You’ve probably previously heard about the well-known EGR valve, the anti-pollution valve. It is not generally appreciated by car owners because it tends to develop more trouble than anything else… Indeed, depending on the use you are going to make of your automobile, it can become clogged and bring about you a lot of complications. If this is the situation, you are probably wanting to know how to clean the EGR valve of your Chevrolet Corvette ? Don’t stress, we’ve prepared this content page to help you with this process. To achieve this, we will initially take a look at the purpose of the EGR valve, then what are the failures that the EGR valve of your Chevrolet Corvette can cause and to finish the part that will probably appeal you the most, how to clean the EGR valve Chevrolet Corvette?

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How to Clean your Chevrolet Corvette EGR Valve: Role and Operation

Purpose of the EGR valve

The EGR valve of your car has been added to diesel engines primarily to reduce pollution released by vehicles and to meet EURO standards on Chevrolet Corvette . It will as a consequence control the quality of exhaust gas output and get rid of toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we learn how to clean the EGR valve on your Chevrolet Corvette , we will take a look at how it operates. As seen just before, its task is to clean the exhaust gases, so it will be placed at the engine outlet, thanks to a valve, it will be able to return the unburned exhaust gases to the engine for a second burn which will get rid of all unburned toxic particles. It will operate mostly at low speed because at high speed the combustion is sufficient to burn all these gases.

How to clean your Chevrolet Corvette EGR valve: Identifying faults

The EGR valve, nevertheless very useful to limit the pollution emissions of your Chevrolet Corvette , will regrettably tend to clog up because of soot/gas deposits that will accumulate in its system, which will ultimately risk obstructing the operation of the valve, until completely blocking the engine, here are the symptoms that a defective EGR valve on your Chevrolet Corvette can bring about:

  • Motor light on
  • Power loss
  • Technical inspection rejected
  • Black fumes
  • Car that grazes at low speed
  • Low RPM settings

How to clean your Chevrolet Corvette EGR valve: In practice

And now we’ll start the part you are most curious about, how to clean the EGR valve of your car. Here are the two ways that you can use.

Do it yourself

How to clean your Chevrolet Corvette EGR valve system: Without dismantle

Despite the fact this technique is less efficient, it is however possible to consider a “rough” cleaning of your EGR valve, the truth is, you will only need to use fuel additives, similar to the products used to clean the injection. These particular products must be injected into the running engine, at the right operating temperature, diluted in about 20 litres of fuel and run the engine for 3 or 4 minutes in high rev to clean the EGR valve of your Chevrolet Corvette.

How to clean your car EGR valve: With disassembly

Here is the most beneficial technique, which will require sufficient access to the EGR valve to perform the operation yourself. If so, the process is fairly straightforward. You will need to disconnect the electromagnet from the EGR valve, remove the few screws that hold it in place, and remove it. Once these steps are completed, now comes the time for cleaning. To do this, you will need to use a product such as solvent, petrol, oven cleaning product, which you will leave to act for ten minutes, then scrape off the rest using a scraper, finish cleaning with wire brush. If you want to go further, you can also clean the two canal on which it is connected which may be scorched, for this, use a scraper and a vacuum cleaner to avoid dropping deposits in the conduits. You will only have to reassemble it and you will have finished cleaning the EGR valve of your Chevrolet Corvette.

Have it done by a professional

If, your EGR valve is not accessible because of the series or the engine of your car and if removing it would cause too many problems (removing too many auto parts that hinder access for example), how to clean the EGR valve of your Chevrolet Corvette? In this case, it would be better rather than launching yourself into an overly complex process, you turn to an auto mechanic. He will be able to do the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning depending on the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Chevrolet Corvette

Finally, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Chevrolet Corvette, they just choose to block it in the closed position. This modification will have the effect of greatly increasing the pollution released by the automobile, of no longer complying with pollution criteria, of having an engine warning light all day on and finally risk fouling the engine. We highly advise against making this choice. If you have other questions or want to learn more about your car, don’t hesitate to take a look at our dedicated page.

To get more tips on the Chevrolet Corvette, take a look at the Chevrolet Corvette category.