Chevrolet unveiled its new 3.0-liter Duramax diesel in the 2020 Chevrolet Silverado 1500 and 2021 Chevy Tahoe. A major characteristic of this engine should be considered by prospective buyers.

In GMC’s estimation, it will be installed in the 2020 Sierra 1500, 2020 Yukon, and 2020 Suburban. Both of GM’s full-size SUV versions do not feature it (more later).

The Silverados engine is designed specifically to produce the power and torque of 460 pounds-feet at just 1,500 RPMs.

The engine is also built with innovative technologies, such as a lightweight aluminum block, a low-pressure exhaust gas recirculation system, and variable geometry turbocharging.

With due respect, inline-6 engines are the leading innovators in new diesel engine development due to their inherent balance. It is one thing, however, that makes a big difference.

Could you please tell me what that one thing is? Is there anything I should know? Several commenters noted that after 150,000 miles the oil pump belt is submerged in oil, and that it should be thoroughly checked. Despite the fact that it is an axial belt driven, it raises some questions about the location of the belt. In addition to this, the belt must be dropped for service, which is the most concerning aspect. There were no typos in the text. An inspection of the belt at 150,000 miles requires taking the transmission out of service. This has been criticized by several people.

The General Manager agreed to an interview with an engineer in light of this concern being raised so often. On this engine, it is necessary to remove the transmission to access the belt. Engineers who have been working on the engine since its inception elaborated on the belt choice.

The bottom line

It’s just a routine checkup, even though the belt needs to be removed for inspection, and a mechanic would probably charge you about $1,000 to do it.

 Neither of us are fans of this movie. We believe diesel provides far more benefits than inconveniences, despite some annoyances. Fuel economy for the Silverado 1500 can reach 30 mpg.

In the future, GM will examine whether this belt can be modified or if it should be replaced. If that occurs, we will inform you. At the moment, keep your eye out for deals when shopping.

With aftermarket injectors, Duramax engines are able to produce horsepower above 550, and they are built to be as reliable as factory injectors. There is a manufacturer of Duramax common-rail fuel systems that offers injectors with EDM-cut nozzles, allowing for 50% higher flow rates (and even higher with air). Any engine producing more than 600 horsepower will benefit from this range of injectors. The latest technology is used to test Bosch products to ensure they are made from the best components.


Please enter your comment!
Please enter your name here