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What is a car radiator used for?

What is a car radiator used for?

A car radiator, also known as an engine cooler, is a part that regulates the temperature of the coolant sent to the engine. It's essential to keep the engine at the right temperature to prevent it from overheating. The radiator keeps the coolant at the proper temperature.

If the engine overheats the warning light on your dashboard, there's a problem with your cooling system.

What is the role of a vehicle's radiator?

The radiator is located at the front of the vehicle, behind the bumper and grille. It is close to the engine block and is supplied with coolant through hoses.

The radiator has an inlet and an outlet reservoir. Several tubes called bundles are connected to it. They are encapsulated by fins to facilitate heat exchange between the coolant and the ambient air.

A radiator consists of a central part made of aluminum (or copper, but this is increasingly rare). This part is made up of hundreds of cooling cells through which the fluid circulates. This part is also called the "honeycomb". The whole thing is surrounded by a plastic housing with inlets and outlets for the supply hose and a reservoir called the "expansion tank".

Your car's radiator cools the coolant. If there is a coolant leak, the radiator can be punctured. This can cause the engine to overheat, resulting in engine failure.

How does a car's radiator and cooling system work?

The principle of a car's radiator is relatively simple. As you drive, the air cools the various tubes, causing the hot coolant to give off heat. As a result, the temperatures equalize - the coolant gets colder while the space around the radiator gets warmer.

The fan is a very important element in ensuring that the radiator functions properly. For example, it kicks in when you stop or get stuck in traffic because the airflow is unable to dissipate the heat. In the context of modern cars, we should also mention the electronically controlled thermostat. This is equipped with a special valve that is controlled by the engine control unit. With this solution, the coolant temperature can be manipulated so that the engine can run at the optimum temperature regardless of the current load.

What are the symptoms of a failed radiator?

There's no set life expectancy for car radiators. The frequency with which they need to be replaced depends on how you use them and how you maintain them. For example, regular oil changes will extend the life of your radiator. In these cases, the part will last an average of 8 to 10 years. But be sure to choose the right coolant.

Several symptoms can tell you that your radiator has a problem:

  • Coolant leaks;
  • Engine overheating;
  • Blocked radiator tubes;
  • Unusual coolant color or texture;
  • Abnormally low coolant level.

If you're experiencing any of these symptoms, there's probably something wrong with your radiator. Don't delay fixing the problem, as engine overheating can lead to serious and costly engine problems.

How much does it cost to replace a car radiator?

On average, you should expect to pay between $150 and $600 to replace your car's radiator. However, the price will vary depending on the model of your car. The price of labor and the radiator itself will vary from one car model to another. The price of a new car radiator alone ranges from about $50 to $600.

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