It is never pleasing to listen to a sound you don’t know about, and which will arrive from your car. So, what if you discover an exhaust noise that remains on your Renualt Express? It is highly probable that this is a minor trouble, however, before being sure, it is better to accomplish some inspections. Our team has produced this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Renualt Express and second, if you have a metallic rattling noise on your Renualt Express.exhaust-noise-renault-express

Muffled exhaust noise Renualt Express

Exhaust pipe with holes Renualt Express

Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could after a while become dirty, for example. If you have an exhaust noise on your Renualt Express, it is possible that it is due to a hole in the exhaust pipe, this is the most usual cause. In order to confirm this, situate someone under the running motor vehicle and accelerate to help them recognize the source 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 replaced.

Element dislocated exhaust pipe Renualt Express

The other possibility of being the subject of a muffled exhaust noise on Renualt Express is to have a part of the exhaust system that has dislocated due to 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 produce a loud noise. Same technique as above, we go under the Renualt Express to define the trouble place, and tighten or replace the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, think about having a look at this content which gives answers gives solutions about rear end noises on Renualt Express.

Metal rattling exhaust sound Renualt Express

Damaged exhaust muffler noise Renualt Express

If, alternatively, you are exposed to an exhaust sound that is more of a metallic type, it is possible 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 certain, go under your Renualt Express, cold, and tap each of the previously stated parts with a hammer to define 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Renualt Express, you will either have to find a second hand one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Renualt Express : Silentblock, loose pot

Finally, a metallic exhaust noise on your Renualt Express may be related to a poor attachment of your exhaust to your vehicle. In fact, over the years, 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 replaced.