It is never pleasant to hear a sound you don’t know about, and which will arrive from your car. Thus, what if you discover an exhaust noise that continues on your Renault Laguna 2? It is highly possible that this is a small problem, however, before being sure, it is better to carry out some investigations. Our team has produced this to help you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Renault Laguna 2 and second, if you have a metallic rattling noise on your Renault Laguna 2.
Muffled exhaust noise Renault Laguna 2
Exhaust pipe with holes Renault Laguna 2
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 in time become dirty, for example. If you have an exhaust noise on your Renault Laguna 2, it is possible that it is due to a crack in the exhaust pipe, this is the most typical cause. In order to verify this, locate somebody under the running motor vehicle and accelerate to help them recognize the origin of the hole. Once determined, 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 Laguna 2
The other possibility of being suffering from a muffled exhaust noise on Renault Laguna 2 is to have a part of the exhaust device that has dislocated as a consequence of vibrations for example. Indeed some junctions of the different parts of the pot can loosen with time and induce 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 Laguna 2 to define the problem area, and tighten or swap the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, think about looking at this article which gives solutions gives solutions about rear end noises on Renault Laguna 2.
Metal rattling exhaust sound Renault Laguna 2
Damaged exhaust muffler noise Renault Laguna 2
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 damaged. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Renault Laguna 2, 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 out of date 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 Laguna 2, you will either have to find a resale one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Renault Laguna 2 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Laguna 2 may be related to a poor attachment of your exhaust to your vehicle. Indeed, after some time, vibrations, the pot fasteners on the vehicle chassis can come off. In this case, you need to check, 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 check 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.
