A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system.

Coolant, on the other hand, is a mixture of antifreeze and water in the right proportions, ready to be poured directly into your vehicle’s cooling system. In essence, coolant is antifreeze with added water, making it a ready-to-use solution.

Mar 15, 2022 · Understanding engine coolant types is vital for anyone serious about maintaining their vehicle. Over the years, I’ve worked with countless engines and learned that choosing the right coolant is critical to ensuring the longevity and efficiency of your cooling system.

Sep 29, 2023 · Simply put, coolant is the liquid that functions to cool the engine in your car. To fully understand the automotive coolants of today, we must first look at the qualities of the pure water once used for this purpose.

Feb 25, 2010 · Coolant is a mixture of distilled water and ethylene glycol. Also referred to as antifreeze, its primary function is to absorb the extreme heat generated by a running engine.

Apr 1, 2025 · Coolant is as vital as oil for your car, preventing overheating and freezing. Learn about coolant types, when to change them, and how to avoid costly mistakes.

Dec 19, 2024 · Coolant typically consists of a 50-50 mix of antifreeze and water, though it can contain as much as much as 70% antifreeze for extreme cold temperatures. The 50-50 blend …

Mar 2, 2025 · A coolant (also called an antifreeze) is a special fluid that runs through your engine to keep it within its correct operating temperature range. It is made from either ethylene glycol or propylene and is usually green, blue or even pink in colour.

Coolant is made up of a mixture of two fluids – glycol and deionized water, plus special additives to prevent corrosion. When used in the vehicle’s cooling system they protect the engine from overheating and freezing.

Nov 12, 2024 · Coolant is a liquid mixture composed primarily of water and antifreeze agents, designed to absorb and dissipate heat from the engine. It flows through the engine block, absorbing heat generated by combustion and transferring it to the radiator, where it is released into the atmosphere.