However, there has been no significant change in oil viscosity grade so far. Keep using 15W or 5W based on your geographic location. Every diesel engine has a specific type of oil, grade, viscosity, and other specs recommended by the manufacturer. These recommendations are crucial to keep your engine healthy and running for a long time. Also, you should pay heed to these instructions to avoid casualties as well. The designations stand to show the quality of the oil.
The most important driving factor for selecting a suitable oil. The Duramax manufacturers highly recommend the 15W grade engine oils. Although in lower temperatures, they may take longer to fire up. And for such cases, they also recommend the 5W oil. In colder regions or temperatures below 0oF, this oil serves well. And it works in a greater range of temperatures. But liquidates easily during summer.
On avg, a Duramax engine can chug in 10 quarts of synthetic oil with a filter. The quality of the oil can significantly affect your mileage. Depending on what kind of user you are, you may have to reconsider your oil preference as well. So, we have fished out some useful recommendations from veteran truck owners. Some of them have over , miles on their clocks. So these exclusive suggestions can set you on the best track. Even though the manufacturers specifically recommend Amsoil 15W oil, it may be a bit expensive for general users.
Instead, most veteran owners prefer Shell Rotella oil for the best results. See more. And as you can see, we have the Shell Rotella as our overall 1 selection as well.
So you should be safe with using the oil for high mileage. You can use 10W40 oil on the Duramax as well. As it may result in low mileage. And the 5W grade for extreme cold. However, you can switch between grades based on the season for greater convenience.
For your convenience, we constructed a review section for top engine oil you can use on your Duramax. All these products are highly recommended by users and manufacturers and are also said to be the best oil for Duramax. It will only take a small amount of your time to go through all the reviews and select a suitable product for yourself! In this section of the article, we tried a more model-specific approach. We mixed up the search and tried to find the best oil type for different Duramax models.
You can see for yourself here. We have already covered this section before. You need 10 quarts of Duramax 15W or 5W 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. Cupler is currently studying mechanical engineering at Saint Petersburg College. Rechecking After filling the engine to capacity, always start the engine and allow it to idle for about 5 minutes.
References Duramax Diesel Specs: 6. In a few, short years the Duramax made a name for itself. It also posted improvements in tow capacity, horsepower, and torque. That means you need to follow the proper service schedule and use the right parts.
If you maintain your LLY by yourself, you can also save yourself hundreds of dollars. We take the guess work out of the equation. All you need to do is follow our comprehensive 6. How often you should service your 6. Excessive idling, heavy towing, or off-roading will result in the need to perform service more regularly.
You should follow the severe service schedule. If you tow mostly light loads or use the truck for mostly commuting, you should use the normal operating conditions service schedule. Keep an eye on your air filter and change it as needed. Drain plug sizes will vary, but genuine GM drain plugs are metric sizes.
If the filter is stubborn, use an oil filter wrench or wrap a piece of sandpaper around the circumference to prevent your hand from slipping.
If damaged or otherwise compromised, replace the drain plug. Since the oil filter is mounted horizontally on these engines, it is impractical to pre-fill the new oil filter and therefore it must be installed dry.
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