Do you listen a metallic noise on your Audi A4 when ever you drive? We can understand that this is not relaxing and that you have questions. Experiencing such a noise is not always a good signal, but it may also be nothing severe. To support you resolve this trouble, our team has decided to write this article content to assist you in this investigation. In order to execute this research as accurately as possible, we will first have a look at the plausible 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-a4

Metal noise Audi A4 coming from the front end of the automobile

I hear a metal rattling noise coming from wheels

  • Metallic noise coming from your bearing
  • One of the possible triggers of metal noise manifestations on your Audi A4, may be that one of your bearing is tired, it will frequently produce a loud noise that increases when stressed (turns faster and faster). So remember 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 replace it or them promptly. If, on the other hand, this noise only manifests itself with an engaged speed, read this article on loud noise on Audi A4, you will most likely find a solution to your trouble.

  • Metalic noise coming from brake
  • If you notice a metalic noise on Audi A4 and you have the feeling that it comes from your front wheels, it is highly plausible that it is your pads or discs that are the reason. In fact, a disc or a set of dead plates will make 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 removing the wheel. If they are involved, replace them as soon as possible , otherwise you will no longer be able to brake. If you experience a metallic noise from your automobile, and you want infos about it, examine this article for more info about brake noises on xxx.

  • Stabilizer bar worn
  • If it is rather when you are turning, passing over a bump or sidewalk that you hear a metallic noise on your Audi A4, 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 consult this article content for a complete guide about steering noises on Audi A4.

Other sources


  • Engine silentblock
  • A little like worn stabilizer bar, if your engine silent blocks are damaged, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Audi A4. 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, take into account to examine their status and replace them if necessary. Feel free to consult this article content which is a complete file about strut mounts noises on Audi A4, how to examine their condition and replace them.

  • Dead gearbox, or broken pinion
  • Finally, the last basic reason of metallic noise on Audi A4. 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 make a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we advise that you read this detailed guide on the origins of steering noises on Audi A4.

Metallic noise Audi A4 coming from the rear end of the vehicle

Exhaust pipe

If, on the other hand, you feel an exhaust noise that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. In fact, it is plausible that either the catalyst or the silencer may be the reason of this sound. To be sure, go under the automobile, cold, and knock each of the previously stated units with a hammer to find the origin of the noise. You should acknowledge 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 swapping it, as well as the silencer. In this case, to eliminate the metallic noise on your Audi A4, you will either have to find a second hand one and do it yourself, or go to your mechanic.

Noise from wheels

  • Bearings
  • As for the bearings of your automobile, it is plausible that with wear they are at the origin of your metallic noises on your Audi A4. Go a little further up in the content page where you will find information of the solution already exposed for the front part of the automobile.

  • Brake pads or discs
  • 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.