What could possibly be more irritating than listening a constant noise when driving your automobile, whether it’s because you want to hear your favorite radio or chat with your passengers, listening an air noise on Citroen Grand C4 Picasso is always irritating. It is with this in mind that we decided to prepare this article. Indeed, our team wanted to give you the keys to remedy this persistent trouble that can become irritating over time. First we will look into the air noise on Citroen Grand C4 Picasso coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Citroen Grand C4 Picasso that is coming from doors.air-noisecitroen-grand-c4-picasso

I notice an air noise in the cabin


if you recognise of an air noise on your Citroen Grand C4 Picasso 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 have to examine the fan in question to visually verify its state. The easiest method 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 remedy is to swap it.
If you haven’t found the answers to your questions in this section but your air noise on Citroen Grand C4 Picasso comes from your cabin, read both articles, firstly cabin noises on Citroen Grand C4 Picasso and heater fan noises on Citroen Grand C4 Picasso can surely support you find the reason.

I notice an air noise when I accelerate with my Citroen Grand C4 Picasso

Air noise Citroen Grand C4 Picasso caused by an air intake hose

The first of the two alternatives that can create an air noise on Citroen Grand 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 cause 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 verify 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 Grand C4 Picasso.

Air noise Citroen Grand C4 Picasso brought on by your turbo

One of the other possible origins of your air noise on Citroen Grand C4 Picasso is your turbo. Indeed, a damaged turbo will emit 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 signify the failure of your turbo. It is also conceivable that a lack of lubrication is the reason of this noise. Have it checked, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on Citroen Grand C4 Picasso 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 pages about turbo noises on Citroen Grand C4 Picasso and noise when accelerating on Citroen Grand C4 Picasso for more details.

I notice an air noise on Citroen Grand C4 Picasso at the doors

Air noise Citroen Grand C4 Picasso brought on by plastic door covers

If you experience air noise on the doors of your Citroen Grand C4 Picasso, it is possible that it is linked to some plastic covers on the interior side panels of your door. These can come loose, hole, fall and thus generate an air intake that will inevitably create a distinctive and annoying air noise in the cabin. To validate that you don’t have this trouble on your Citroen Grand C4 Picasso, open your doors and check the sides of them carefully, see if all the covers are properly placed.

Air noise Citroen Grand C4 Picasso brought on by door seals

Air noise at the doors of your Citroen Grand C4 Picasso can also be linked to a gasketfailing or overused. Certainly, the door seal, in addition to have a defensive purpose against moisture infiltration, also has a protective task 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 verify its state, there are two methods, first, visually verify 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 gets into. If you are in this case, go to your mechanic to have your seal exchanged and the air noises on your Citroen Grand C4 Picasso removed. If your air noise on Citroen Grand C4 Picasso is not solved despite reading this part, that it is present at your doors, we recommend you to consult this complete article on door noises on Citroen Grand C4 Picasso which should allow you to find the solution to your trouble.