It is never pleasant to hear a sound you don’t know about, and which results from your car. So, what if you identify an exhaust noise that is persistant on your Volkswagen CC? It is highly probable that this is a minor trouble, however, before being sure, it is better to carry out some checks. Our team has created this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Volkswagen CC and second, if you have a metallic rattling noise on your Volkswagen CC.
Muffled exhaust noise Volkswagen CC
Exhaust pipe with holes Volkswagen CC
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 in the end become dirty, for example. If you have an exhaust noise on your Volkswagen CC, it is possible that it is due to a hole in the exhaust pipe, this is the most usual reason. In order to validate this, position a friend or relative under the running motor automobile and accelerate to help them locate 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 CC
The other possibility of being confronted with a muffled exhaust noise on Volkswagen CC is to have a part of the exhaust device that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen after a while 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 Volkswagen CC to discover the trouble place, and tighten or replace the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, think about taking a look at this content which gives answers gives solutions about rear end noises on Volkswagen CC.
Metal rattling exhaust sound Volkswagen CC
Damaged exhaust muffler noise Volkswagen CC
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type of, it is possible that one or more parts of your exhaust may be destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Volkswagen CC, cold, and tap each of the previously stated parts with a hammer to discover 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 dead 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 CC, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Volkswagen CC : Silentblock, loose pot
Finally, a metallic exhaust noise on your Volkswagen CC may be related to a poor attachment of your exhaust to your automobile. Indeed, over time, vibrations, the pot fasteners on the automobile 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.
