What are radiators and how do they help keep your car driving smoothly?

by Masashi S. JDM Enthusiast

When in operation, a car's engine heats up constantly, and if it reaches a dangerously high temperature, there is a possibility of a sudden explosion. As a result, it must be cooled to a reasonable temperature, such as between 80 and 100 degrees Celsius, and this is where the radiator comes in—it assists in cooling the engine to the proper temperature. The majority of modern engines are water-cooled.

 

Water-cooled Engine Radiator Components

A coolant made of water circulates in the water jacket around a cylinder in a water-cooled engine to keep it from overheating. To improve the efficiency of the water pump, a radiator is mounted in the center between the outlet and inlet. The radiator, radiator hose, water pump, thermostat, and cooling fan make up the entire system. Cores are a series of narrow passages that allow coolant to flow through the main body of the radiator. The goal is to increase the amount of water flowing through each core to increase the cooling impact. The radiator simply does not work—take let's a closer look at each portion of the radiator-related parts to better understand their functions. The radiator's function is fulfilled when these parts are used together.

 

The Cooling Fan

The temperature of the engine is lowered by fresh air when it is operating, but air cooling alone is inadequate for periods when the engine is not in motion but still producing heat, such as during traffic jams. As a result, a cooling fan becomes essential. It improves the cooling performance by increasing the amount of air flow in front of the radiator to a satisfactory degree.

 

Water pump that keeps on pumping

The main function of the pump circulates liquid coolant to the water jackets around the engine, radiator, and sub tank. This all helps to keep the coolant in the radiator flow smoothly to the water jackets.

 

The thermostat aka temp checker

The thermostat helps to maintain the coolant's permanence within a specified temperature range. It also stops the flow of water in case of severe cold weather to prevent coolants circulating inside the radiator. If an engine heats up, then its water temperature increases and when the coolant temperature is above about 80 degrees Celsius the water outlet opens up fully, enabling the coolant to circulate.

 

Maintaining the radiator effectively

Step 1. Check the coolant routinely

One of the main causes of the engine overheating is the water level of the coolant decreasing, or the water getting dirty with rust. Every two years, we recommend changing the liquid coolant. Let's wash them out with a radiator cleaner when the rust and water scale are in a bad condition.

Step 2. Check the fan belt

By hand, you can check the tension of a fan belt that drives a cooling fan. If you can force the center of the fan belt down to between 13 and 20 mm with your thumb, the current tension of the belt is fine. When the rubber component of the fan is weakened to the point that it melts and falls, the fan's turn cycle is jeopardized, which can lead to overheating, and it should be replaced.

Step 3. Check the radiator hose

Any gaps, slacks, or distortion in the radiator hose will result in water leakage, so it's a good idea to check the hose's condition on a regular basis to avoid any unnecessary accidents.

As with any product, upgrades and improvements are made over time through the new iterations. Search for newer models today that have the latest engine and radiator systems.

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Created on Apr 28th 2021 02:41. Viewed 501 times.

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