It is never pleasant to hear a sound you don’t know about, and which comes from your car. So, what if you detect an exhaust noise that remains on your Volkswagen Polo 3? It is highly possible that this is a minor issue, however, before being sure, it is better to accomplish some inspections. Our team has made this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Volkswagen Polo 3 and second, if you have a metallic rattling noise on your Volkswagen Polo 3.
Muffled exhaust noise Volkswagen Polo 3
Exhaust pipe with holes Volkswagen Polo 3
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Volkswagen Polo 3, it is possible that it is due to a hole in the exhaust pipe, this is the most common cause. To be able to verify this, locate someone under the running motor vehicle 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 changed.
Element dislocated exhaust pipe Volkswagen Polo 3
The other possibility of being the subject of a muffled exhaust noise on Volkswagen Polo 3 is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen with time and cause an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Volkswagen Polo 3 to establish the issue region, 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, consider looking at this content which gives solutions gives solutions about rear end noises on Volkswagen Polo 3.
Metal rattling exhaust sound Volkswagen Polo 3
Damaged exhaust muffler noise Volkswagen Polo 3
If, on the other hand, you are exposed 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 broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Volkswagen Polo 3, 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 out of date catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Volkswagen Polo 3, you will either have to find a second hand one and do it yourself, or go to your technician.
Metal rattling exhaust noise Volkswagen Polo 3 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen Polo 3 may be linked 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 verify, 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 verify 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.
