How long do diesel particulate filters last
Particulate filter Everything about soot particle filters
Soot particle filter - you have to know that about environmental protection.
The soot particle filter or diesel particle filter fulfills an important protective function: it filters pollutants out of the exhaust gases and is doing the environment a favor. In principle, it works like a coffee filter. The coffee goes into the cup, large lumps stay outside. The soot particle filter is now a matter of course for new vehicles with diesel engines. Owners of older models should retrofit the environmentally friendly Plus. Since mid-2007, the state has even been helping you financially with retrofitting. Especially in the city center, a collection point for pollutants, the protective measure has meanwhile become indispensable.
How long does a soot filter last?
The durability of a soot filter varies from vehicle to vehicle. Both your personal driving style and the intended use of your car influence its service life. If you mainly need the vehicle for short journeys, its life expectancy is often limited. Due to the short distances, it clogs faster. The engine rarely reaches the recommended operating temperature. The result: the fuel is never completely exhausted. This means that the combustion process in the engine releases more soot than other vehicles. All the more soot particles pollute the particle filter. And the greater the pollution of the filter, the shorter the life of the car.
But don't worry: it's not just short-distance drivers who put the soot particle filter to the test. Every model has a natural lifespan - depending on the manufacturer and vehicle. Usually it moves between 120,000 and 240,000 kilometers. If your soot filter is already scratching the critical 12,000 kilometer limit, special care is required.
Where do you replace a particulate filter?
Is your soot particle filter slowly failing? Then the filter should urgently be replaced or repaired. Even if authorized workshops are notorious, they know your car best and know what needs to be changed. If you have a lot of electronics in your car, you should be on the safe side when looking for the right workshop. However, many would like to buy the spare parts themselves. Online portals such as Daparto.de help with this. The portal offers a separate page for each spare part. Here you can Soot particle filter for each type of car find and compare prices.
How does a soot particle filter work?
In principle, experts differentiate between flow filters and wall-flow filters. If it is a flow-through filter, the exhaust gases flow out of the vehicle along the inner surface of the filter. Pollutant control begins at the flow. The pests concentrate on the surface through chemical reactions. They are then locked in and neutralized.
It is different with the wall-flow filter: the exhaust gas has to find its way through a porous filter wall. However, larger particles do not fit through. They get stuck in the filter wall.
Soot particle filter vs. catalytic converter - what is the difference?
Many diesel vehicles are equipped with a powerful double: in addition to the soot particle filter, they have a catalytic converter - unlike conventional gasoline engines. He is satisfied with a catalyst. So the question rightly arises: Why is the diesel engine dependent on two filters? After all, both fulfill the same function: environmental protection.
Both the catalytic converter and the soot particle filter remove pollutants such as ash, rust, sulfate, metal abrasion, soot, hydrocarbon residues and water droplets from the exhaust gases. The catalytic converter turns harmful exhaust gases into less harmful exhaust gases. This is completely sufficient for a gasoline engine, but not for a diesel engine. It calls for an additional protective measure, better known as a diesel particulate filter. Unlike the catalytic converter, it does not convert harmful gases into less harmful gases. Instead, it picks up harmful particles in the exhaust gases. During this process, small particles accumulate in the filter. It is true that these are only small parts. Little by little, however, the small parts clog the system. A replacement is needed.
Soot particle filter - for the sake of health
When the engine burns, pollutants remain. These residues are so small that they can easily penetrate the respiratory tract of humans and animals. The health consequences are fatal: If the particles get through the cell tissue, they can trigger cancer and circulatory diseases. A functioning soot particle filter is all the more important - for the sake of climate protection.
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