The particle filter is a pretty recent invention that aims to remove harmful particles from the exhaust gases of latest diesels. It has long been discovered as the miracle solution to these pollution complications. Nevertheless, it doesn’t work as well as intended and causes more complications than it handles, which is why we will see today when changing the particulate filter of a Audi Rs4? . To achieve this, to begin with, we will find out what the particle filter on your motor vehicle is intended for, and then when to change the particle filter on your Audi Rs4.


What’s the purpose of a Audi Rs4’s particulate filter?

So we commence our content with the rationale to do this component not too long ago included into diesel vehicles. As we described briefly in the introduction, the aim of this filter was to fix the complications of pollution and harmfulness of exhaust gases from Audi Rs4 vehicles. Its functioning concept 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. Regrettably, to reach this very high engine unit temperature, you have to be on the highway or have your Audi Rs4 engine unit revving up. So we have realized with time that cars that are principally on short trips or in the city do not allow the particulate filter to burn these gases and we will observe in the next part that these complications can force you to change the particulate filter of your Audi Rs4 .

When to change the particulate filter of a Audi Rs4?

In this section we will find out what you are most definitely attracted to here, whether it is required to change the particulate filter of a Audi Rs4 and if so, when?

Is it required to change the particulate filter on Audi Rs4?

There are 2 kind of particulate filter for cars, a particulate filter with additive, which does not matter the Audi Rs4, 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 in this article, works 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. Nevertheless, as revealed earlier, 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 Rs4 as a result of your particulate filter, do not hesitate to check out our content on this subject to find out what the procedure is.

When to change the particulate filter of a Audi Rs4?

As we described before, a particulate filter is supposed to last the life of the car, nevertheless some of you may possibly wonder when it is required to change the particulate filter of its Audi Rs4? Take note 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 change should just be considered in the circumstance of a completely clogged particle filter. If you don’t frequently 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 problematic, it is considered that as a result of the lack of a sufficiently frequent temperature rise and other design complications, you should begin planning to change 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 .

If perhaps you have any additional questions about the Audi Rs4, do not hesitate to consult our Audi Rs4 category.