It is never pleasant to notice a sound you don’t know about, and which results from your car. Thus, what if you identify an exhaust noise that remains on your Cadillac CTS? It is highly possible that this is a minimal trouble, however, before being sure, it is better to conduct some inspections. Our team has made this to help you solve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Cadillac CTS and second, if you have a metallic rattling noise on your Cadillac CTS.exhaust-noise-cadillac-cts

Muffled exhaust noise Cadillac CTS

Exhaust pipe with holes Cadillac CTS

Having a muffled sound from its exhaust is not insignificant and can end up 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 Cadillac CTS, it is possible that it is due to a crack in the exhaust pipe, this is the most classic explanation. In order to confirm this, position somebody under the running motor vehicle and accelerate to help them discover the origin of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be changed.

Element dislocated exhaust pipe Cadillac CTS

The other possibility of being confronted with a muffled exhaust noise on Cadillac CTS is to have a part of the exhaust unit that has dislocated as a consequence of vibrations for example. In fact some junctions of the different parts of the pot can loosen along with 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 Cadillac CTS to establish the trouble place, 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 having a look at this content page which gives solutions gives solutions about rear end noises on Cadillac CTS.

Metal rattling exhaust sound Cadillac CTS

Damaged exhaust muffler noise Cadillac CTS

If, alternatively, you are subject to an exhaust sound that is more of a metallic type of, it is possible that one or more parts of your exhaust may be damaged. 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 Cadillac CTS, cold, and tap each of the previously stated parts with a hammer to establish 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 out of date catalyst, it will be necessary to consider replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Cadillac CTS, you will either have to find a resale one and do it yourself, or go to your auto mechanic.

Metal rattling exhaust noise Cadillac CTS : Silentblock, loose pot

Finally, a metallic exhaust noise on your Cadillac CTS may be in connection with 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 examine, when cold, that the pot holds well, to try to get it to move in different directions and watch how it behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, 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 changed.