It is never pleasing to discover a sound you don’t know about, and which results from your car. So, what if you notice an exhaust noise that is persistant on your Cadillac XTS? It is highly probable that this is a minimal trouble, however, before being sure, it is better to execute some checks. Our team has produced this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Cadillac XTS and second, if you have a metallic rattling noise on your Cadillac XTS.
Muffled exhaust noise Cadillac XTS
Exhaust pipe with holes Cadillac XTS
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine unit, which could eventually become dirty, for example. If you have an exhaust noise on your Cadillac XTS, it is possible that it is due to a crack in the exhaust pipe, this is the most classic explanation. To be able to validate this, position a friend or relative under the running motor vehicle and accelerate to help them discover the starting point 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 replaced.
Element dislocated exhaust pipe Cadillac XTS
The other possibility of being suffering from a muffled exhaust noise on Cadillac XTS is to have a part of the exhaust system that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen after some time and cause 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 XTS to discern the trouble location, 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 looking at this document which gives answers gives solutions about rear end noises on Cadillac XTS.
Metal rattling exhaust sound Cadillac XTS
Damaged exhaust muffler noise Cadillac XTS
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be weakened. 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 Cadillac XTS, cold, and tap each of the previously stated parts with a hammer to discern 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Cadillac XTS, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Cadillac XTS : Silentblock, loose pot
Finally, a metallic exhaust noise on your Cadillac XTS may be linked to a poor attachment of your exhaust to your vehicle. In fact, after some 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 reacts. 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 replaced.
