It is never pleasant to find out a sound you don’t know about, and which will arrive from your car. Thus, what if you detect an exhaust noise that is persistant on your Mini Cooper? It is highly possible that this is a small issue, however, before being sure, it is better to execute some verifications. Our team has made this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mini Cooper and second, if you have a metallic rattling noise on your Mini Cooper.
Muffled exhaust noise Mini Cooper
Exhaust pipe with holes Mini Cooper
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine, which could in time become dirty, for example. If you have an exhaust noise on your Mini Cooper, it is possible that it is due to a hole in the exhaust pipe, this is the most classic reason. In order to confirm this, locate somebody under the running motor vehicle and accelerate to help them locate the origin of the hole. Once discovered, 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 Mini Cooper
The other possibility of being subjected to a muffled exhaust noise on Mini Cooper is to have a part of the exhaust device that has dislocated resulting from 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 purpose. These fumes will then create a loud noise. Same technique as above, we go under the Mini Cooper to establish the issue place, and tighten or change 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 article which gives solutions gives solutions about rear end noises on Mini Cooper.
Metal rattling exhaust sound Mini Cooper
Damaged exhaust muffler noise Mini Cooper
If, on the other hand, 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 broken. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To be sure, go under your Mini Cooper, 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 dead catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Mini Cooper, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Mini Cooper : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mini Cooper may be linked to a poor attachment of your exhaust to your vehicle. Indeed, over time, vibrations, the pot fasteners on the vehicle 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 behaves. 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 replaced.
