It is never pleasing to perceive a sound you don’t know about, and which will arrive from your car. Thus, what if you discover an exhaust noise that is persistant on your Renault Scenic 2? It is highly probable that this is a minimal problem, however, before being sure, it is better to operate some investigations. Our team has made this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Renault Scenic 2 and second, if you have a metallic rattling noise on your Renault Scenic 2.
Muffled exhaust noise Renault Scenic 2
Exhaust pipe with holes Renault Scenic 2
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the car engine, which could after a while become dirty, for example. If you have an exhaust noise on your Renault Scenic 2, it is plausible that it is due to a hole in the exhaust pipe, this is the most classic explanation. In order to verify this, situate a friend or relative under the running motor vehicle and accelerate to help them find the origin 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 swapped.
Element dislocated exhaust pipe Renault Scenic 2
The other possibility of being subjected to a muffled exhaust noise on Renault Scenic 2 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 over 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 Scenic 2 to establish the problem area, and tighten or change the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, think about taking a look at this article which gives solutions gives solutions about rear end noises on Renault Scenic 2.
Metal rattling exhaust sound Renault Scenic 2
Damaged exhaust muffler noise Renault Scenic 2
If, on the other hand, 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 injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your Renault Scenic 2, cold, and tap each of the previously stated parts with a hammer to establish 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 out of date 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 Scenic 2, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Renault Scenic 2 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Scenic 2 may be in connection with 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 swapped.
