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 ...

Cooling system problems are believed to cause about 40 percent of unanticipated downtime. Once problems from overheating start, they spread throughout the engine. Because today's lower-emission ...

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 ...

How coolant testing helps identify diesel engine risk before it becomes an overheating event, corrosion problem, or major repair.

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 ...

”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 ...

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 ...

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 ...