Do you listen to a metallic noise on your Audi S4 once you drive? We understand that this is not pleasurable and that you have questions. Finding out such a noise is not always a good sign, but it may also be nothing major. To support you solve this issue, we have decided to create this article to assist you in this investigation. In order to execute this research as accurately as possible, we will first check out the possible origins of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise Audi S4 coming from the front end of the automobile
I listen a metal rattling noise coming from wheels
- Metallic noise based on your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the most likely causes of metal noise symptoms on your Audi S4, may be that one of your bearing is tired, it will tend to generate a loud noise that increases when stressed (turns faster and faster). So think about to examine by taking speed (neutral gear and window open to be aware only to noise of the wheels) that the noise is well based 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, browse this guide on loud noise on Audi S4, you will most likely find a remedy to your issue.
If you encounter a metalic noise on Audi S4 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 trigger. Indeed, a disc or a set of dead plates will make a strong metallic rubbing 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 removing 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 explications about it, read 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 a metallic noise on your Audi S4, 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 advise that you browse this article for a complete guide about steering noises on Audi S4.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A little 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 Audi S4. Once screwed up, they will no longer accomplish their task as shock absorbers and, with each impact, or violent acceleration, a noise will arise. Therefore, please remember to examine their status and change them if required. Feel free to consult this article which is a complete file about strut mounts noises on Audi S4, how to examine their condition and swap them.
Finally, the last basic trigger of metallic noise on Audi S4. It’s because your transmission system is the origin. It is conceivable, 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 create a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we advise that you look at this detailed guide on the origins of steering noises on Audi S4.
Metallic noise Audi S4 coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you hear 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 trigger of this sound. To be certain, go under the automobile, cold, and knock each of the previously stated elements with a hammer to locate the origin 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 reflect on replacing it, as well as the silencer. In this case, to stop the metallic noise on your Audi S4, 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 Audi S4. Go a little further up in the article 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.
