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Negative Impact of Excessive Car AC Freon Content

09 April 2025
Isi Freon Terlalu Banyak

Freon or refrigerant is an important component in maintaining the AC system, including in car ACs. However, having too much freon in the AC can actually lead to fatal conditions in your car.

When filling freon, you need to pay attention to the pressure, so it requires a specialized technician who is an expert in the field to ensure that the freon filling meets the standards for your car type. If there is too much freon, it can lead to unexpected negative impacts.

What are the Negative Impacts of Too Much Freon in Car AC?

The presence of AC in a car plays a special role in making the cabin more comfortable and not hot, especially during the day. If the AC feels less cold, you need to refill the AC freon so that it can function properly.

This does not mean you can fill the car AC with too much freon! This will actually cause new problems in your car's cooling system.

Here are the negative impacts of having too much freon in your car:

1. Electrical current issues

The first negative impact caused by too much freon is electrical current issues.

This can occur due to the high pressure of the freon, affecting the electrical current directed to the clutch magnet. The electrical current will be interrupted when the AC pipe experiences high pressure.

2. Increased engine load

Another impact that can occur is an increased engine load due to the high pressure in the AC. You will feel that the engine becomes very heavy when the AC is turned on.

This is caused by the AC system compressor working hard due to the excessive pressure.

3. Temperature not cold

Having too much freon will not make your car AC colder because it will cause the temperature to not be cold.

This can happen because when the freon exits the condenser, it should already be in mist form, but due to the excessive amount, the refrigerant that exits the condenser remains in gas form, causing the AC to not be cold as it should.

4. Condenser easily overheats

The negative impact of excessive freon filling is that the condenser easily overheats due to its increasingly heavy workload. If this condition is left unchecked, it can eventually cause damage to the condenser and other components.

5. Increased freon pressure

Having too much freon can have adverse effects on your car's AC condition, such as an increase in freon pressure in the AC system. This excessive pressure can cause damage to the connections of the mechanical components of the car's AC, especially at the hose and pipe connections.

This is also dangerous if the car's AC pressure switch does not work. The pressure switch itself will detect any pressure carried by the refrigerant, so if the pressure is too high, the pressure switch will stop the flow of electrical current to the magnetic clutch.

6. High freon temperature

The excess freon in the car AC also results in an increase in the freon temperature itself, even more than usual. This can cause the freon entering the condenser to be hotter than usual. The car AC will not be able to function properly as it should.

Therefore, overfilling freon in the car AC has negative impacts on various components of your car's AC system. Even though a pressure switch has been installed in the car's AC system to control the pressure, it can still be dangerous if there is too much freon.

Read Also: How to Safely and Practically Maintain Car AC Freon!

Therefore, make sure you always fill the car AC freon according to the capacity of your car type. Repeatedly doing this can cause damage that may incur higher costs later.

For this reason, it is important for you to rely on official Daihatsu workshop technicians to refill the freon in your car's AC. With the correct freon filling, the AC system can work well without adversely affecting other components.

Get the best car service facilities only at the nearest official Daihatsu workshop in your city! Check Daihatsu workshops in your city through this link!

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