It is rarely pleasing to find out a sound you don’t know about, and which will arrive from your car. So, what if you identify an exhaust noise that is persistant on your Audi Q3? It is highly probable that this is a small problem, however, before being sure, it is better to operate some inspections. Our team has produced this to help you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Audi Q3 and second, if you have a metallic rattling noise on your Audi Q3.
Muffled exhaust noise Audi Q3
Exhaust pipe with holes Audi Q3
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 finally become dirty, for example. If you have an exhaust noise on your Audi Q3, it is possible that it is due to a crack in the exhaust pipe, this is the most regular explanation. In order to confirm this, situate someone under the running motor car and accelerate to help them identify the source 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 replaced.
Element dislocated exhaust pipe Audi Q3
The other possibility of being suffering from a muffled exhaust noise on Audi Q3 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 after some time and cause 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 Audi Q3 to discover the problem region, 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 answers gives solutions about rear end noises on Audi Q3.
Metal rattling exhaust sound Audi Q3
Damaged exhaust muffler noise Audi Q3
If, on the other hand, you are subject to an exhaust sound that is more of a metallic sort of, it is possible 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 cause of this noise. To be certain, go under your Audi Q3, cold, and tap each of the previously stated parts with a hammer to discover 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your Audi Q3, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Audi Q3 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Audi Q3 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 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 unit, 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 replaced.
