The particle filter is a quite modern invention that aims to remove harmful particles from the exhaust gases of modern diesels. It has long been discovered as the miracle solution to these pollution complications. Nevertheless, it doesn’t work as well as intended and triggers more complications than it solves, which is why we will discover today when changing the particulate filter of a Cadillac SRX? . To do this, first of all, we will find out what the particle filter on your motor vehicle is utilized for, and then when to change the particle filter on your Cadillac SRX.


What’s the point of a Cadillac SRX’s particulate filter?

So we commence our article with the reason to do this component recently built in into diesel automobiles. As we described quickly in the introduction, the intent of this filter was to solve the complications of pollution and harmfulness of exhaust fumes from Cadillac SRX automobiles. Its functioning principle 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. Regrettably, to reach this very high engine temperature, you have to be on the highway or have your Cadillac SRX engine revving up. So we have realized as time passes 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 discover in the next part that these complications can force you to change the particulate filter of your Cadillac SRX .

When to change the particulate filter of a Cadillac SRX?

In this section we will find out what you are certainly attracted to here, whether it is necessary to change the particulate filter of a Cadillac SRX and if so, when?

Is it necessary to change the particulate filter on Cadillac SRX?

There are 2 kind of particulate filter for vehicles, a particulate filter with additive, which does not concern the Cadillac SRX, 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 interested in in this article, works 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. Nevertheless, 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. If you need to clean the EGR valve of your Cadillac SRX as a result of your particulate filter, do not think twice to check out our article on this subject to find out what the process is.

When to change the particulate filter of a Cadillac SRX?

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 change the particulate filter of its Cadillac SRX? Be aware that this part is extremely expensive, labor is not the main problem 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 only be considered in the case of a completely clogged particle filter. If you don’t repeatedly 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 problematic, 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 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 .

Whenever you have any additional questions about the Cadillac SRX, do not hesitate to consult our Cadillac SRX category.