The particle filter is a quite new invention 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 problems. Nevertheless, it doesn’t work as well as designed and causes more problems than it resolves, which is why we will find out in this article when changing the particulate filter of a Cadillac CTS? . To get this done, 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 Cadillac CTS.


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

So we begin our guideline with the reason for this component recently built in into diesel vehicles. As we explained quickly in the introduction, the aim of this filter was to solve the problems of pollution and harmfulness of exhaust fumes from Cadillac CTS vehicles. Its operating concept is to store exhaust fumes that are unburned or that still contain harmful particles, and when it is at a sufficiently high temperature to bring about 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 Cadillac CTS engine unit revving up. So we have discovered 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 problems can force you to change the particulate filter of your Cadillac CTS .

When to change the particulate filter of a Cadillac CTS?

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

Is it required to change the particulate filter on Cadillac CTS?

There are 2 kind of particulate filter for vehicles, a particulate filter with additive, which does not concern the Cadillac CTS, 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 bring about the regeneration of the filter and the evacuation of the carcinogenic materials. Nevertheless, as explained 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 Cadillac CTS because of your particulate filter, do not hesitate to look at our content page on this subject to find out what the procedure is.

When to change the particulate filter of a Cadillac CTS?

As we defined just before, a particulate filter is designed to last the life of the car, however some of you may wonder when it is required to change the particulate filter of its Cadillac CTS? Take note that this component is extremely expensive, labor is not the main 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 change should only be considered in the circumstance of a completely clogged particle filter. If you don’t regularly 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 because of the lack of a sufficiently regular temperature rise and other design problems, 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 CTS, do not hesitate to consult our Cadillac CTS category.