It is never pleasant to perceive a sound you don’t know about, and which will arrive from your car. So, what if you identify an exhaust noise that is persistant on your Citroen C15? It is highly possible that this is a small issue, however, before being sure, it is better to conduct some checks. Our team has written this to help you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Citroen C15 and second, if you have a metallic rattling noise on your Citroen C15.
Muffled exhaust noise Citroen C15
Exhaust pipe with holes Citroen C15
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could finally become dirty, for example. If you have an exhaust noise on your Citroen C15, it is possible that it is due to a crack in the exhaust pipe, this is the most usual cause. In order to confirm this, locate somebody under the running motor vehicle and accelerate to help them discover 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 swapped.
Element dislocated exhaust pipe Citroen C15
The other possibility of being subjected to a muffled exhaust noise on Citroen C15 is to have a part of the exhaust unit that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen after a while and induce an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Citroen C15 to establish 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 looking at this article which gives answers gives solutions about rear end noises on Citroen C15.
Metal rattling exhaust sound Citroen C15
Damaged exhaust muffler noise Citroen C15
If, on the other hand, 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 damaged. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Citroen C15, cold, and tap each of the previously stated parts with a hammer to establish 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Citroen C15, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Citroen C15 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Citroen C15 may be connected to a poor attachment of your exhaust to your vehicle. Indeed, as time passes, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to examine, 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, the more fixed it should be. Visually examine 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.
