Additive for regeneration of the particulate filter Aktion. How and when to clean the particulate filter? Benefits of regular maintenance, cleaning and rinsing

Modern diesel cars have many constructive solutions for cleaning engine exhaust gases. These include, and one of the solutions is the widespread installation particulate filters DPF. During active use, such a filter can quickly fail under certain conditions.

The main task of the filter element is to trap soot. The next step is to burn out the accumulated soot deposits in such a way as to minimize damage to the environment. At the very beginning, the filter collects soot up to a certain point. This moment is determined by the difference in pressure before and after the element. When the pressure deviates from the permissible limit and the filter capacity does not allow further effective passage traffic fumes, diesel activates the appropriate mode for afterburning accumulated soot.

Afterburning of soot on a diesel engine is activated when different conditions, which are individually specified by the manufacturer of a particular model. These conditions are summarized by the fact that a diesel engine must have an average or high frequency rotation and being in motion. The ECU gives a command to increase the amount of fuel at the time of injection. The result is an increase in temperature exhaust gases at the exit. With such an increase in temperature, the soot burns out. If the car is operated in an urban area with short trips at low speeds, constantly warms up in winter and sits idle for a long time in traffic jams, then the self-cleaning mode particulate filter It simply won't activate. Constant exposure to such conditions leads to rapid clogging of the element.

Soot actively accumulates and clogs the filter element. Once the flow rate is reduced by 9/10, exhaust gas resistance will result in loss of power and . This malfunction, which is associated with actual blockage exhaust systems s, can affect both new cars and those with high mileage.

The service life of the particulate filter directly depends on a number of factors and the individual operating conditions of the vehicle. A critically clogged element needs to be replaced. It is worth noting that the cost of quality new part quite high. For this reason, the question of how to clean the particulate filter has become acute. diesel engine.

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Why does the particulate filter become clogged?

The pollution process begins as a result of combustion in the cylinders of a diesel engine. A by-product of combustion of a mixture of diesel fuel and air is soot. This soot does not cause any particular harm to the filter, since it is a fine powder. During filtration, these particles are simply retained on the mesh.

The problem arises due to the presence of hydrocarbon particles in the exhaust that were not burned in the working chamber. Hydrocarbons lead to the active formation of resinous deposits. Soot microparticles are literally glued together with resin, resulting in accelerated formation of carbon deposits. Carbon deposits also contain components in the form of metal sulfates, which are formed after the combustion of oil that has entered the cylinders.

Sulfates appear in the exhaust due to the fact that metal-containing additives are included in the basic composition of the additive package for diesel oils. This is especially true for universal motor oils, which can be used equally for both diesel and . The result is that the diesel self-cleaning system is unable to remove dense deposits on the particulate filter.

Benefits of regular maintenance, cleaning and rinsing

Liquids are made from petroleum components and are often packaged in 5-liter cans. Average consumption For high-quality washing One particulate filter contains at least 4 liters of composition. Moreover, the canister may have a special neck in advance, since you will then need to connect a hose. Canister options are also available, equipped with a ready-made hose.

Operating principle flushing fluid is based on the fact that the composition effectively dissolves resins (keeps for about 8 hours), on which the resulting carbon deposits are held. It is necessary to carefully follow the requirements of the fluid manufacturer, since it is very important to wait the necessary time for the full effect of washing on the soot.

Next, the released soot is simply washed off with a regular stream of clean water under pressure, which is applied to the filter. After this, the filter is dried and put in place. The resin solvent itself is petroleum-based, washes off well with water, and does not harm the structure of the catalyst.

Washing with removal allows use only special liquids, which have an effect on resins at the molecular level. The use of other means is strictly prohibited, as the matrix inside the filter has a fragile platinum layer. After washing, the cleaning effect is monitored visually. Often this method ensures complete and most effective cleaning of the filtration element.

Washing on a car without removing the filter

The second method is to wash the particulate filter without removing it, which means carrying out the work directly on the car. Filter part diesel car equipped with pressure and/or temperature sensors. If you unscrew the sensor, then it becomes possible to supply flushing fluid.

Since washing is carried out on a car, manufacturers take into account possible risk ignition of the flushing composition. In such conditions, it is no longer possible to use petroleum products. For cleaning, water-alkaline solutions paired with washing liquid are recommended. This liquid neutralizes harmful alkali after the solution has completed the cleaning process. Liquid is supplied to the element body using a gun specially designed for this purpose. A straight or curved probe is also used, and a spray nozzle is additionally provided.

A set of liquids, a gun, sprayers and probes allow you to work with almost any model diesel car equipped with a particulate filter. Cleaning using this method involves a step-by-step dosed supply of the cleaner through the sensor hole. The most commonly used installation location is the pressure sensor, which is located in front of the element. The car is warmed up in advance, then the filter is allowed to cool to approximately 40 degrees Celsius. The fact is that alkaline cleaning composition is most effective at this temperature.

For cleaning, you will need about 1 liter of liquid, which is left in the element body for 15 minutes. Spray gun high pressure connected to a straight or curved probe, which is inserted into the sensor hole. The cleaner is sprayed intermittently (up to 10 seconds spray, up to 10 seconds pause) directly onto the surface of the particulate filter. Operating pressure when spraying should be about 8 bar. It is advisable to rotate the probe during the spraying process, as well as move it back and forth to achieve best quality applying cleaning liquid to the matrix of the filter element.

Next, a rinse aid is sprayed in the same way, which neutralizes and washes away the cleaner. You will need about 500 ml. cleaning composition. Washing occurs using the same spray gun; similar pause time intervals are observed between spray stages. Thanks to this approach, the soot is distributed over the surface of the matrix more evenly. The result will be that the soot can be burned much more efficiently during the automatic self-cleaning process.

Upon completion, the pressure sensor is installed back in place, the diesel engine starts and warms up. After this, you will need to start the self-cleaning mode in order to burn through the soot particles freed from the bonding resins. This can be done either “naturally” or forcefully. In the first case, you will need to actively operate the diesel engine on the move for about 20 minutes in medium and high speed so that it independently initiates the start of the diesel particulate filter regeneration process.

If this is not possible or the automatic start of self-cleaning does not occur due to malfunctions in the diesel electronics, then the mode is forced to be activated. This is done using a diagnostic scanner. Diagnostic equipment will also allow you to evaluate the quality of cleaning the particulate filter from carbon deposits. To do this you need to compare the readings bandwidth element before and after using the wash.

Quick self-cleaning

Today, there is also the option of packaging flushing liquids in aerosol cans, which eliminates the need to use a spray gun. Additionally, the need to spray a wash-rinse aid may be eliminated, which depends on the specific manufacturer of the liquid and the composition of the proposed cleaner.

Using such solutions is extremely simple, which can be appreciated by using the example of washing a particulate filter without removing the filter element from Pro-Tec. The DPF Catalyst Cleaner product is a 400ml can of foaming particulate filter cleaner that also comes with a flexible wand. This amount is enough to completely clean one element, regardless of the degree of contamination. The product can be used to clean particulate filters of any generation.

Before use, the can must be shaken for at least one minute;
Next, the pressure sensor is removed, providing access through the hole;
Then the diesel engine is warmed up a little and then the engine is turned off;
The next step is to insert the probe and spray the cleaning agent;
You do not need to spray the cleaner immediately, but in several approaches (5 seconds spray, 5 seconds pause);
The procedure continues until foam appears visible in the sensor hole;
Afterwards, the spray probe must be removed, replacing the removed sensor;

Before the first launch diesel engine After cleaning, the manufacturer also recommends adding an additive to diesel fuel called Super Clean. The composition is poured directly into fuel tank car in accordance with the dosage indicated on the packaging. As you can see, additional washing of the filter itself after cleaning is not required.

How to best clean the particulate filter

Each of the described cleaning methods, according to the manufacturers, provides high-quality results. Each method has advantages and disadvantages in terms of implementation. In the case of washing with removal, you will need to experience difficulties in dismantling the element in the housing, spend a certain amount of time on washing, and also pay cash for 5 liters of flushing fluid. The advantages of this method include its simplicity and the absence of the need to have a special device on hand. diagnostic equipment in order to forcefully activate the self-cleaning system.

The second method significantly saves time, but may turn out to be even more financially expensive compared to the first. In this case, equipment is often required not only for spraying cleaner and washing, but also a diagnostic scanner for forced afterburning of soot. For this reason, it is preferable to carry out the cleaning procedure without removal at a service station by experienced specialists for an additional fee.

The third method is cheaper and faster, but inferior to others in efficiency. Many car enthusiasts consider the last two solutions for cleaning without removal more likely to be preventive methods that must be performed regularly under conditions of minor contamination diesel catalyst. For serious cleaning, a heavily clogged element must definitely be removed.

Finally, let us remind you once again that timely cleaning of the particulate filter of a diesel car can significantly extend the service life of the part and, in practice, will be much cheaper complete replacement the specified element to a new one.

Application

Just add to the fuel tank every 3000 km.

Is it safe for my car

STP® Diesel Particulate Filter Cleaner is suitable for diesel engines with a factory-fitted or aftermarket particulate filter. Not recommended for heavy trucks, which use constant regeneration of the particulate filter.

Note!

Cleans and protects the particulate filter. At the same time, it helps to avoid its replacement and significant financial costs.

Soot is a by-product of combustion fuel mixture, and its volume in the exhaust directly depends on the proportions of fuel and air. The particulate filter gets in the way of soot. It traps up to 95% of harmful emissions - does not release them outside and burns them. Excessive clogging of this part leads to a decrease in vehicle power.

Why does the particulate filter become clogged?

When driving, the filter gradually becomes clogged. This process is monitored by special sensors. Automatic regeneration can destroy accumulated soot by burning it off, but this only occurs when driving long distances. As a result of the additional supply of the fuel mixture, the temperature in the filter reaches 700 degrees, which helps to completely burn out the accumulated soot.

If you drive only within city limits, partial burning of pollution will occur, which does not solve the problem. The filter continues to clog.

Over time, it becomes critical - you have to change the element, which can cost 800 euros. By the way, wear is “promoted” by the use of low-quality gasoline. Driving with a clogged filter leads to the fact that regeneration is activated systematically, but complete burning of soot does not occur due to its large amount. Moreover, the system becomes clogged even faster, since due to the too frequent start of the regenerative process, the fuel does not burn out completely. The remaining substances end up in the exhaust.

Some of the unburnt mixture may end up in the oil, deteriorating its quality. Excessive pressure raises the oil level - it will eventually end up in the intercooler. Too high pressure can “kill” the motor. This is why the filter system needs to be washed from time to time using a special cleaner.

Signs of a clogged particulate filter

The following symptoms indicate critical clogging of the filter system:

increased fuel consumption;
high level oils in the system;
thrust decreases (as indicated by instrument readings);
on Idling the motor is unstable;
when the internal combustion engine is turned on, suspicious noises (hissing) are heard;
from exhaust pipe too much smoke comes out.

On a diesel engine, the signs of critical blockage are the same. By the way, the degree of contamination is determined by the electronics, so errors can be generated even in the absence of severe blockage.

Benefits of Regular Maintenance

The resource of the soot depends on the number of regeneration cycles initiated by the electronics. Frequent cleaning may cause complete burnout of the platinum layer of the catalyst due to too much high temperatures. The main advantage of regular diagnostics and cleaning is saving money on installing a new filter device.

When driving in extreme conditions soot is formed more actively. Preventative cleaning will help avoid replacing the unit. In addition, a car with pure soot consumes less fuel, its motor is more powerful. Is it worth talking about a significant reduction in harmful impurities in the atmosphere? In general, regular maintenance helps increase the resource of the node and makes it more reliable.

The particulate filter must be cleaned during Maintenance. This is the only way to avoid the accumulation of excessive amounts of soot deposits. There is another way to extend the life of the filter device - use additives. They help reduce soot formation activity and reduce the temperature that occurs during the regeneration process.

There are additives that are added to diesel fuel so that it burns out completely. This leads to a reduction in soot emissions into the system. When using additives, it is not necessary to clean the soot often - but sometimes it is still necessary to check.

How to clean the particulate filter

The company's cleaning products are considered high quality Liqui Moly, but they are expensive. The product helps reduce the formation of soot. It is suitable for diesel vehicles. Constant use of cleaning additives will increase the filter life.

Another effective product is Diesel Partikelfilter Schutz. One package is enough for 2,000 km. This substance is added to the fuel tank before adding fuel. It is not recommended to use Diesel Partikelfilter Schutz together with other products. 75 liters of fuel require 1 bottle.

JLM too quality product for washing soot. If you add it every 10,000 km, it can completely restore the functionality of the element. JLM can be used on any car.

The Russian remedy is “Security”. According to the manufacturer, it can reliably protect the DPF from clogging. The norm is 1 bottle per 10,000 km. The substance is added to the fuel tank. The cleaning process starts while the vehicle is moving. There is no negative impact on the elements of the fuel and exhaust systems. The use of the "Protection" product leads to a significant reduction in exhaust toxicity.

Do-it-yourself diesel particulate filter cleaning

Flushing the diesel particulate filter (as well as gasoline engine) are produced in 2 ways:

without dismantling the device;
after dismantling.

To clean the unit yourself, remove it. The procedure is quite troublesome - it takes 8 hours. We remove the filter device and fill its body with flushing agent. Cleaning liquid is usually sold in 5 liter canisters. One procedure takes up to 4 liters. We pour the product through the hose that comes with the canister.

When filling the filter, the substance begins to dissolve soot deposits. The desired effect can be expected after the liquid has been inside the case for 8 hours. Do not neglect to read the instructions before using the product, as it describes the dosage.

After 8 hours, the soot deposits are separated and removed with a pressurized water jet. Then the soot is put in place.

Some drivers think that chemical cleaners can be dangerous for the catalyst, but this is not the case. Modern additives contain safe elements that only destroy soot.

Remember the platinum layer covering inner part soot It is quite fragile, and excessive exposure to it is unacceptable.

Washing the particulate filter without dismantling

The work will be completed faster if you do not remove the device. This is made possible thanks to temperature sensor. After unscrewing it, a hole appears through which you can pour flushing fluid.

Do not forget about safety precautions - remember that the liquid can ignite. The product is applied into the hole using a gun or probe.

Here's how to proceed:

We warm up the engine.
Pour a liter of liquid into the hole and leave for 15 minutes.
We connect the gun to the probe.
We insert the probe into the hole.

Spraying the liquid takes 10 minutes. Then we stop the procedure for 10 minutes, then resume.

There should be 4 or 5 ten-minute cycles (cleaning-stop). For better spraying of the composition, it is recommended to scroll and move the probe back and forth during the cleaning process. After the procedures, pour rinse aid (0.5 liters) into the system, which is needed to neutralize residues active substance

. We rinse with a sprayer at the same time intervals.

The process may not start naturally due to problems with the electronics. In this case, you need to run it yourself using a diagnostic scanner.

Cleaning methods have their pros and cons, but it is better to dismantle the device. And it doesn't depend on what power unit is on a car - Diesel or gasoline engine.

Exhaust gas purification. This element of the car cleaning system requires periodic washing. Therefore, we will tell you what a particulate filter cleaner is and how often this element should be washed.

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How often should I wash?

Washing this filter component is necessary if the car owner feels that the engine of his car has become worse. The formation of soot in a diesel car engine is determined by fuel combustion processes, in particular:

supplying air to the system;
injection indicator;
propagation of the combustion zone in the engine.

It is worth noting here that in certain areas of the combustion chambers, over-enrichment of the combustible mixture can be recorded, which appears as a result of a lack of oxygen in the system. If such a process occurs in the engine, the combustion process will be incomplete, which may result in the formation of soot.

The filter element needs to be washed if problems occur during engine operation. serious problems associated with the filter. It is also recommended to do this during maintenance. To do this, you can use the services of specialists at a service station, but it is also worth remembering that you can also use a special particulate filter cleaner.

As for the frequency of element cleaning, it is determined for each individual car. In general, the service life of the soot cleaning component is determined by the frequency of its burning. That is, the more often the burning process occurs, the more catalyst can burn out irrevocably. In these cases, it is important to use an additive to clean the particulate filter, since the use of this substance can increase the service life of the element.

Special fluids for washing the component are especially relevant for those cars that are operated in urban environments. Do not forget that exhaust gases are dangerous not only for, but can also be fatally poisonous to humans. And the use of filter washing liquids allows not only to reduce the amount of soot in the exhaust gas cleaning system, but also to reduce the load on the element as a whole.

We cannot give exact recommendations for filter washing, since they are individual for each individual car. However, as practice shows, with the systematic use of additives, once every 2 - 3 thousand kilometers. Special measures to clean the element may not be necessary at all.

Purifier options

LM Diesel Partikelfilter Schutz

Additives from Liqui Moly are considered one of the best and most expensive that can be found in Russian and Ukrainian car stores. According to the manufacturer of the substance, these additives are not only highly effective, but also reduce the rate of soot formation. And this, in turn, helps to increase the service life of the element, and also facilitates the operation of the engine as a whole.

The use of this additive, as the manufacturer assures, is especially relevant for diesel vehicles that operate:

in urban environments;
in traffic jams;
at short distances.

Such cars more often than others experience problems with filter element clogging. If the substance is systematically added to the fuel, the condition of the purification component will be maintained clean. This will enable the car owner to avoid expensive repairs and time costs that may arise if a component fails.

One package of Diesel Partikelfilter Schutz is enough to use for 2 thousand kilometers. The manufacturer recommends adding the substance to the car's fuel tank before refueling the car with diesel. One bottle of the substance is enough for 75 liters of diesel. Also, do not forget that overdoing it in this case can only do harm. That is, it is necessary to avoid overdose. In addition, the manufacturer categorically does not recommend using Diesel Partikelfilter Schutz together with substances of other brands.

JLM

This type additives is also one of the most common among domestic motorists. According to the manufacturer of the consumables, the use of this substance allows for maximum rinsing of the soot cleaning element if you add it once every 10 thousand kilometers. To wash the filter, you need to add JLM to the fuel, after which even the most contaminated element will be cleaned. In addition, JLM allows you to restore the operation of the element in case of regular use of the car in urban conditions.

As for the benefits:

JLM allows you to extend the life of the exhaust gas treatment system;
flushing liquid allows you to reduce the cost of unscheduled maintenance or repair work;
consumables reduce the regeneration rate, which can subsequently lead to mechanical damage filter element housing.

The consumable substance for cleaning the particulate filter element of the PROTEC brand has also managed to establish itself among domestic motorists. The manufacturer of the material assures its consumers that if PROTEC DPF Super Clean is regularly used, the car owner will be able to protect his vehicle for a long time and reliably vehicle from breakdown.

PROTEC DPF Super Clean, according to the manufacturer, is highly effective consumables for cleaning the exhaust filter. To flush the element, you need to add a substance to the fuel tank. As for the benefits of using PROTEC:

The cleaning itself takes place during the operation of the vehicle;
consumables allow you to eliminate deposits that appear in the particulate filter as much as possible;
PROTEC flushing fluid does not have a negative effect on the elements fuel system, as well as exhaust gas purification systems.
The substance also helps reduce the level of toxicity of exhaust gases.

Video " Liqui Moly Particulate Filter Cleaner»

This video shows the process of completely cleaning the exhaust system with a Liqui Moly cleaner.

Why does the particulate filter become clogged?

Benefits of regular maintenance, cleaning and rinsing

Washing on a car without removing the filter

Quick self-cleaning

How to best clean the particulate filter

Application

Is it safe for my car

Note!

Why does the particulate filter become clogged?

Signs of a clogged particulate filter

Benefits of Regular Maintenance

How to clean the particulate filter

Do-it-yourself diesel particulate filter cleaning

Washing the particulate filter without dismantling

How often should I wash?

Purifier options

LM Diesel Partikelfilter Schutz

JLM

Video " Liqui Moly Particulate Filter Cleaner»

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