Usage | Fluid/Lubricant |
---|---|
Automatic Transfer Case (NP8 Only) | AUTO-TRAK® II Fluid GM P/N 12378508 (Canadian P/N 10953626) |
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 . |
Engine Coolant | 50/50 mixture of clean drinkable water and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® coolant |
Hydraulic Brake System | Delco Supreme 11® Brake Fluid GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid |
Windshield Washer Solvent | GM Optikleen ® Washer Solvent GM P/N 1051515 (Canadian P/N 993033) or equivalent |
Hydraulic Clutch System (5-Speed Trans.) | Hydraulic Clutch Fluid GM P/N 12345347 (Canadian P/N 10953517) or equivalent DOT-3 brake fluid |
Hydraulic Clutch System (6-Speed Trans.) | Hydraulic Clutch Fluid GM P/N 88958860 (Canadian P/N 88901244) |
Power Steering System | GM Power Steering Fluid GM P/N 1052884 - 1 pint, 1050017 - 1 quart, (Canadian P/N 993294 - 1 pint, 993353 - 1 quart) or equivalent |
Manual Transmission (5-Speed with Low Gear, RPO MW3) | GM Goodwrench Synthetic Manual Transmission Fluid GM P/N 12346190 (Canadian P/N 10953477) 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 (Canadian P/N 10953465) or equivalent |
Manual Transmission (6-Speed) | TransSynd ™ Synthetic Automatic Transmission Fluid GM P/N 12378515 (Canadian P/N 88900701) |
Automatic Transmission | DEXRON®-VI, Automatic Transmission Fluid |
Key Lock Cylinders | Multi-Purpose Lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent |
Floor Shift Linkage | Lubriplate® Lubricant Aerosol GM P/N 1052349 (Canadian P/N 992723) or equivalent or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB |
Chassis Lubrication | Chassis Lubricant GM P/N 12377985 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 |
Rear Axle | SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115 |
Rear Axle (Steering 4-Wheel) | Synthetic Axle Lubricant; use only GM PN 12378557 (Canadian PN 88901362). Do Not add friction modifier. |
Manual Transfer Case (NP1, NP2, and NP3) | Use Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801) |
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.) | Spline Lubricant, Special Lubricant GM P/N 12345879 (Canadian P/N 10953511) or lubricant meeting requirements of GM 9985830 |
Rear Drive line Center Spline | Chassis Lubricant GM P/N 12377985 or equivalent or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB |
Hood Hinges | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent |
Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seat and Fuel Door Hinge | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent |
Outer Tailgate Handle Pivot Points, Hinges, Latch Bolt and Linkage | Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent |
Weatherstrip Conditioning | Dielectric Silicone Grease GM P/N 12345579 (Canadian P/N 1974984) or equivalent |
Weatherstrip Squeaks | Synthetic Grease with Teflon, Superlube® GM P/N 12371287 (Canadian P/N 10953437) or equivalent |