It is rarely pleasing to listen to a sound you don’t know about, and which originates from your car. So, what if you discover an exhaust noise that is persistant on your Lexus UX? It is highly possible that this is a minimal problem, however, before being sure, it is better to operate some inspections. 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 Lexus UX and second, if you have a metallic rattling noise on your Lexus UX.exhaust-noise-lexus-ux

Muffled exhaust noise Lexus UX

Exhaust pipe with holes Lexus UX

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine, which could eventually become dirty, for example. If you have an exhaust noise on your Lexus UX, it is possible that it is due to a crack in the exhaust pipe, this is the most usual cause. In order to verify this, locate someone under the running motor automobile and accelerate to help them identify the origin of the hole. Once discovered, 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 Lexus UX

The other possibility of being the subject of a muffled exhaust noise on Lexus UX is to have a part of the exhaust unit that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen after some time and generate an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Lexus UX to discern the problem location, 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 taking a look at this content page which gives solutions gives solutions about rear end noises on Lexus UX.

Metal rattling exhaust sound Lexus UX

Damaged exhaust muffler noise Lexus UX

If, alternatively, 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 damaged. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To make sure, go under your Lexus UX, cold, and tap each of the previously stated parts with a hammer to discern 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 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 Lexus UX, you will either have to find a second hand one and do it yourself, or go to your mechanic.

Metal rattling exhaust noise Lexus UX : Silentblock, loose pot

Finally, a metallic exhaust noise on your Lexus UX 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 reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, 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 swapped.