You’ve probably already heard of the popular EGR valve, the anti-pollution valve. It is not usually appreciated by motorists because it tends to cause more concerns than anything else… In actual fact, dependent on the use you are going to make of your automobile, it can become clogged and trigger you a lot of problems. If this is the situation, you are probably wanting to know how to clean the EGR valve of your Buick Regal ? Don’t stress, we’ve written this article to help you with this operation. To do so, we will first take a look at the intent of the EGR valve, then what are the failures that the EGR valve of your Buick Regal can trigger and finally the part that will probably appeal you the most, how to clean the EGR valve Buick Regal?
How to Clean your Buick Regal EGR Valve: Role and Operation
Role of the EGR valve
The EGR valve of your car has been integrated to diesel engines mostly to lower pollution emitted by vehicles and to meet EURO specifications on Buick Regal . It will as a consequence influence 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 Buick Regal , we will have a look at how it works. As seen 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 get rid of all unburned toxic particles. It will operate mostly at low speed because at high speed the combustion is enough to burn all these gases.
How to clean your Buick Regal EGR valve: Identifying faults
The EGR valve, nevertheless very effective to limit the pollution emissions of your Buick Regal , will unfortunately tend to clog up because of soot/gas deposits that will accumulate in its mechanism, which will finally risk blocking the functions of the valve, until entirely blocking the engine unit, here are the signs of illness that a faulty EGR valve on your Buick Regal can trigger:
- Motor light on
- Performance loss
- Technical inspection refused
- Black fumes
- Vehicle that grazes at low speed
- Low RPM settings
How to clean your Buick Regal EGR valve: In practice
And now we’ll begin the part you are most enthusiastic about, how to clean the EGR valve of your car. Here are the two techniques that you can use.
Do it on your own
How to clean your Buick Regal 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, the truth is, you will only need to use fuel additives, equivalent to the products used to clean the injection. These particular 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 Buick Regal.
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 accomplish the process on your own. If so, the procedure 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 simple steps are accomplished, now comes the time for cleaning. To get this done, 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 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 Buick Regal.
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 complications (removing too many parts that hinder access for example), how to clean the EGR valve of your Buick Regal? In cases like this, it would be better rather than launching yourself into an overly complex operation, 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 dependent on the difficulty of access is between 70 and 300 €.
Remove the EGR valve of your Buick Regal
At last, some people make a more radical decision to limit the risk of a failed valve. Instead of cleaning the EGR valve of their Buick Regal, they simply prefer to block it in the closed position. This manipulation will have the outcome of greatly increasing the pollution emitted by the automobile, of no longer complying with pollution standards, of having an engine warning light permanently on and eventually risk fouling the engine. We highly 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 find more tips on the Buick Regal, take a look at the Buick Regal category.
