It is rarely pleasing to find out a sound you don’t know about, and which comes from your car. So, what if you detect an exhaust noise that is persistant on your Peugeot 508? It is highly probable that this is a small trouble, however, before being sure, it is better to operate some verifications. Our team has created this to support you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Peugeot 508 and second, if you have a metallic rattling noise on your Peugeot 508.
Muffled exhaust noise Peugeot 508
Exhaust pipe with holes Peugeot 508
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your Peugeot 508, it is plausible that it is due to a crack in the exhaust pipe, this is the most usual cause. To be able to validate this, situate a friend or relative under the running motor vehicle and accelerate to help them determine 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 changed.
Element dislocated exhaust pipe Peugeot 508
The other possibility of being subjected to a muffled exhaust noise on Peugeot 508 is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while and cause 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 Peugeot 508 to discover the trouble region, 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 having a look at this article which gives answers gives solutions about rear end noises on Peugeot 508.
Metal rattling exhaust sound Peugeot 508
Damaged exhaust muffler noise Peugeot 508
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be weakened. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Peugeot 508, 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 out of date catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Peugeot 508, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Peugeot 508 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Peugeot 508 may be related to a poor attachment of your exhaust to your vehicle. In fact, as time passes, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to verify, 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 verify 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.
