Automatic Transmission

DEXRON®-III G-license number Automatic Transmission Fluid.

Chassis Lubricant

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

Differential, Locking

Only use Axle Lubricant GM P/N 1052271. Do NOT add friction modifier.

Engine Coolant

50/50 mixture of clean, drinkable water and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® coolant.

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.

Front Wheel Bearings

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

Hydraulic Brake System

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

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 or 1050017 - 1 quart, or equivalent).

Propshaft Splines and Universal Joints

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

Rear Drive Axle (8.6" Axle)

Lubricant 12378261 or equivalent meeting GM Specification 9986115

Rear Drive Axle (9.5", 10.5" Axles - with RPO G80)

Lubricant 1052271 only

Rear Drive Axle (9.5", 10.5" Axles - without RPO G80)

Lubricant 1052271 or SAE 80W-90 GL5

Supercharger Oil

Supercharger Oil (GM P/N 12345982) or equivalent

Windshield Washer Solvent

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