- 11/28/2024
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The importance of the radiator
The engine heats up a lot during its work due to the combustion process inside the cylinders that provide it with its movement, and if the engine's temperature remains high, its internal parts will be damaged and damaged, and the situation may be dangerous if you are driving your car at high speed.
Therefore, automotive engineers have developed a cooling system inside each car to cool the engine or withdraw heat from it, and to keep it within the operating temperature specified by the car manufacturer, and one of the most important parts of the cooling system is the radiator, which is a part located at the front of the car behind the ventilation grille that cools the coolant, which in turn enters the engine and cools it.
The hot coolant is pumped through a series of hoses to the radiator, which consists of a series of tubes connected to each other and resembles fins, which are thin metal strips with certain distances between them to dissipate heat from them instead of remaining in the engine.
When the car is moving, air enters between the vents of the radiator to suck the hot air from it and cool it, and this liquid will head to the engine after it cools down to pull its heat as well, and the higher the speed of the car, the better the cooling, and if the car is parked and the liquid temperature is high, the fan will work to pull the air into the radiator.
If the coolant temperature inside the engine is cold and has not yet risen, the thermostat will remain closed and will not allow it to pass until it warms up and automatically opens and returns to the radiator to cool it down.
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Read more: Common cooling system problems
Most common radiator problems
The most important issues that may affect the rodent in the car are as follows:
Coolant leaks
Coolant leakage from the hoses or from the damaged structure of the radiator is one of the most important and most common issues that you may face in the radiator, as the continuous flow of coolant causes great pressure, which may eventually lead to damage and cracking or even loosening of the hoses, and this of course will lead to coolant leakage and high engine temperature, and if you notice a green or orange liquid under your car or smell an unusual odor, this may be the leaking coolant.
Rust
The radiator is definitely exposed to rust and oxidation over time, especially if the car is old, and when the rust or oxidation is severe, it will lead to corrosion of the metal and will crack, and thus the coolant will leak, and the issue is that this type of rust may not be visible to you until you examine it from under the car, and this leak occurs suddenly and you only feel it when the engine overheats, and if you do not pay attention to this leak, the engine's temperature will rise a lot and may fail.
Read also: Causes of engine oil consumption
Gunk buildup
Mineral deposits or sticky substances can accumulate in the radiator due to its age and the use of plain water instead of coolant or distilled water and appear in the form of a thick and sticky substance, and the accumulation of this substance impedes the movement of the coolant, which will limit its work efficiently, and if your car engine is overheating without signs of rust or leaks, check for the presence of sticky substance inside the radiator or the integrity of the thermostat.
Overheating
Overheating inside the radiator can be caused by various issues within the cooling system. One common cause is a broken radiator fan, especially if the temperature gauge rises while the car is stopped in traffic or during normal parking, and modern cars often have an electric fan to keep the coolant cool when the car is parked, and if this fan fails, the fluid temperature and engine temperature may rise at the same time.
