GM Service Manual Online
For 1990-2009 cars only

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, refer to the Owner's Manual

Engine Coolant

50/50 mixture of clean water (preferably distilled) and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® coolant.

Hydraulic Brake System

Delco Supreme 11® Brake Fluid (GM P/N 12377967 or equivalent DOT-3 brake fluid).

Park Brake Cable Guides

Chassis lubricant (GM P/N 12377985 or equivalent) meeting requirements of NLGI Grade 2, Category GC or GC-LB

Power Steering System

GM Hydraulic Power Steering Fluid (GM P/N 1052884 - 1 pint, 1050017 - 1 quart, or equivalent).

Automatic Transmission

DEXRON®-III Automatic Transmission Fluid

Manual Transmission (MW3)

GM Goodwrench Synthetic Manual Transmission Gear Oil (GM Part No. 12346190 - 1 quart) or equivalent SAE 75W-90 GL-4 Gear Oil

Manual Transmission (MG5)

Synchromesh Transmission Fluid (GM Part No. 12345349 or equivalent).

Key Lock Cylinders

Multi-Purpose Lubricant, Superlube® (GM P/N 12346241 or equivalent).

Chassis Lubrication

Chassis lubricant (GM P/N 12377985 or equivalent) or lubricant meeting requirements of NLGI Grade 2, Category GC or GC-LB.

Front Wheel Bearings-RWD

Wheel bearing lubricant (GM P/N 1051344) or equivalent) or lubricant meeting requirements of NLGI Grade 2, Category GC or GC-LB

Differential, Standard, Front and Rear Axle

Axle Lubricant (GM P/N 1052271) or SAE 80W-90 GL-5 Gear Lubricant.

Differential, Locking

Axle Lubricant (GM P/N 1052271) or SAE 80W-90 GL-5 Gear Lubricant.

Transfer Case

Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)

Windshield Washer Solvent

GM Optikleen® Washer Solvent (GM P/N 1051515) or equivalent

Hood Latch Assembly

    • Pivots and Spring Anchor
    • Release Pawl

Lubriplate lubricant aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI Grade 2, Category LB or GC-LB.

Hood and Door Hinges

Multi-Purpose lubricant, Superlube® (GM P/N 12346241 or equivalent).

Weatherstrip Conditioning

Dielectric Silicone Grease (GM P/N 12345579 or equivalent).