New advanced engines and cooling systems are changing cooling system maintenance requirements. Service technicians and fleet managers should review their preventative maintenance (PM) strategy and ...

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 ...

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 ...

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 ...

Performance Machine & MFG is offering its first coolant filtration system for 6L Ford Powerstroke diesel engines. The system protects the oil cooler and EGR system, Performance Machine said. The ...

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 ...

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 ...