Fluid and Lubricant Recommendations
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
| Usage | Fluid/Lubricant |
|---|---|
| Automatic Transmission (6 - Speed Transmission) | DEXRON®-VI Automatic Transmission Fluid. |
| Automatic Transmission (8 - Speed Transmission) | DEXRON® HP Automatic Transmission Fluid (GM Part No. 19331925, in Canada 19300537). |
| Chassis Lubrication, Parking Brake Cable Guides | Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. |
| Diesel Exhaust After treatment System | Diesel Exhaust Fluid (GM Part No. 19286291, in Canada 88862660) or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark. |
| Engine Coolant | 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant. |
| Engine Oil (Gas Engine) | Engine oil meeting the dexos1™ specification of the proper SAE 5W-30 GM P/N 19293000 (Canadian P/N 19286321) 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 Oil (Diesel Engine) | Engine oil meeting the dexos2™ specification of the proper SAE 5W-30 viscosity grade. ACDelco dexos2 Synthetic Blend is recommended. |
| Front Wheel Bearings | Wheel bearing lubricant meeting requirements of NLGI #2, Category GC or GC-LB (GM Part No. 1051344, in Canada 993037). |
| Hydraulic Brake System | DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819). |
| Key Lock Cylinders, Hood Hinges | Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474). |
| Power Steering System | GM Power Steering Fluid (GM Part No. 19329450, in Canada 89021186). |
| Rear Axle (Dual Rear Wheels) | SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678). |
| Rear Axle (Single Rear Wheels) | SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458). |
| Weatherstrip Conditioning | Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481). |
| Weatherstrip Squeaks | Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437). |
| Windshield Washer | Automotive windshield washer fluid that meets regional freeze protection requirements. |