The particle filter is a fairly recent 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 expected and causes more complications than it handles, which is why we will discover on this page when changing the particulate filter of a Volkswagen Passat 7? . To achieve this, first of all, we will find out what the particle filter on your car is used for, and then when to change the particle filter on your Volkswagen Passat 7.

when-change-particulate-filter-volkswagen-passat-7

What’s the point of a Volkswagen Passat 7’s particulate filter?

So we start our content with the rationale to do this element not too long ago included into diesel automobiles. As we mentioned briefly in the introduction, the goal of this filter was to resolve the complications of pollution and harmfulness of exhaust fumes from Volkswagen Passat 7 automobiles. Its operating concept is to store exhaust fumes 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 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 Volkswagen Passat 7 engine revving up. So we have noticed over time that cars that are mainly on short trips or in the city do not enable the particulate filter to burn these fumes and we will observe in the next section that these complications can force you to change the particulate filter of your Volkswagen Passat 7 .

When to change the particulate filter of a Volkswagen Passat 7?

In this section we will find out what you are most definitely attracted to here, if it is required to change the particulate filter of a Volkswagen Passat 7 and if so, when?

Is it required to change the particulate filter on Volkswagen Passat 7?

There are 2 sort of particulate filter for cars, a particulate filter with additive, which does not concern the Volkswagen Passat 7, but which needs to be recharged every 120, 000km with an additive that allows the regeneration of the particulate filter and consequently to burn all those harmful soot. The second one, the one we are enthusiastic about in this article, 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 described 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. If you need to clean the EGR valve of your Volkswagen Passat 7 due to your particulate filter, do not hesitate to look at our article on this subject to find out what the procedure is.

When to change the particulate filter of a Volkswagen Passat 7?

As we defined just before, a particulate filter is designed to last the life of the car, nevertheless some of you may wonder when it is required to change the particulate filter of its Volkswagen Passat 7? Be aware that this component is extremely expensive, labor is not the main issue because it is easy to access. But the component itself will vary enormously in price depending on your motorization, you can still count a range between 700 and 2000€. This change should just be considered in the case of a completely clogged particle filter. If you don’t repeatedly take the motorway, we suggest 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 due to 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 you wish more guides on the Volkswagen Passat 7, go to our Volkswagen Passat 7 category.