What is a coolant system and what does it do?

Amidst the intense heat from internal combustion in the engine, an important mechanism that helps maintain the temperature balance and prevents the engine from overheating is the engine cooling system, which is like the heart that nourishes the engine to work smoothly and without danger while driving.

What is coolant?

Coolant, also known as coolant, helps absorb heat from the engine and releases heat to the outside through the radiator system, fans, and various pipes. It is like a lubricant that helps maintain the engine temperature at an appropriate level, preventing the engine from overheating and causing damage.

The importance of the engine cooling system

The cooling system is one of the important systems that helps the engine work efficiently and have a long service life. It plays an important role in many aspects, as follows:

Maintaining the engine temperature at an appropriate level

The main function of the cooling system is to control the engine temperature to be around 80-100 degrees Celsius, which is the appropriate temperature range, allowing the engine to work at its most efficient. This is to prevent overheating, which can cause serious damage, such as cylinder head warping, cylinder jacket cracking, or piston melting. It also prevents the engine from overcooling, which can waste fuel, because it can cause parts to wear out faster. It may also cause clogging of the exhaust pipe from condensation.

Extend the life of internal parts, prevent corrosion

In addition to temperature control, the cooling system also plays an important role in extending the life of internal engine parts. Maintaining a suitable temperature will help reduce the expansion and contraction of metal parts, which is one cause of wear and tear. In addition, the coolant used in the system is often mixed with corrosion inhibitors, which will help create a thin film on the metal surface, so it does not have to come into direct contact with oxygen and water, thus reducing rust.

Help find radiator leaks

The cooling system is also useful in helping to check and find radiator leaks, which are potential problems that affect engine performance. Detecting and repairing radiator leaks in a timely manner will help prevent coolant loss, which can lead to overheating, thus reducing the risk of engine damage.

How to check coolant

How to check coolant
If the coolant is too low or in an imperfect condition, it may damage the engine. Therefore, regular inspection of the engine cooling system can help prevent overheating and extend the life of the engine. The inspection method is as follows:

Check the coolant level

In general, most cars There is usually a coolant tank under the car hood, with lines indicating the maximum and minimum coolant levels. The steps to check are: Wait for the engine to cool down, open the car hood, clean the area around the coolant tank, slowly open the coolant tank cap to release the pressure, check the coolant level to see if it is between the maximum and minimum lines. If the coolant is below the minimum level, add coolant as specified in the car manual and check for the cause of the coolant decrease, such as a leak or a problem with the cooling system.

Consider the color of the coolant.

New coolant is usually green, pink or orange, and may be pale, have sediment or discolored if it is in poor condition, which may be caused by long-term use and contamination, which reduces the cooling properties, which is a sign that the entire coolant should be replaced.

Check the coolant temperature.

Checking the coolant temperature helps you know if the cooling system is working efficiently. This can be checked by using an infrared thermometer or digital thermometer to measure the temperature at the radiator or coolant pipes. The normal temperature of the coolant should be between 87-105 degrees Celsius. If the temperature is higher than 105 degrees Celsius, it means that the cooling system may have a problem. Regular temperature checks will help identify problems and find solutions before serious damage occurs.

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References

How to check engine coolant. Retrieved June 30, 2024 from https://cockpit.co.th/post/229/How-to-check-engine-coolant