The particle filter is a quite modern technology that is designed to take out harmful particles from the exhaust gases of modern diesels. It has long been discovered as the miracle solution to these pollution problems. However, it doesn’t work as well as intended and causes more problems than it solves, which is why we will see on this page when changing the particulate filter of a Audi A3? . To get this done, to begin with, we will identify what the particle filter on your car is used for, and then when to replace the particle filter on your Audi A3.

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What’s the point of a Audi A3’s particulate filter?

So we begin our article with the reason to do this component not too long ago integrated into diesel automobiles. As we described quickly in the introduction, the intent of this filter was to solve the problems of pollution and harmfulness of exhaust gases from Audi A3 automobiles. Its functioning concept is to store exhaust gases that are unburned or that still contain harmful particles, and when it is at a sufficiently high temperature to cause a second combustion that will finish burning and get rid of all these carcinogenic particles. Unfortunately, to reach this very high engine temperature, you have to be on the highway or have your Audi A3 engine revving up. So we have noticed over time that vehicles that are specifically on short trips or in the city do not enable the particulate filter to burn these gases and we will observe in the next part that these problems can force you to replace the particulate filter of your Audi A3 .

When to replace the particulate filter of a Audi A3?

In this section we will identify what you are certainly attracted to here, if it is necessary to replace the particulate filter of a Audi A3 and if so, when?

Is it necessary to replace the particulate filter on Audi A3?

There are 2 sort of particulate filter for vehicles, a particulate filter with additive, which does not matter the Audi A3, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and consequently to burn all those harmful soot. The second one, the one we are enthusiastic about today, works with precious metals that will generate a chemical reaction at high temperature and cause the regeneration of the filter and the evacuation of the carcinogenic materials. However, as mentioned above, it necessitates very high temperatures, if these are not reached the filter will clog. If the filter is not regenerated manually, drive at high speed for about 20 minutes to reach this temperature and thus regenerate your filter, you will clog it and risk damaging your turbo, your EGR valve or your engine. If you need to clean the EGR valve of your Audi A3 as a result of your particulate filter, do not think twice to look at our article on this subject to identify what the procedure is.

When to replace the particulate filter of a Audi A3?

As we revealed just before, a particulate filter is supposed to last the life of the car, nevertheless some of you may wonder when it is necessary to replace the particulate filter of its Audi A3? Be aware that this part is extremely expensive, labor is not the main issue because it is easy to access. But the part itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should only be considered in the circumstance of a completely clogged particle filter. If you don’t repeatedly take the motorway, we recommend you, every month to drive 10 minutes on the motorway at least 3000 rpm . In spite of everything, the current particulate filter have not been well designed and remain troublesome, it is considered that as a result of the lack of a sufficiently frequent temperature rise and other design problems, you should start planning to replace your particulate filter from 200, 000km if you have a use of your XX that is more urban and a little more if it is mixed .

Whenever you have any further questions about the Audi A3, do not hesitate to consult our Audi A3 category.