It is never pleasant to find out a sound you don’t know about, and which comes from your car. Thus, what if you notice an exhaust noise that is persistant on your Lexus NX? It is highly probable that this is a minor trouble, however, before being sure, it is better to accomplish some checks. Our team has written this to help you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Lexus NX and second, if you have a metallic rattling noise on your Lexus NX.
Muffled exhaust noise Lexus NX
Exhaust pipe with holes Lexus NX
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could after a while become dirty, for example. If you have an exhaust noise on your Lexus NX, it is possible that it is due to a hole in the exhaust pipe, this is the most usual reason. To be able to confirm this, situate a friend or relative under the running motor vehicle and accelerate to help them identify the starting point 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 NX
The other possibility of being confronted with a muffled exhaust noise on Lexus NX is to have a part of the exhaust device that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and induce 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 NX to define the trouble area, 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, think about taking a look at this content page which gives answers gives solutions about rear end noises on Lexus NX.
Metal rattling exhaust sound Lexus NX
Damaged exhaust muffler noise Lexus NX
If, on the other hand, 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 injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To be certain, go under your Lexus NX, cold, and tap each of the previously stated parts with a hammer to define 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Lexus NX, you will either have to find a second hand one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Lexus NX : Silentblock, loose pot
Finally, a metallic exhaust noise on your Lexus NX may be linked to a poor attachment of your exhaust to your vehicle. In fact, over time, vibrations, the pot fasteners on the vehicle 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, 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.
