What can be more irritating than listening a consistent noise when driving your automobile, whether it’s because you want to listen your favorite radio or chat with your passengers, listening an air noise on smart fortwo is always annoying. It is with this in mind that we decided to write this article. In fact, our team wanted to give you the keys to remedy this persistent issue that can become irritating over time. First we will have a look at the air noise on smart fortwo based on the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on smart fortwo that is coming from doors.air-noisesmart-fortwo

I perceive an air noise in the cabin


if you recognise of an air noise on your smart fortwo and it is based in your cabin, it may be related to a fan that has shifted or is starting to dry . No matter the reason, you will have to examine the fan in question to visually check its state. The easiest approach 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 answer is to swap it.
If you haven’t found the answers to your questions in this section but your air noise on smart fortwo comes from your cabin, read both articles, firstly cabin noises on smart fortwo and heater fan noises on smart fortwo can surely support you find the cause.

I perceive an air noise when I accelerate with my smart fortwo

Air noise smart fortwo brought on by an air intake hose

The first of the two alternatives that can develop an air noise on smart fortwo 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 manifest 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 support you identify the area of origin of air noise on smart fortwo.

Air noise smart fortwo linked to your turbo

One of the other possible origins of your air noise on smart fortwo is your turbo. In fact, a damaged 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 reveal the failure of your turbo. It is also possible that a lack of lubrication is the cause of this noise. Have it examined, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on smart fortwo manifests itself well when you accelerate at any speed, but you want more details about it or you still haven’t found the cause, read both pages about turbo noises on smart fortwo and noise when accelerating on smart fortwo for more details.

I perceive an air noise on smart fortwo at the doors

Air noise smart fortwo linked to plastic door covers

If you experience air noise on the doors of your smart fortwo, it is possible that it is connected to some plastic covers on the interior sides of your door. These can come loose, hole, fall and thus develop an air intake that will obviously make a serious and unpleasant air noise in the cabin. To verify that you don’t have this issue on your smart fortwo, open your doors and check the sides of them carefully, see if all the covers are properly placed.

Air noise smart fortwo linked to door seals

Air noise at the doors of your smart fortwo can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a preventive 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 create a perfect seal between the door and the car body. To check its state, there are two methods, 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 enters. If you are in this case, go to your auto mechanic to have your seal swapped and the air noises on your smart fortwo eliminated. If your air noise on smart fortwo is not resolved despite reading this part, that it is present at your doors, we suggest you to read this complete article on door noises on smart fortwo which should allow you to find the solution to your issue.