Fluid and Lubricant Recommendations
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Usage | Fluid/Lubricant |
|---|---|
| Engine Oil | The engine requires engine oil approved to the dexos™ specification. Oils meeting this specification can be identified with the dexos™ certification mark. Look for and use only an engine oil that displays the dexos™ certification mark of the proper viscosity grade. SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W-30, 10W-40, or 20W-50. |
| Engine Coolant | 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant GM P/N 12346290 (Canadian P/N 10953464). |
| Hydraulic Brake System | DOT 3 Hydraulic Brake Fluid GM P/N 12377967 (Canadian P/N 89021320) |
| Windshield Washer | Optikleen® Washer Solvent |
| Power Steering System | GM Power Steering Fluid GM P/N 89021184 (Canadian P/N 89021186) |
| Automatic Transmission - 2ML70 | DEXRON®-VI GM P/N 88861003 (Canadian P/N 88861004) |
| Key Lock Cylinders | Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Chassis Lubrication | Chassis Lubricant GM P/N 12377985 (Canadian P/N 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB |
| Front Axle - 1500 Series Vehicles with Four-Wheel Drive | SAE 80W-90 Axle Lubricant GM P/N 89021671 (Canadian P/N 89021672) |
| Front Axle - 2500 Series Vehicles with Four-Wheel Drive | Synthetic Gear Oil GM P/N 89021677 (Canadian P/N 89021678) |
| Rear Axle | Synthetic Gear Oil GM P/N 89021677 (Canadian P/N 89021678) |
| Transfer Case - Four-Wheel Drive | DEXRON®-VI GM P/N 88861003 (Canadian P/N 88861004) |
| Front Axle Propshaft Spline or One-Piece Propshaft Spline - Two-Wheel Drive with Automatic Transmission | Spline Lubricant, Special Lubricant GM P/N 19257121 (Canadian P/N 19257122) |
| Hood Hinges | Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Outer Tailgate Handle Pivot Points | Multi-Purpose Lubricant, Superlube GM P/N 12346241 (Canadian P/N 10953474) |
| Weatherstrip Conditioning | Weatherstrip Lubricant GM P/N 3634770 (Canadian P/N 10953518) or Dielectric Silicone Grease GM P/N 12345579 (Canadian P/N 10953481) |
| Weatherstrip Squeaks | Synthetic Grease with Teflon, Superlube GM P/N 12371287 (Canadian P/N 10953437) |