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 Engine Oil Viscosity in Explanation of Scheduled Services.

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 Coolant Supplemental Sealer

Notice: DO NOT use cooling system seal tabs, or similar compounds, unless otherwise instructed. The use of cooling system seal tabs, or similar compounds, may restrict coolant flow through the passages of the cooling system or the engine components. Restricted coolant flow may cause engine overheating and/or damage to the cooling system or the engine components/assembly.

Hydraulic Brake System

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

Windshield Washer Solvent

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

Hydraulic Clutch System

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

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).

Manual Transmission

Synchromesh Transmission Fluid (GM P/N 12345349).

Automatic Transmission

DEXRON®-IIIG Automatic Transmission Fluid.

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 LB or GC-LB.

Front Wheel Bearings-RWD

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

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. Do not add friction modifier.

Transfer Case

DEXRON®-IIIG Automatic Transmission Fluid.

Automatic Transfer Case

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

Column Shift Linkage

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

Floor Shift Linkage

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

Propeller Shaft Slip Splines and Universal Joints

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

Clutch Pushrod to 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 Grade 2, Category LB or GC-LB.

Hood Latch Assembly

  1. Pivots and Spring Anchor
  2. Release Pawl

Lubriplate® Lubricant Aerosol (GM P/N 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).

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

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

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).