It is rarely pleasing to notice a sound you don’t know about, and which comes from your car. Thus, what if you spot an exhaust noise that persists on your Peugeot 307? It is highly possible that this is a minimal problem, however, before being sure, it is better to accomplish some checks. Our team has created this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Peugeot 307 and second, if you have a metallic rattling noise on your Peugeot 307.
Muffled exhaust noise Peugeot 307
Exhaust pipe with holes Peugeot 307
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 time become dirty, for example. If you have an exhaust noise on your Peugeot 307, it is plausible that it is due to a crack in the exhaust pipe, this is the most classic explanation. To be able to validate this, locate somebody under the running motor vehicle and accelerate to help them find the origin 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 Peugeot 307
The other possibility of being confronted with a muffled exhaust noise on Peugeot 307 is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. Indeed some junctions of the different parts of the pot can loosen along with time and generate an exhaust gas leak in places not intended for this purpose. These fumes will then make a loud noise. Same technique as above, we go under the Peugeot 307 to determine the problem area, 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, consider having a look at this document which gives solutions gives solutions about rear end noises on Peugeot 307.
Metal rattling exhaust sound Peugeot 307
Damaged exhaust muffler noise Peugeot 307
If, alternatively, you are subject to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the induce of this noise. To confirm, go under your Peugeot 307, cold, and tap each of the previously stated parts with a hammer to determine 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 Peugeot 307, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Peugeot 307 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Peugeot 307 may be related to a poor attachment of your exhaust to your vehicle. Indeed, after some time, 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.
