Can I run 5w40 in my Duramax?
Our answer: Yes, you can certainly use 5W-40 in winter (and summer) in your Duramax. While 15W-40 is suggested as the predominant viscosity for your engine, GM does recommend 5W-40 for temps below -18°C (0°F).
What diesel oil do GM dealers use?
Dexos is a synthetic oil developed by GM that is recommended for all 2011 and newer GM vehicles.
What oil does a Duramax take?
Best Oil for Duramax: Editor’s Top Picks
| # | Product | |
|---|---|---|
| 1 | Shell Rotella T6 Full Synthetic 15W-40 Diesel… | Buy on Amazon |
| 2 | AC Delco DexosD 0w-20 Light Duty Diesel Engine Oil… | Buy on Amazon |
| 3 | Valvoline Premium Blue SAE 15W-40 Diesel Engine… | Buy on Amazon |
| 4 | Mobil 1 Turbo Diesel Truck Full Synthetic Motor… | Buy on Amazon |
What is the best oil to use in a diesel truck?
Likely the most popular synthetic oil for diesel engines, Shell Rotella T6 is another excellent 100% synthetic oil that is suitable for diesel engines and arguably the best when you factor in its price.
What is the best oil for 6.6 Duramax?
2017 Duramax 6.6 Oil Type You need 10 quarts of Duramax 15W-40 or 5W-40 oil to perform the change. That is if you have a filter installed (which is more likely). For a Duramax without a filter, about 9.2 quarts should be enough. Manufacturers recommend the Amsoil 15W-40 or 5W-40 graded oils for the best outcomes.
How often should I change oil in my Duramax?
once every 6 months
Change your LLY’s engine oil and filter at least once every 6 months and your fuel filters once a year. Keep an eye on your air filter and change it as needed. If you’re in very dusty areas you will likely need to change it sooner.
Should you use synthetic oil in Duramax?
DuraMAX Motor Oils are completely compatible with mineral or other synthetic oils.
What brand of oil do GM dealers use?
“ExxonMobil has been the supplier for the U.S. GM dealer network since 1990, and during the last 20 years, the GM service fill program has become one of the best original engine manufacturer lubricants programs in the industry.
Should I use synthetic oil in Duramax?