It is never pleasing to listen to a sound you don’t know about, and which originates from your car. So, what if you spot an exhaust noise that remains on your Renault Trafic? It is highly probable that this is a small trouble, however, before being sure, it is better to execute some inspections. Our team has made this to help you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Renault Trafic and second, if you have a metallic rattling noise on your Renault Trafic.
Muffled exhaust noise Renault Trafic
Exhaust pipe with holes Renault Trafic
Having a muffled sound from its exhaust is not insignificant and can lead to 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 Trafic, it is possible that it is due to a crack in the exhaust pipe, this is the most common explanation. To be able to validate this, situate somebody 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 changed.
Element dislocated exhaust pipe Renault Trafic
The other possibility of being the subject of a muffled exhaust noise on Renault Trafic is to have a part of the exhaust device that has dislocated due to 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 create a loud noise. Same technique as above, we go under the Renault Trafic to determine 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, think about having a look at this content which gives solutions gives solutions about rear end noises on Renault Trafic.
Metal rattling exhaust sound Renault Trafic
Damaged exhaust muffler noise Renault Trafic
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Renault Trafic, 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your Renault Trafic, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Renault Trafic : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Trafic may be linked to a poor attachment of your exhaust to your car. In fact, after some time, 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, 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.
