It is rarely pleasant to find out a sound you don’t know about, and which will arrive from your car. Thus, what if you notice an exhaust noise that persists on your Volkswagen Polo? It is highly probable that this is a minor problem, however, before being sure, it is better to carry out some checks. Our team has made this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Volkswagen Polo and second, if you have a metallic rattling noise on your Volkswagen Polo.
Muffled exhaust noise Volkswagen Polo
Exhaust pipe with holes Volkswagen Polo
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 after a while become dirty, for example. If you have an exhaust noise on your Volkswagen Polo, it is possible that it is due to a crack in the exhaust pipe, this is the most classic cause. To be able to confirm this, locate a friend or relative under the running motor automobile and accelerate to help them identify the origin of the hole. Once found, 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 Volkswagen Polo
The other possibility of being the subject of a muffled exhaust noise on Volkswagen Polo is to have a part of the exhaust device that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and generate an exhaust gas leak in places not intended for this purpose. These fumes will then generate a loud noise. Same technique as above, we go under the Volkswagen Polo to establish the problem area, and tighten or replace the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, think about having a look at this content page which gives answers gives solutions about rear end noises on Volkswagen Polo.
Metal rattling exhaust sound Volkswagen Polo
Damaged exhaust muffler noise Volkswagen Polo
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 weakened. 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 Volkswagen Polo, cold, and tap each of the previously stated parts with a hammer to establish 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 out of date catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Volkswagen Polo, you will either have to find a resale one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Volkswagen Polo : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Polo may be related to a poor attachment of your exhaust to your automobile. In fact, after some time, vibrations, the pot fasteners on the automobile 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 unit, 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.
