It is rarely pleasing to notice 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 Lexus CT? It is highly possible that this is a minor trouble, however, before being sure, it is better to execute some investigations. Our team has produced this to help you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Lexus CT and second, if you have a metallic rattling noise on your Lexus CT.
Muffled exhaust noise Lexus CT
Exhaust pipe with holes Lexus CT
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could in time become dirty, for example. If you have an exhaust noise on your Lexus CT, it is plausible that it is due to a crack in the exhaust pipe, this is the most regular explanation. In order to confirm this, position someone under the running motor car and accelerate to help them find the origin 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 Lexus CT
The other possibility of being suffering from a muffled exhaust noise on Lexus CT is to have a part of the exhaust system that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen after a while 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 Lexus CT to define the trouble area, and tighten or swap the bolts. If you hear a muffled sound but after examining 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 CT.
Metal rattling exhaust sound Lexus CT
Damaged exhaust muffler noise Lexus CT
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic sort of, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To make sure, go under your Lexus CT, cold, and tap each of the previously stated parts with a hammer to define 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 CT, you will either have to find a second hand one and do it yourself, or go to your technician.
Metal rattling exhaust noise Lexus CT : Silentblock, loose pot
Finally, a metallic exhaust noise on your Lexus CT may be in connection with a poor attachment of your exhaust to your car. In fact, over the years, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to examine, 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 motor, the more fixed it should be. Visually examine 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.
