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 ...

Engine coolant is a critical fluid that is essential for the optimal performance of engines in motor vehicles. Several studies have reported that, behind lubrication failure, a major cause of engine ...

”In an ideal world, in which no one ever touched the coolant and the vehicle never leaked, a high-quality extended-life coolant would be virtually maintenance-free. But this is not an ideal ...

Coolants are the least understood fluid in a heavy duty truck engine today. But a little attention to them can avert serious problems for your fleet. Photos: Prestone If you’re a maintenance manager ...

Prestone Products Corp. announced it has heavy-duty test kits, test strips and a refractometer for antifreeze/coolant analysis, offering convenience in checking the status of protective fluids.

Coolant is generally the most neglected fluid on a truck, and it leads to significant woes downstream. In fact, Lawrence Wong, product technical specialist for Chevron Lubricants, said about 40% of ...

Cavitation erosion or liner pitting is caused by air in the cooling system, and is aggravated by liner vibration. Bubbles implode violently, removing a little metal as they do so. Although it’s often ...

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 importance of regular service intervals for heavy-duty diesel engines is well understood. Yet, too often, the service focus is on things other than the engine’s cooling system, such as air, lube ...