It is never pleasant to perceive a sound you don’t know about, and which comes from your car. So, what if you find an exhaust noise that persists on your Renault Grand Espace? It is highly possible that this is a minimal issue, however, before being sure, it is better to carry out some inspections. Our team has produced this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Renault Grand Espace and second, if you have a metallic rattling noise on your Renault Grand Espace.
Muffled exhaust noise Renault Grand Espace
Exhaust pipe with holes Renault Grand Espace
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the car engine, which could eventually become dirty, for example. If you have an exhaust noise on your Renault Grand Espace, it is plausible that it is due to a crack in the exhaust pipe, this is the most regular explanation. To be able to verify this, position someone under the running motor automobile and accelerate to help them identify the source of the hole. Once identified, 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 Grand Espace
The other possibility of being subjected to a muffled exhaust noise on Renault Grand Espace 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 after some time and cause an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Renault Grand Espace to establish the issue place, 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, consider looking at this article which gives answers gives solutions about rear end noises on Renault Grand Espace.
Metal rattling exhaust sound Renault Grand Espace
Damaged exhaust muffler noise Renault Grand Espace
If, alternatively, you are subject to an exhaust sound that is more of a metallic sort of, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the induce of this noise. To be certain, go under your Renault Grand Espace, cold, and tap each of the previously stated parts with a hammer to establish 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 Grand Espace, you will either have to find a second hand one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Renault Grand Espace : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Grand Espace may be linked to a poor attachment of your exhaust to your automobile. Indeed, over time, vibrations, the pot fasteners on the automobile 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 behaves. 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 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.
