Radiator Coolant or Water?

You must be wondering why one should spend money on radiator coolants when you can use water which is free. Do the benefits really outweigh the cost? Coolant is a mix of water and antifreeze agent. Coolant offers a higher boiling point, a lower freezing point than water making it a better heat transfer agent. Ethylene Glycol (EG) is one of the earliest antifreezes. French chemist Charles-Adolphe Wurtz created EG in the mid-1800s. Later Propylene Glycol (PG) was also introduced. Depending on the climate and the vehicle condition manufacturers customize the chemical composition of these components.

What are the Benefits?

As its name implies, Antifreeze prevents the coolant from freezing during cold climates. By circulating through the engine head and the block coolant absorbs the heat generated by the engine and then transfer that heat to the radiator. This helps to keep the engine at optimal working temperatures. Corrosion inhibitors included in the coolant also provides corrosion protection for the engine metal parts.

How to use coolant?

It is recommended to check the user manual of your vehicle to choose a better coolant. Also check the different coolant technologies offered by manufacturers.
Use the proper proportion of water to mix the coolant and use distilled water to mix the coolant.
Do not mix different types of coolants.
Change the coolant every two to three years, or about every 100,000 Km.

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