The particle filter is a pretty modern invention that aims to take out harmful particles from the exhaust gases of modern diesels. It has long been discovered as the miracle solution to these pollution complications. However, it doesn’t work as well as intended and causes more complications than it handles, which is why we will see on this page when changing the particulate filter of a Audi S5? . To achieve this, to begin with, we will find out what the particle filter on your car is intended for, and then when to replace the particle filter on your Audi S5.

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What’s the point of a Audi S5’s particulate filter?

So we begin our content with the reason for this element not too long ago built in into diesel automobiles. As we explained briefly in the introduction, the purpose of this filter was to resolve the complications of pollution and harmfulness of exhaust gases from Audi S5 automobiles. Its operating principle is to store exhaust gases that are unburned or that still contain harmful particles, and when it is at a adequately high temperature to cause a second combustion that will finish burning and eliminate all these carcinogenic particles. Unfortunately, to reach this very high engine unit temperature, you have to be on the highway or have your Audi S5 engine unit revving up. So we have noticed over time that vehicles that are specifically on short trips or in the city do not allow the particulate filter to burn these gases and we will see in the next part that these complications can force you to replace the particulate filter of your Audi S5 .

When to replace the particulate filter of a Audi S5?

In this section we will find out what you are most definitely attracted to here, whether it is necessary to replace the particulate filter of a Audi S5 and if so, when?

Is it necessary to replace the particulate filter on Audi S5?

There are 2 kind of particulate filter for vehicles, a particulate filter with additive, which does not concern the Audi S5, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and therefore to burn all those harmful soot. The second one, the one we are interested in today, functions with precious metals that will produce a chemical reaction at high temperature and cause the regeneration of the filter and the evacuation of the carcinogenic materials. However, as described above, it needs 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 unit. If you need to clean the EGR valve of your Audi S5 as a result of your particulate filter, do not hesitate to check out our content page on this subject to find out what the process is.

When to replace the particulate filter of a Audi S5?

As we explained before, a particulate filter is supposed to last the life of the vehicle, however some of you may wonder when it is necessary to replace the particulate filter of its Audi S5? Take note that this component is extremely expensive, labor is not the most important issue because it is easy to access. But the component itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should just be considered in the circumstance of a completely clogged particle filter. If you don’t frequently take the motorway, we advise 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 regular temperature rise and other design complications, you should begin 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 .

To find more tips on the Audi S5, take a look at the Audi S5 category.