The particle filter is a quite new technology that is designed to take out harmful particles from the exhaust gases of latest diesels. It has long been seen as the miracle solution to these pollution complications. However, it doesn’t work as well as intended and triggers more complications than it solves, which is why we will find out on this page when changing the particulate filter of a Alfa Romeo 156? . To do this, first of all, we will find out what the particle filter on your car is intended for, and then when to replace the particle filter on your Alfa Romeo 156.

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What’s the purpose of a Alfa Romeo 156’s particulate filter?

So we start our article with the reason for this element not too long ago built in into diesel vehicles. As we explained briefly in the introduction, the intent of this filter was to fix the complications of pollution and harmfulness of exhaust fumes from Alfa Romeo 156 vehicles. Its functioning 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 trigger 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 Alfa Romeo 156 engine revving up. So we have realized over time that vehicles that are principally on short trips or in the city do not allow the particulate filter to burn these fumes and we will see in the next part that these complications can force you to replace the particulate filter of your Alfa Romeo 156 .

When to replace the particulate filter of a Alfa Romeo 156?

In this section we will find out what you are most definitely drawn to here, whether it is required to replace the particulate filter of a Alfa Romeo 156 and if so, when?

Is it required to replace the particulate filter on Alfa Romeo 156?

There are 2 sort of particulate filter for vehicles, a particulate filter with additive, which does not concern the Alfa Romeo 156, but which needs to be recharged every 120, 000km with an additive that allows the regeneration of the particulate filter and therefore to burn all those harmful soot. The second one, the one we are keen on in this article, functions with precious metals that will produce a chemical reaction at high temperature and trigger the regeneration of the filter and the evacuation of the carcinogenic materials. However, as mentioned 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. If you need to clean the EGR valve of your Alfa Romeo 156 due to your particulate filter, do not think twice to check out our content on this subject to find out what the process is.

When to replace the particulate filter of a Alfa Romeo 156?

As we defined before, a particulate filter is designed to last the life of the car, nevertheless some of you might wonder when it is required to replace the particulate filter of its Alfa Romeo 156? Be aware that this component is extremely expensive, labor is not the most important issue because it is easy to access. But the part itself will vary enormously in price depending 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 due to the lack of a sufficiently frequent temperature rise and other design complications, 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 .

If you need more tutorials on the Alfa Romeo 156, go to our Alfa Romeo 156 category.