You’ve probably already heard about the well-known EGR valve, the anti-pollution valve. It is not always appreciated by motorists because it has a tendency to cause more trouble than anything else… Actually, according to the use you are going to make of your vehicle, it can become clogged and trigger you a lot of complications. If this is the situation, you are probably wondering how to clean the EGR valve of your Mercedes Benz GLE Class ? Don’t stress, we’ve well prepared this article content to help you with this procedure. To do so, we will first take a look at the goal of the EGR valve, then what are the failures that the EGR valve of your Mercedes Benz GLE Class can provoke and to finish the part that will probably interest you the most, how to clean the EGR valve Mercedes Benz GLE Class?
How to Clean your Mercedes Benz GLE Class EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been added to diesel engines mainly to lower pollution released by vehicles and to match EURO measures on Mercedes Benz GLE Class . It will consequently influence the quality of exhaust gas output and eliminate toxic particles, mainly Nitrogen Oxide.
Operation of the EGR valve
Before we learn how to clean the EGR valve on your Mercedes Benz GLE Class , we will have a look at how it works. As described before, its mission is to clean the exhaust fumes, so it will be installed 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 eliminate all unburned toxic particles. It will function principally at low speed because at high speed the combustion is sufficient to burn all these gases.
How to clean your Mercedes Benz GLE Class EGR valve: Identifying faults
The EGR valve, despite the fact very useful to limit the pollution emissions of your Mercedes Benz GLE Class , will unfortunately tend to clog up because of soot/gas deposits that will build up in its mechanism, which will inevitably risk blocking the functions of the valve, until entirely blocking the engine unit, here are the signs of illness that a defective EGR valve on your Mercedes Benz GLE Class can provoke:
- Motor light on
- Power loss
- Technical inspection rejected
- Black gases
- Automobile that grazes at low speed
- Low RPM settings
How to clean your Mercedes Benz GLE Class 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 methods that you can use.
Do it on your own
How to clean your Mercedes Benz GLE Class EGR valve system: Without taking it apart
Even though this process is less effective, it is however possible to consider a “rough” cleaning of your EGR valve, actually, you will only need to use fuel additives, equivalent to the products used to clean the injection. These specific 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 Mercedes Benz GLE Class.
How to clean your car EGR valve: With disassembly
Here is the most effective process, which will require sufficient access to the EGR valve to execute the operation yourself. If so, the process is fairly easy. 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 accomplish 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 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 Mercedes Benz GLE Class.
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 elements that hinder access for example), how to clean the EGR valve of your Mercedes Benz GLE Class? In this instance, it would be better rather than launching yourself into an overly complex procedure, 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 according to the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Mercedes Benz GLE Class
At last, some individuals make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Mercedes Benz GLE Class, they simply prefer to block it in the closed position. This manipulation will have the outcome of greatly increasing the pollution released by the vehicle, of no longer complying with pollution criteria, of having an engine warning light permanently on and in the end risk fouling the engine. We strongly suggest against making this choice. If you have other questions or want to learn more about your car, don’t think twice to take a look at our dedicated page.
To get more tips on the Mercedes Benz GLE Class, take a look at the Mercedes Benz GLE Class category.
