It is never pleasing to discover a sound you don’t know about, and which will arrive from your car. So, what if you spot an exhaust noise that is persistant on your Peugeot 4007? It is highly possible that this is a minimal issue, however, before being sure, it is better to accomplish some verifications. Our team has created this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Peugeot 4007 and second, if you have a metallic rattling noise on your Peugeot 4007.exhaust-noise-peugeot-4007

Muffled exhaust noise Peugeot 4007

Exhaust pipe with holes Peugeot 4007

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could after a while become dirty, for example. If you have an exhaust noise on your Peugeot 4007, it is possible that it is due to a hole in the exhaust pipe, this is the most classic cause. To be able to verify this, situate someone under the running motor car and accelerate to help them identify the starting point of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be replaced.

Element dislocated exhaust pipe Peugeot 4007

The other possibility of being subjected to a muffled exhaust noise on Peugeot 4007 is to have a part of the exhaust device that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen along with time and induce 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 4007 to discern the issue area, 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, think about having a look at this document which gives answers gives solutions about rear end noises on Peugeot 4007.

Metal rattling exhaust sound Peugeot 4007

Damaged exhaust muffler noise Peugeot 4007

If, alternatively, you are subject 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 possible that either your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Peugeot 4007, cold, and tap each of the previously stated parts with a hammer to discern the source 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 Peugeot 4007, you will either have to find a used one and do it yourself, or go to your technician.

Metal rattling exhaust noise Peugeot 4007 : Silentblock, loose pot

Finally, a metallic exhaust noise on your Peugeot 4007 may be related to a poor attachment of your exhaust to your car. In fact, as time passes, vibrations, the pot fasteners on the car 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 reacts. 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 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 replaced.