What Is An EGR Cooler And the Reason Behind Its Failure

Hp Diesel
3 min readMay 9, 2024

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Do you know that an increase in the engine’s temperature is not good for your vehicle?

An overheated engine can affect the vehicle’s performance. Exhaust gases can heat up the engine chamber. However, an EGR cooler can prevent a rise in the engine’s temperature.

Generally, this component does not need frequent replacements. However, due to heavy-duty cycles, the EGR cooler can face damage. If you want to know more about this component, the reason behind its failure, then keep on reading.

Importance of an EGR Cooler

The EGR cooler helps to protect the engine. But how so? It helps to lower the temperature during the combustion process by cooling exhaust gas before it goes back to the engine. Furthermore, this component not only protects your vehicle’s engine but also preserves the environment. Here’s how:

If the engine gets too hot during combustion, the nitrogen in the air will convert to nitrogen oxide. NOx severely pollutes the environment. This is because this gas emission is the major cause of smog and acid rain. However, the EGR COOLER controls the engine’s temperature, so no NOx is produced during combustion. So, this component plays a significant role in reducing harmful emissions in the environment.

The EGR system needs regular maintenance from time to time. If you see any soot deposit at the valve or the engine is running hot, then it is a sign that the EGR needs replacement. Certain factors cause failure in the EGR cooler, such as:

What Is The Reason Behind The EGR Cooler Failure?

  1. Blockage in the cooler: The carbon buildup can cause blockage in the component, thus restricting the coolant flow. This can lead to overheating of the engine and reduced fuel efficiency.
  2. Thermal stress: It can face warping and cracking due to constantly cooling to extreme temperatures. The high temperature can cause permanent damage to the metal parts of the component.
  3. Corrosion: The cooler can deteriorate due to rusting. If there are any cracks on the surface, this process is even faster. Corrosion usually occurs due to acidic condensation. It can even occur when the component comes in contact with water or mild soap during cleaning.

If you detect any problem, then you should call a professional who can make the necessary repairs. In some cases, if the problem in the component is severe, then it is best to remove and replace it. To successfully remove the EGR system, you need a delete kit.

Let us understand in detail what an EGR cooler delete kit is and why you should consider purchasing it:

What is an EGR Delete Kit?

It is a kit that allows you to remove the cooler and various other EGR components so that you can have an engine that performs without any hassle. However, it is important to note that it is illegal to remove the EGR cooler in some places. So, we recommend that you only use this kit to remove the component when offroading.

Here is in detail why you should consider purchasing a delete kit:

Benefits of the EGR Delete Kit

  1. Improved performance: This kit allows you to remove the malfunctioning cooler. When the engine is free from the faulty EGR cooler, it can perform better. The carbon buildup due to faulty EGR can reduce the airflow in the engine. But when you remove the whole system, the engine’s horsepower increases, and your vehicle experiences greater fuel efficiency.
  2. Cleaner engine: The main purpose of the EGR cooler is to ensure that combustion chambers don’t get hot. This way, the nitrogen present in the air won’t convert to nitrogen oxide. Thus, due to this component, your vehicle won’t produce harmful emissions. However, when the EGR cooler faces wear and tear, it can malfunction, leading to hot exhaust gases entering the engine chambers. So, it is important that you use the EGR delete kit so that your vehicle’s engine can run cleaner.
  3. Improved reliability: To drive on rough terrains, you need to have a car with an engine that can perform without any trouble. So, if the EGR is becoming a burden for your engine, then it is time to say goodbye to it.

Conclusion

With an EGR delete kit, you can instantly boost your diesel engine’s performance. One such company in Australia that provides quality delete kits is HP Diesel. So, visit their website to get the best offers.

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Hp Diesel
Hp Diesel

Written by Hp Diesel

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Elevate your turbo-diesel vehicle with HP Diesel, Australia's premier performance parts manufacturer. reach out to HP Diesel today! https://hpdiesel.com.au/

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