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 ...

The fields along America’s highways once covered in frost are now fully sprinkled in morning dew, indicating spring has sprung and summer is on its way. Soon, sweltering heat will pour down from the ...

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 ...

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 ...

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 ...

Author's note: In the Jan. '09 issue of HPP, the technical article "Keep a Cool Head" described installing Evans NPG coolant in a Pontiac engine, along with other modifications. Due to the varied ...

Keeping the coolant contaminant-free is critical to maintaining proper diesel engine temperature. What the Coolant Filter Does… Coolant filters are used on most types of diesel engines. These filters ...

An overheating engine is a ticking clock. This guide details the critical "do's and don'ts" for drivers, explaining why you ...

Indirect engine cooling system doesn’t allow air to directly contact with the surface of engine. It indirectly cools down the engine and its components with the help of a coolant circulating in ...

A vehicle’s engine-cooling system serves not just to keep the engine cool, but to also keep its temperature warm enough to ensure efficient, clean operation. System components include a radiator to ...