It is never pleasing to hear a sound you don’t know about, and which originates from your car. Thus, what if you identify an exhaust noise that persists on your seat leon? It is highly probable that this is a small trouble, however, before being sure, it is better to carry out some inspections. Our team has created this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your seat leon and second, if you have a metallic rattling noise on your seat leon.exhaust-noise-seat-leon

Muffled exhaust noise seat leon

Exhaust pipe with holes seat leon

Having a muffled sound from its exhaust is not insignificant and can cause 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 seat leon, it is plausible that it is due to a hole in the exhaust pipe, this is the most common reason. In order to validate this, situate someone under the running motor car and accelerate to help them identify the starting point 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 swapped.

Element dislocated exhaust pipe seat leon

The other possibility of being suffering from a muffled exhaust noise on seat leon 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 over 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 seat leon to discern the trouble 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 having a look at this content page which gives answers gives solutions about rear end noises on seat leon.

Metal rattling exhaust sound seat leon

Damaged exhaust muffler noise seat leon

If, alternatively, you are subject 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 conceivable that either your baffles, the catalyst or the silencer are the reason of this noise. To make sure, go under your seat leon, cold, and tap each of the previously stated parts with a hammer to discern 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your seat leon, you will either have to find a resale one and do it yourself, or go to your technician.

Metal rattling exhaust noise seat leon : Silentblock, loose pot

Finally, a metallic exhaust noise on your seat leon may be connected to a poor attachment of your exhaust to your car. In fact, over time, vibrations, the pot fasteners on the car 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 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 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.