It is never pleasing to find out a sound you don’t know about, and which originates from your car. So, what if you detect an exhaust noise that remains on your Citroen C4 Cactus? It is highly possible that this is a small problem, however, before being sure, it is better to operate some checks. 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 Citroen C4 Cactus and second, if you have a metallic rattling noise on your Citroen C4 Cactus.exhaust-noise-citroen-c4-cactus

Muffled exhaust noise Citroen C4 Cactus

Exhaust pipe with holes Citroen C4 Cactus

Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could in the end become dirty, for example. If you have an exhaust noise on your Citroen C4 Cactus, it is plausible that it is due to a hole in the exhaust pipe, this is the most classic reason. To be able to validate this, locate someone 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 swapped.

Element dislocated exhaust pipe Citroen C4 Cactus

The other possibility of being subjected to a muffled exhaust noise on Citroen C4 Cactus is to have a part of the exhaust unit that has dislocated due to 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 produce a loud noise. Same technique as above, we go under the Citroen C4 Cactus to determine the problem place, 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, consider looking at this content which gives solutions gives solutions about rear end noises on Citroen C4 Cactus.

Metal rattling exhaust sound Citroen C4 Cactus

Damaged exhaust muffler noise Citroen C4 Cactus

If, alternatively, 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 damaged. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Citroen C4 Cactus, cold, and tap each of the previously stated parts with a hammer to determine 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Citroen C4 Cactus, you will either have to find a resale one and do it yourself, or go to your auto mechanic.

Metal rattling exhaust noise Citroen C4 Cactus : Silentblock, loose pot

Finally, a metallic exhaust noise on your Citroen C4 Cactus may be related to a poor attachment of your exhaust to your automobile. In fact, as time passes, vibrations, the pot fasteners on the automobile 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 responds. 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 swapped.