Automatic Transfer Case

Automatic transfer case fluid AUTO-TRAK II Fluid (GM P/N 12378508)

Automatic Transfer Case (Diesel Engine)

Automatic transfer case fluid (GM P/N 12378396)

Transfer Case (Pickup)

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

Automatic Transmission

DEXRON®-III, Automatic Transmission Fluid

Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seat and Fuel Door Hinge

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 # 2 Category LB or GC-LB.

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 this vehicle's engine, refer to Explanation of Scheduled Services .

Engine Oil (Diesel Engine)

Engine oil with the letters CH-4 or CG-4 is best for this vehicle. The CH-4 or CG-4 designation may appear either alone, or in combination with other API designations, such as API CH-4/SJ, CG-4/SH or CH-4/CG-4/SJ. These letters show American Petroleum Institute (API) level of quality.

To determine the preferred viscosity for this vehicle's engine, refer to Explanation of Scheduled Services .

Floor Shift Linkage

Lubriplate® Lubricant Aerosol (GM P/N 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB.

Front Axle (S4WD)

SAE 80W-90 Axle Lubricant (GM P/N 89021671, Canadian P/N 10950849 or equivalent).

Front Axle (F4WD and all 9.25)

SAE 75W-90 Synthetic Axle Lubricant (GM P/N 12378261, Canadian P/N 10953455) or equivalent meeting GM Specification 9986115.

Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)

Spline Lubricant, Special Lubricant (GM P/N 12345879) or lubricant meeting requirements of GM 9985830.

Hood Hinges

Multi-Purpose lubricant, Superlube® (GM Part No. 12346241 or equivalent).

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

Lubriplate® Lubricant Aerosol (GM P/N 12346293 or equivalent) or lubricant meeting requirements 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 Transfer Case

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

Manual Transmission (5-Speed with Low Gear, RPO MW3

GM Goodwrench Synthetic Manual Transmission Fluid (GM P/N 12346190-1 qt.) or equivalent SAE 75W-85 GL-4 gear oil.

Manual Transmission (5-Speed without Low Gear, RPO MG5)

Synchromesh Transmission Fluid (GM P/N 12345349 or equivalent).

Manual Transmission (6-Speed)

TransSynd™ Synthetic Automatic Transmission Fluid (GM P/N 12378515).

Outer Tailgate Handle Pivot Points

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

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, 1050017 - 1 quart, or equivalent).

Weatherstrip Conditioning

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

Windshield Washer Solvent

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

Weatherstrip Squeaks

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

Tailgate Handle Pivot Points, Hinges, Latch Bolt and Linkage

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

Rear Axle

SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115.

Rear Driveline Center Spline

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