It is rarely pleasing to listen to a sound you don’t know about, and which results from your car. So, what if you notice an exhaust noise that persists on your Citroen C6? It is highly possible that this is a minimal issue, however, before being sure, it is better to carry out some checks. Our team has created this to help you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Citroen C6 and second, if you have a metallic rattling noise on your Citroen C6.exhaust-noise-citroen-c6

Muffled exhaust noise Citroen C6

Exhaust pipe with holes Citroen C6

Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine unit, which could in the end become dirty, for example. If you have an exhaust noise on your Citroen C6, it is plausible that it is due to a crack in the exhaust pipe, this is the most common explanation. In order to verify this, position somebody under the running motor automobile and accelerate to help them locate the starting point 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 changed.

Element dislocated exhaust pipe Citroen C6

The other possibility of being the subject of a muffled exhaust noise on Citroen C6 is to have a part of the exhaust device that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and generate an exhaust gas leak in places not intended for this purpose. These fumes will then generate a loud noise. Same technique as above, we go under the Citroen C6 to identify the issue area, and tighten or change the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, consider having a look at this content which gives answers gives solutions about rear end noises on Citroen C6.

Metal rattling exhaust sound Citroen C6

Damaged exhaust muffler noise Citroen C6

If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To confirm, go under your Citroen C6, cold, and tap each of the previously stated parts with a hammer to identify 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Citroen C6, you will either have to find a resale one and do it yourself, or go to your technician.

Metal rattling exhaust noise Citroen C6 : Silentblock, loose pot

Finally, a metallic exhaust noise on your Citroen C6 may be related to a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile 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 responds. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, 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 changed.