GM Service Manual Online
For 1990-2009 cars only

Recommended Fluids and Lubricants

USAGE

FLUID/LUBRICANT

Automatic Transmission

DEXRON®-III Automatic Transmission Fluid

Automatic Transfer Case

Automatic Transfer Case Fluid (GM P/N 12378396 or equivalent).

Chassis Lubrication

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

Clutch Pushrod to Clutch Fork Joint

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

Constant Velocity Universal Joint

Chassis Lubricant (GM P/N 12377895 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB.

Tailgate Mounted Spare Tire Carrier (if equipped), Outer Endgate Handle Pivot Points and Hinges

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

Engine Coolant

A 50/50 mixture of clean, drinkable water and use only GM Goodwrench DEX-COOL® or Havoline® DEX-COOL® (orange-colored, silicate-free) coolant conforming to GM specification 6277M.

Engine Oil

Engine Oil with the American Petroleum Institute Certified For Gasoline Engines Starburst symbol of the proper viscosity.

Front and Rear Axle Standard Differential

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

Hood and Door Hinges

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

Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl

Lubriplate ® Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting rquirements of NLGI # 2, Category LB or GC-LB.

Hydraulic Brake System

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

Hydraulic Clutch System

Hydraulic Clutch Fluid (GM P/N 12345347 or equivalent DOT-3 Brake Fluid).

Key Lock Cylinders

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

Manual Transmission

V6 engine: Synchromesh Transmission Fluid (GM P/N 12345349).

Park Brake Cable Guides

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

Power Steering System

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

Rear Axle (Locking, Differential)

Axle Lubricant (GM P/N 1052271) or SAE 80W-90 GL-5 Gear Lubricant. Do not add friction modifier.

Rear Driveline Center Spline and Universal Joints

Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB.

Weatherstrip Conditioning

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

Weatherstrip Squeaks

Synthetic Grease with Teflon, Loctite Superlube® (GM P/N 12371287 or equivalent).

Windshield Washer Solvent

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