You’ve likely already read about the popular EGR valve, the anti-pollution valve. It is not usually appreciated by drivers because it is likely to create more concerns than anything else… In truth, based on the use you are going to make of your vehicle, it can become congested and cause you a lot of complications. If this is the situation, you are likely wondering how to clean the EGR valve of your Cadillac CT6 ? Don’t stress, we’ve written this article content 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 Cadillac CT6 can cause and at last the part that will likely appeal you the most, how to clean the EGR valve Cadillac CT6?

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How to Clean your Cadillac CT6 EGR Valve: Role and Operation

Role of the EGR valve

The EGR valve of your car has been integrated to diesel engines mainly to reduce pollution emitted by cars and to meet EURO specifications on Cadillac CT6 . It will therefore control the quality of exhaust gas output and eradicate toxic particles, mainly Nitrogen Oxide.

Operation of the EGR valve

Before we learn how to clean the EGR valve on your Cadillac CT6 , we will examine how it operates. As described 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 eradicate all unburned toxic particles. It will operate principally at low speed because at high speed the combustion is enough to burn all these gases.

How to clean your Cadillac CT6 EGR valve: Identifying faults

The EGR valve, nevertheless very useful to limit the pollution emissions of your Cadillac CT6 , will regrettably tend to clog up because of soot/gas deposits that will build up in its mechanism, which will finally risk blocking the functions of the valve, until completely blocking the engine motor, here are the symptoms that a defective EGR valve on your Cadillac CT6 can trigger:

  • Motor light on
  • Performance loss
  • Technical inspection rejected
  • Black gases
  • Automobile that grazes at low speed
  • Low RPM settings

How to clean your Cadillac CT6 EGR valve: In practice

And now we’ll begin the part you are most interested in, how to clean the EGR valve of your car. Here are the two approaches that you can use.

Do it on your own

How to clean your Cadillac CT6 EGR valve system: Without taking it apart

Even though this procedure is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, in fact, you will only need to use fuel additives, equivalent to the products used to clean the injection. These specific solutions 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 Cadillac CT6.

How to clean your car EGR valve: With disassembly

Here is the most beneficial procedure, which will require enough access to the EGR valve to perform the treatment on your own. If so, the process is fairly simple. 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 simple steps are carried out, now comes the time for cleaning. To make this happen, 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 as well clean the two conduits 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 Cadillac CT6.

Have it done by a professional

If, your EGR valve is not reachable 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 Cadillac CT6? In such a 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 carry out the job more cleanly and will be able, if required, to change the valve if it is dead. The cost of cleaning based on the difficulty of access is between 70 and 300 €.

Remove the EGR valve of your Cadillac CT6

At last, some people make a more radical decision to limit the risk of a failed valve. Rather than cleaning the EGR valve of their Cadillac CT6, they just prefer to block it in the closed position. This manipulation will have the effect of greatly increasing the pollution emitted by the vehicle, of no longer complying with pollution requirements, of having an engine warning light all day on and ultimately risk fouling the engine. We strongly advise against making this choice. If you have other questions or want to learn more about your car, don’t think twice to check out our dedicated page.

Whenever you have any additional questions about the Cadillac CT6, do not hesitate to consult our Cadillac CT6 category.