What could be more frustrating than listening a persistent noise when driving your vehicle, whether it’s because you want to listen to your favorite radio or chat with your passengers, listening an air noise on Citroen C4 Picasso is always irritating. It is with this in mind that we wanted to write this article. Indeed, our team wanted to give you the keys to remedy this recurring problem that can become frustrating in the long run. First we will have a look at the air noise on Citroen C4 Picasso coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Citroen C4 Picasso that is coming from doors.
I hear an air noise in the cabin
if you know of an air noise on your Citroen C4 Picasso and it is situated in your cabin, it may be relating to a fan that has shifted or is starting to dry . Whatever the case, you will have to look at the fan in question to visually examine its state. The easiest technique is to open the ventilation circuit, and rotate the circuit while you are watching its proper operation, you can try to grease it to limit this noise, but it is very likely that the final answer is to change it.
If you haven’t found the answers to your questions in this section but your air noise on Citroen C4 Picasso comes from your cabin, read both articles, firstly cabin noises on Citroen C4 Picasso and heater fan noises on Citroen C4 Picasso can surely support you find the trigger.
I hear an air noise when I accelerate with my Citroen C4 Picasso
Air noise Citroen C4 Picasso linked to an air intake hose
The first of the two possibilities that can generate an air noise on Citroen C4 Picasso at the time of acceleration and the less severe. Is that you have one of your air intake hoses that has been punctured or cracked. This failure will contribute to a large and unexpected air intake . This will show itself in a loud air noise at acceleration when the air intake is running at full throttle. So examine 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 Citroen C4 Picasso.
Air noise Citroen C4 Picasso linked to your turbo
One of the other possible origins of your air noise on Citroen C4 Picasso 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 experience a power loss that would indicate the failure of your turbo. It is also plausible that a lack of lubrication is the trigger of this noise. Have it checked, and change it if necessary, if you don’t want to get your engine dirty. If your air noise on Citroen C4 Picasso manifests itself well when you accelerate at any speed, but you want more information about it or you still haven’t found the trigger, check out both pages about turbo noises on Citroen C4 Picasso and noise when accelerating on Citroen C4 Picasso for more information.
I hear an air noise on Citroen C4 Picasso at the doors
Air noise Citroen C4 Picasso linked to plastic door covers
If you experience air noise on the doors of your Citroen C4 Picasso, it is plausible that it is related to some plastic covers on the inside walls of your door. These can come loose, hole, fall and thus generate an air intake that will obviously generate a distinctive and unpleasant air noise in the cabin. To ensure that you don’t have this problem on your Citroen C4 Picasso, open your doors and check the sides of them carefully, see if all the covers are properly placed.
Air noise Citroen C4 Picasso linked to door seals
Air noise at the doors of your Citroen C4 Picasso can also be related to a gasketfailing or overused. Indeed, the door seal, in addition to have a protective role 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 generate a perfect seal between the door and the car body. To examine its state, there are two methods, first, visually examine the condition 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 technician to have your seal changed and the air noises on your Citroen C4 Picasso eliminated. If your air noise on Citroen C4 Picasso is not fixed despite reading this part, that it is present at your doors, we encourage you to browse this full guide on door noises on Citroen C4 Picasso which should allow you to find the solution to your problem.
