The purpose of the coolant (antifreeze or water) flowing through your diesel is to regulate the heat within the cylinder head and engine block that's created by the combustion process. In order to ...

When an internal combustion engine burns fuel, heat is created at temperatures as high as 4000°F (2200°C). This heat must be removed by some form of cooling. The two most common ways to dissipate heat ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...

Proper cooling is critical to any engine. Without some way to remove the heat created during the combustion process, the engine will quickly become a lump of scrap metal. But today's coolants provide ...

The best advice for maintaining heavy-duty-diesel cooling systems has not changed: 1) follow the engine/vehicle manufacturer’s antifreeze recommendation; 2) use deionized water to dilute antifreeze in ...

Last week, GM Authority exclusively brought you the very first images of GM’s upcoming 3.0L I-6 LM2 turbo-diesel Duramax engine. We were having a ball with the vector until GM issued a takedown notice ...

Maintaining engine cooling system components is critical not only to avoid breakdowns, but also to ensure the truck is operating effectively throughout its lifecycle. Experts weigh in on what to check ...