It is never pleasing to hear a sound you don’t know about, and which will arrive from your car. So, what if you find an exhaust noise that continues on your Buick Lucerne? It is highly probable that this is a small trouble, however, before being sure, it is better to execute some inspections. 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 Buick Lucerne and second, if you have a metallic rattling noise on your Buick Lucerne.
Muffled exhaust noise Buick Lucerne
Exhaust pipe with holes Buick Lucerne
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine, which could eventually become dirty, for example. If you have an exhaust noise on your Buick Lucerne, it is plausible that it is due to a crack in the exhaust pipe, this is the most typical cause. In order to verify this, position a friend or relative under the running motor vehicle and accelerate to help them determine 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 changed.
Element dislocated exhaust pipe Buick Lucerne
The other possibility of being the subject of a muffled exhaust noise on Buick Lucerne is to have a part of the exhaust device that has dislocated due to vibrations for example. Indeed some junctions of the different parts of the pot can loosen over time 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 Buick Lucerne to determine the trouble region, and tighten or replace the bolts. If you hear a muffled sound but after verifying 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 Buick Lucerne.
Metal rattling exhaust sound Buick Lucerne
Damaged exhaust muffler noise Buick Lucerne
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic type, it is plausible 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 Buick Lucerne, cold, and tap each of the previously stated parts with a hammer to determine 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 Buick Lucerne, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Buick Lucerne : Silentblock, loose pot
Finally, a metallic exhaust noise on your Buick Lucerne may be related to a poor attachment of your exhaust to your vehicle. Indeed, as time passes, vibrations, the pot fasteners on the vehicle 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 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 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 changed.
