Your vehicle is a complicated piece of machinery, and keeping it running smoothly requires periodic inspections and maintenance of its various systems, including your engine’s cooling system and the ...

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 ...

How hot does your engine run? Is it on the cool side? The hot side? Where should it be? How big of a radiator should you run? Antifreeze or water? Tap or distilled? Do you need a pressurized cooling ...

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 ...