It is never pleasing to notice a sound you don’t know about, and which originates from your car. So, what if you detect an exhaust noise that remains on your Citroen C5? It is highly possible that this is a minimal issue, however, before being sure, it is better to execute some checks. Our team has made this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Citroen C5 and second, if you have a metallic rattling noise on your Citroen C5.
Muffled exhaust noise Citroen C5
Exhaust pipe with holes Citroen C5
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your Citroen C5, it is possible that it is due to a crack in the exhaust pipe, this is the most typical cause. To be able to verify this, situate somebody under the running motor vehicle and accelerate to help them identify the starting point of the hole. Once identified, 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 C5
The other possibility of being confronted with a muffled exhaust noise on Citroen C5 is to have a part of the exhaust device that has dislocated because of vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and cause 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 C5 to discern the issue location, and tighten or swap the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider looking at this content page which gives answers gives solutions about rear end noises on Citroen C5.
Metal rattling exhaust sound Citroen C5
Damaged exhaust muffler noise Citroen C5
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be weakened. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your Citroen C5, cold, and tap each of the previously stated parts with a hammer to discern 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 C5, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Citroen C5 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Citroen C5 may be in connection with a poor attachment of your exhaust to your vehicle. In fact, over time, vibrations, the pot fasteners on the vehicle 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 reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine, 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.
