It is rarely pleasant to hear a sound you don’t know about, and which originates from your car. Thus, what if you detect an exhaust noise that is persistant on your Audi Rs4? It is highly probable that this is a minimal issue, however, before being sure, it is better to conduct some checks. 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 Audi Rs4 and second, if you have a metallic rattling noise on your Audi Rs4.
Muffled exhaust noise Audi Rs4
Exhaust pipe with holes Audi Rs4
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 in time become dirty, for example. If you have an exhaust noise on your Audi Rs4, it is plausible that it is due to a crack in the exhaust pipe, this is the most common reason. In order to validate this, position a friend or relative under the running motor vehicle and accelerate to help them recognize the starting point of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.
Element dislocated exhaust pipe Audi Rs4
The other possibility of being the subject of a muffled exhaust noise on Audi Rs4 is to have a part of the exhaust device that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen along with time and generate 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 Audi Rs4 to determine the issue area, 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 content page which gives solutions gives solutions about rear end noises on Audi Rs4.
Metal rattling exhaust sound Audi Rs4
Damaged exhaust muffler noise Audi Rs4
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is plausible that one or more parts of your exhaust may be injured. 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 Audi Rs4, cold, and tap each of the previously stated parts with a hammer to determine 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 Audi Rs4, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Audi Rs4 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Audi Rs4 may be related to a poor attachment of your exhaust to your vehicle. In fact, over the years, 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 reacts. 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 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 swapped.
