Specification 9986115.

Rear Axle

SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) or equivalent meeting GM Specification 9986115.

Rear Axle (Steerable)

Synthetic Axle Lubricant; use only GM Part No. 12378557 (in Canada 88901362). Do not add friction modifier.

Transfer Case (All-Wheel Drive with Stabilitrak)

Dexron-III Automatic Transmission Fluid.

Automatic Transfer Case

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, or equivalent).

Outer Tailgate Handle Pivot Points

Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474, or equivalent).

Weatherstrip Conditioning

Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 10953014, or equivalent).

Weatherstrip Squeaks

Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437, or equivalent).