It is rarely pleasing to hear a sound you don’t know about, and which will arrive from your car. Thus, what if you detect an exhaust noise that persists on your Infiniti QX50? It is highly probable that this is a minimal trouble, however, before being sure, it is better to accomplish 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 Infiniti QX50 and second, if you have a metallic rattling noise on your Infiniti QX50.
Muffled exhaust noise Infiniti QX50
Exhaust pipe with holes Infiniti QX50
Having a muffled sound from its exhaust is not insignificant and can end in 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 Infiniti QX50, it is plausible that it is due to a hole in the exhaust pipe, this is the most classic cause. To be able to validate this, locate someone under the running motor automobile and accelerate to help them locate 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 replaced.
Element dislocated exhaust pipe Infiniti QX50
The other possibility of being the subject of a muffled exhaust noise on Infiniti QX50 is to have a part of the exhaust system that has dislocated resulting from vibrations for example. Indeed some junctions of the different parts of the pot can loosen with time and induce 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 Infiniti QX50 to discover the trouble place, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider taking a look at this article which gives answers gives solutions about rear end noises on Infiniti QX50.
Metal rattling exhaust sound Infiniti QX50
Damaged exhaust muffler noise Infiniti QX50
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be weakened. 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 Infiniti QX50, 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 Infiniti QX50, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Infiniti QX50 : Silentblock, loose pot
Finally, a metallic exhaust noise on your Infiniti QX50 may be in connection with a poor attachment of your exhaust to your automobile. Indeed, over the years, 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 replaced.
