With more advanced engine metallurgy and design, and the demand for increased fuel efficiency and lower emissions, engine operating temperatures have increased more than 40 F in the last 50 years.

CCJ's 10-44 is brought to you by Chevron Delo heavy duty diesel engine oil. Now there's even more reasons to choose Delo. We're talking coolants again this week, but this time how to know when you've ...

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 ...

Temperatures across the U.S. are tumbling, and the temperature swing can be a lot for a truck's components to handle, especially the coolant system. For most of at least the last six months, the ...

Where a coolant's neutralization number is related to the quantity of acid- or base-forming materials in a solution, pH indicates their intensity - and can indicate things going wrong in the cooling ...

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 ...

A heavy-duty truck’s cooling system is primarily designed to prevent the engine from overheating. Secondary tasks are to provide heat to the cab and, in some cases, the trailer. Today, cooling systems ...