Do you experience a metallic noise on your Alfa Romeo 156 when you drive? We can understand that this is not relaxing and that you have questions. Hearing such a noise is not always a good sign, but it may also be nothing serious. To support you solve this issue, our redaction decided to compose this article to help you in this research. In order to perform this research as effectively as possible, we will first take a look at the possible sources of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise Alfa Romeo 156 coming from the front end of the automobile
I listen to a metal rattling noise coming from wheels
- Metallic noise coming from your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible triggers of metal noise symptoms on your Alfa Romeo 156, may be that one of your bearing is tired, it will commonly make a loud noise that increase when stressed (turns faster and faster). So think about to examine by taking speed (neutral gear and window open to listen only to noise of the wheels) that the noise is well established here, if this is the case change it or them promptly. If, on the other hand, this noise only manifests itself with an engaged speed, examine this report on loud noise on Alfa Romeo 156, you will most likely find a solution to your issue.
If you hear a metalic noise on Alfa Romeo 156 and you have the feeling that it comes from your front wheels, it is highly possible that it is your pads or discs that are the reason. Indeed, a disc or a set of dead plates will generate a strong metallic friction noise that you will inevitably feel. To examine this, put your automobile on safety stand, and examine the condition of your discs and pads by taking out the wheel. If they are involved, change them promptly , otherwise you will no longer be able to brake. If you feel a metallic noise from your automobile, and you want informations about it, browse this guide for more info about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you listen to a metallic noise on your Alfa Romeo 156, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will trigger a metallic snap when they hit or change direction. To examine this, position yourself under your automobile, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be swapped. If this is your case, we encourage that you read this article for a complete guide about steering noises on Alfa Romeo 156.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A bit like worn stabilizer bar, if your engine silent blocks are weakened, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Alfa Romeo 156. Once screwed up, they will no longer fulfill their task as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, please remember to examine their status and change them if necessary. Feel free to browse this article which is a complete file about strut mounts noises on Alfa Romeo 156, how to examine their condition and change them.
Finally, the last typical reason of metallic noise on Alfa Romeo 156. It’s because your transmission system is the source. It is plausible, either because of improper use of the gearbox or because of excessive wear, that some gears in your gearbox have broken and are wandering around in it. They will then develop a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we encourage that you read this detailed guide on the sources of steering noises on Alfa Romeo 156.
Metallic noise Alfa Romeo 156 coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you are subject to an exhaust noise that is more of a metallic type, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either the catalyst or the silencer may be the reason of this sound. To be certain, go under the automobile, cold, and knock each of the previously stated elements with a hammer to discern the source of the noise. You should notice things moving in the problematic part, if it’s the exhaust baffles, you can try to hammer in the section a little to try to block them and limit their movements. If it is a dead catalyst, it will be necessary to consider replacing it, as well as the silencer. In cases like this, to stop the metallic noise on your Alfa Romeo 156, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Noise from wheels
- Bearings
- Brake pads or discs
As for the bearings of your automobile, it is possible that with wear they are at the origin of your metallic noises on your Alfa Romeo 156. Go a little further up in the content where you will find details of the solution already exposed for the front part of the automobile.
Finally, if the noise originates from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
