In any type of vehicle, there are several important and crucial parts that all work together to keep everything running and operating smoothly. Without these vital components, the car or truck will not be able to perform optimally. Let’s take a look at one of the more important car parts: the radiator fan.
What is the function of the radiator fan?
Basically, a radiator fan blows cooler air through the radiator to lower the coolant temperature and cool off the heat from the car engine. Obviously, when the engine is running, it produces heat. That heat must be dispersed so that the engine will not experience any form of overheating or become too hot. The overheating of an engine is clearly not a good thing and repairs can quickly become quite expensive! It is way cheaper to address a failing radiator fan than delay and face much bigger issues.
When the vehicle is moving at high enough speeds, the flow of air through the grille is enough to cool down the engine. When the car or truck is moving at a slower speed, though, the radiator fan must kick on to help keep the engine cool since not enough air is flowing through the grille to the engine.
In the past, engine-driven fans were very popular. Yet, this type of fan had one very significant flaw. When the fans are needed the most, they tend to slow down. This is true because the fan drops its rotation speed when the car or truck is stationary or begins to slow down. Eventually, this paved the way for the existence of an electric cooling radiator as a better replacement for engine-driven fans.
What are the types of fans?
Generally, the radiator fan does not work by itself. These fans are known to be an important component of an overall cooling system of a specific vehicle. For a car or truck to really work smoothly, all of the parts must be working correctly and without flaws.
There are different kinds of radiator fans: electric and manual. Electric fans are used to help with engine performance and help create less emissions. They use a computer sensor that detects when they need to turn on to cool down the engine.
Manual fans are connected to the engine drive pulleys. When the engine is operating at higher temperatures, a thermo fan clutch senses the radiator heat and engages the radiator fan.
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Where is the radiator fan located?
The radiator fan is found between the engine and the radiator, although some radiator fans are found at the front or anterior part of the radiator.
Electric fans are found in the front part of the radiator and are also referred to as “pusher fans”. These pusher fans receive the air which comes through the grille area. Eventually, they push that cooler air over the radiator area.
The fans which are found in the rear or at the back are referred to as “puller fans”. They serve to pull the air from the grille. It then draws the air over the radiator.
Will the thermostat affect the radiator fan?
The thermostat found in the cooling system will control many of the electric fans. When a certain preset temperature has been reached by the car engine, the radiator fan will begin to cool the engine. The fan will turn off eventually if the temperature goes below the preset engine temperature.
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