Internal combustion engines require many types of fluids to operate smoothly. One of the most essential is coolant. Coolant is that green, yellow, pink, or purple fluid that goes inside the radiator ...

CARS.COM — When is the right time to change your engine coolant? For some vehicles, you’re advised to change the coolant every 30,000 miles. For others, changing it isn’t even on the maintenance ...

We may receive a commission on purchases made from links. Though many consider the oil pump the heart of an engine, its cooling system is, arguably, every bit as important, pumping coolant to and from ...

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 ...

Checking your coolant level could be the difference between a blown engine and a safe journey. Especially if you live in a hot climate or tow on a regular basis, checking how much coolant you have is ...

The saying goes something like this: “When you take care of something good, that something good takes care of you.” The same can be said for taking care of maintenance on a heavy duty engine. Whether ...

Freeze plugs prevent engine coolant from leaking out. One of the first signs that they'll need to be replaced is often a ...

Several components in your car hold coolant, often called antifreeze, and any of them can get a hole or develop a leak. If your car loses too much coolant, its engine could overheat. Coolant is also ...

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 ...