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 ...

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 ...

Penray’s Pencool 4000 cooling system treatment additive is formulated for nitrite-free extended-life coolants used in over-the-road trucks and local delivery vehicles and is designed to be compatible ...

The antifreeze/cooling system for a heavy duty engine must be maintained for the entire system to operate at optimum efficiency. Each component within the system relies on the other components for ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

Hagerty Media reader DUB6 writes: Sajeev, I’m going to turn your high-powered investigative prowess onto a topic that might ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

Q: I had the radiator serviced on my car, just preventive maintenance. I noticed on the repair invoice that I was charged for a cooling system additive. When I asked about it, the cashier said they ...

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 ...

Many things have changed in the Pontiac world over the years. Components that were considered essential have been replaced with new technologies. The carburetor succumbed to the fuel injector; breaker ...

For the record, a V-8's cooling system is the most forgotten and neglected part of any hot rod. We speak from firsthand experience. It used to be that you could replace a factory 195 degree thermostat ...

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 ...