Fluid and Lubricant Recommendations
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fluid and Lubricant Recommendations
| 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 this vehicle's engine, refer to Explanation of Scheduled Services . |
| Engine Oil (Diesel Engine) | CI-4 or CH-4 Oils designated as API CI-4 or CH-4 are recommended for your vehicle. The CI-4 or CH-4 designations may appear either alone, together or in combination with other API designations, such as API CI-4/SL. These letters show American Petroleum Institute (API) levels of quality. |
| 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 89021184 (Canadian P/N 89021186) or equivalent. |
| Power Steering System (PHT) | Power Steering Fluid GM P/N 88901975 (Canadian P/N 88901976) |
| 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®-III, 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 (8.25" S4WD Axle) | SAE 80W-90 Axle Lubricant GM P/N 1052271 (Canadian P/N 10950849), or SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115. |
| Front Axle (8.25" F4WD Axle, 9.25" S4WD Axle) | 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 (with QS4 Axle Only) | SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378557 (Canadian P/N 88901362) or equivalent. Do not add friction modifier. |
| Manual Transfer Case | DEXRON®-III Automatic Transmission Fluid |
| Automatic Transfer Case (Four wheel Drive) | AUTO-TRAK® II Fluid GM P/N 12378508 (Canadian P/N 10953626) |
| Automatic Transfer Case (All-Wheel Drive) | DEXRON-III Automatic Transmission Fluid. |
| 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 |