It is rarely pleasing to notice a sound you don’t know about, and which originates from your car. So, what if you identify an exhaust noise that continues on your Chevrolet Malibu? It is highly possible that this is a minimal problem, however, before being sure, it is better to conduct some checks. Our team has written this to support you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Chevrolet Malibu and second, if you have a metallic rattling noise on your Chevrolet Malibu.
Muffled exhaust noise Chevrolet Malibu
Exhaust pipe with holes Chevrolet Malibu
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 in time become dirty, for example. If you have an exhaust noise on your Chevrolet Malibu, it is possible that it is due to a hole in the exhaust pipe, this is the most usual explanation. In order to confirm this, position someone under the running motor vehicle and accelerate to help them recognize 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 Chevrolet Malibu
The other possibility of being the subject of a muffled exhaust noise on Chevrolet Malibu 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 after a while and induce 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 Chevrolet Malibu to establish the problem region, and tighten or change the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, consider looking at this document which gives answers gives solutions about rear end noises on Chevrolet Malibu.
Metal rattling exhaust sound Chevrolet Malibu
Damaged exhaust muffler noise Chevrolet Malibu
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 destroyed. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To be certain, go under your Chevrolet Malibu, cold, and tap each of the previously stated parts with a hammer to establish 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 changing it, as well as the silencer. In this case, to stop the exhaust noise on your Chevrolet Malibu, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Chevrolet Malibu : Silentblock, loose pot
Finally, a metallic exhaust noise on your Chevrolet Malibu may be linked to a poor attachment of your exhaust to your vehicle. In fact, over the years, 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.
