It is never pleasant to hear a sound you don’t know about, and which results from your car. Thus, what if you detect an exhaust noise that is persistant on your Citroen Ds3? It is highly possible that this is a minimal trouble, however, before being sure, it is better to execute some investigations. Our team has written this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Citroen Ds3 and second, if you have a metallic rattling noise on your Citroen Ds3.exhaust-noise-citroen-ds3

Muffled exhaust noise Citroen Ds3

Exhaust pipe with holes Citroen Ds3

Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could finally become dirty, for example. If you have an exhaust noise on your Citroen Ds3, it is possible that it is due to a crack in the exhaust pipe, this is the most classic reason. To be able to confirm this, situate somebody under the running motor car and accelerate to help them recognize the origin of the hole. Once found, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.

Element dislocated exhaust pipe Citroen Ds3

The other possibility of being the subject of a muffled exhaust noise on Citroen Ds3 is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. In fact some junctions of the different parts of the pot can loosen along with time and induce an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Citroen Ds3 to discover the trouble place, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about having a look at this content page which gives answers gives solutions about rear end noises on Citroen Ds3.

Metal rattling exhaust sound Citroen Ds3

Damaged exhaust muffler noise Citroen Ds3

If, alternatively, you are exposed to an exhaust sound that is more of a metallic type of, it is possible that one or more parts of your exhaust may be broken. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the induce of this noise. To confirm, go under your Citroen Ds3, cold, and tap each of the previously stated parts with a hammer to discover the origin of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a dead catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Citroen Ds3, you will either have to find a resale one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Citroen Ds3 : Silentblock, loose pot

Finally, a metallic exhaust noise on your Citroen Ds3 may be connected to a poor attachment of your exhaust to your car. In fact, as time passes, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to check, when cold, that the pot holds well, to try to get it to move in different directions and watch how it behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, the more fixed it should be. Visually check the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be swapped.