It is rarely pleasant to notice a sound you don’t know about, and which results from your car. So, what if you identify an exhaust noise that remains on your Renault Espace 4? It is highly possible that this is a minor trouble, however, before being sure, it is better to operate some investigations. Our team has produced this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Renault Espace 4 and second, if you have a metallic rattling noise on your Renault Espace 4.
Muffled exhaust noise Renault Espace 4
Exhaust pipe with holes Renault Espace 4
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Renault Espace 4, 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 a friend or relative under the running motor car and accelerate to help them locate 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 Renault Espace 4
The other possibility of being the subject of a muffled exhaust noise on Renault Espace 4 is to have a part of the exhaust system that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen with time and cause 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 Renault Espace 4 to determine the trouble 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, consider having a look at this content which gives solutions gives solutions about rear end noises on Renault Espace 4.
Metal rattling exhaust sound Renault Espace 4
Damaged exhaust muffler noise Renault Espace 4
If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort of, it is possible that one or more parts of your exhaust may be broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To make sure, go under your Renault Espace 4, 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 Renault Espace 4, you will either have to find a used one and do it yourself, or go to your technician.
Metal rattling exhaust noise Renault Espace 4 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Espace 4 may be connected to a poor attachment of your exhaust to your car. Indeed, as time passes, vibrations, the pot fasteners on the car 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 responds. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, 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 swapped.
