”In an ideal world, in which no one ever touched the coolant and the vehicle never leaked, a high-quality extended-life coolant would be virtually maintenance-free. But this is not an ideal ...

Open the drain valve (drain cock) at the bottom of the radiator and let the existing coolant flow out by gravity. Then refill ...

The purpose of the coolant (antifreeze or water) flowing through your diesel is to regulate the heat within the cylinder head and engine block that's created by the combustion process. In order to ...

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 ...

Proper cooling is critical to any engine. Without some way to remove the heat created during the combustion process, the engine will quickly become a lump of scrap metal. But today's coolants provide ...

The 2024 GMC Sierra HD is include in an urgent service update recently issued by GM, which offers a fix for an engine coolant contamination problem that leads to certain units of the truck needing ...

When an internal combustion engine burns fuel, heat is created at temperatures as high as 4000°F (2200°C). This heat must be removed by some form of cooling. The two most common ways to dissipate heat ...

Often overlooked, it's important to routinely flush your cooling system. For most car owners, their vehicles are an extension of their personality. So it’s no wonder that they are always ready to go ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...