What could possibly be more annoying than hearing a persistent noise when driving your vehicle, whether it’s because you want to hear your favorite radio or chat with your passengers, hearing an air noise on Audi A4 is always annoying. It is with this in mind that we desired to write this article. Indeed, our team wanted to give you the keys to solve this recurring problem that can become annoying over time. First we will look into the air noise on Audi A4 coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Audi A4 that is coming from doors.
I listen to an air noise in the cabin
if you recognise of an air noise on your Audi A4 and it is situated in your cabin, it may be relating to a fan that has shifted or is starting to dry . In any case, you will need to look at the fan in question to visually check its state. The easiest technique is to open the ventilation circuit, and rotate the circuit while you are watching its proper performance, you can try to grease it to limit this noise, but it is very likely that the final solution is to replace it.
If you haven’t found the answers to your questions in this section but your air noise on Audi A4 comes from your cabin, read both articles, firstly cabin noises on Audi A4 and heater fan noises on Audi A4 can surely help you find the reason.
I listen to an air noise when I accelerate with my Audi A4
Air noise Audi A4 brought on by an air intake hose
The first of the two possibilities that can generate an air noise on Audi A4 when accelerating and the less severe. Is that you have one of your air intake hoses that has been punctured or cracked. This failure will lead to a large and unexpected air intake . This will express itself in a loud air noise at acceleration when the air intake is running at full throttle. So check the state of all your hoses, don’t hesitate to ask someone to accelerate while you look at the engine block to help you discern the area of origin of air noise on Audi A4.
Air noise Audi A4 caused by your turbo
One of the other possible origins of your air noise on Audi A4 is your turbo. Indeed, a weakened turbo will release a sound close to an air or breath noise when it is switched on. It will be used during your acceleration phases. You may also encounter a power loss that would point out the failure of your turbo. It is also possible that a lack of lubrication is the reason of this noise. Have it examined, and replace it if necessary, if you don’t want to get your engine dirty. If your air noise on Audi A4 manifests itself well when you accelerate at any speed, but you want more details about it or you still haven’t found the reason, read both articles about turbo noises on Audi A4 and noise when accelerating on Audi A4 for more details.
I listen to an air noise on Audi A4 at the doors
Air noise Audi A4 caused by plastic door covers
If you experience air noise on the doors of your Audi A4, it is plausible that it is related to some plastic covers on the interior side panels of your door. These can come loose, hole, fall and thus create an air intake that will obviously create a significant and disagreeable air noise in the cabin. To confirm that you don’t have this problem on your Audi A4, open your doors and examine the sides of them carefully, see if all the covers are properly installed.
Air noise Audi A4 caused by door seals
Air noise at the doors of your Audi A4 can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a protecting purpose against moisture infiltration, also has a protective purpose for air inlets in the passenger compartment. When it is worn, it will not settle and therefore no longer give a perfect seal between the door and the car body. To check its state, there are two techniques, first, visually check the state of the seal and for the second test, install someone inside the passenger compartment and door by door, car closed, sprayed with water the seals to see if water penetrates. If you are in this case, go to your technician to have your seal exchanged and the air noises on your Audi A4 removed. If your air noise on Audi A4 is not resolved despite reading this part, that it is present at your doors, we recommend you to have a look at this full article on door noises on Audi A4 which should allow you to find the solution to your problem.