It is rarely pleasant to notice a sound you don’t know about, and which will arrive from your car. So, what if you detect an exhaust noise that remains on your Renault Master 3? It is highly probable that this is a minor problem, however, before being sure, it is better to operate some inspections. Our team has created this to support you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Renault Master 3 and second, if you have a metallic rattling noise on your Renault Master 3.exhaust-noise-renault-master-3

Muffled exhaust noise Renault Master 3

Exhaust pipe with holes Renault Master 3

Having a muffled sound from its exhaust is not insignificant and can cause 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 Master 3, it is plausible that it is due to a crack in the exhaust pipe, this is the most usual cause. To be able to confirm this, locate a friend or relative under the running motor car and accelerate to help them recognize 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 Master 3

The other possibility of being the subject of a muffled exhaust noise on Renault Master 3 is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time and cause 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 Master 3 to discern 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 having a look at this document which gives solutions gives solutions about rear end noises on Renault Master 3.

Metal rattling exhaust sound Renault Master 3

Damaged exhaust muffler noise Renault Master 3

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 broken. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the induce of this noise. To make sure, go under your Renault Master 3, cold, and tap each of the previously stated parts with a hammer to discern 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 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 Renault Master 3, 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 Master 3 : Silentblock, loose pot

Finally, a metallic exhaust noise on your Renault Master 3 may be linked to a poor attachment of your exhaust to your car. Indeed, over the years, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to examine, 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 examine 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.