Discovering noises from your car often is never pleasant, so listening air conditioning noises on your Citroen C4 Picasso can be a concern. This symptom may be a sign of a moderate issue as well as a warning of a much significant fix to come. In any situation, it is very important to investigate its origin and take the required actions to solve the problem, it is with this in mind that we wanted to produce this document to support you understand it better. We will first look at the plausible reasons for noise in the ventilation of your Citroen C4 Picasso. Then, in a second part, we will look into the noises relating to the air conditioning of your car.air-conditioning-noisecitroen-c4-picasso

Noise air conditioning Citroen C4 Picasso : most basic triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your Citroen C4 Picasso

Discovering a air conditioning noise on Citroen C4 Picasso is never satisfying, and can make your trips particularly distressing. Ventilation is important whether it is in winter to warm up or defog or to cool down the car during the summer. In any case, having a dull noise from the air conditioning of your Citroen C4 Picasso is a concern that must be solved. This noise is very often caused by a worn or dirty fan motor. To ensure that the problem is caused by the ventilation, we recommend that you open the ventilation of the problem region and check out the state of the fan, possibly grease it first, and if this is not sufficient, it will most certainly have to be changed.

I notice an heater fan noise clicking Citroen C4 Picasso

We will now examine the clicking noises you may notice from your ventilation. A clicking noise from Citroen C4 Picasso heater fan is often a consequence of a duct or fan obstructed by a foreign body. This noise is supposed to build up as the air flow in the circuit increase. Please remember to examine the cleanness of your air inlets at the top of your hood, for example. You will then have to open the conduit in question and find the foreign body. If the problem remains, take your car to your mechanic.

I experience an hissing heater fan noise Citroen C4 Picasso

Finally, if you acknowledge a whistling noise in the ventilation of your Citroen C4 Picasso, it may be that the origins of it is linked to a fan that has shifted or is commencing to dry . In any situation, you will need to examine the fan in question to visually examine its state. The easiest method is to open the ventilation circuit again, and rotate the circuit while you are observing its proper action, you can try to grease it to limit this noise, but it is very likely that the final alternative is to replace it. If you have a whistling noise but are not sure if it is linked to ventilation, we recommend you to check out this document about front end noise on Citroen C4 Picasso to discover its source.

I notice an heater fan Citroen C4 Picasso noise : specific air conditioning

Slamming noise air conditioning Citroen C4 Picasso

We will now have a look at the specified part of the air conditioning side of your heater fans and the origins of the noise it can emit. A clicking noise in your air conditioning, if it is short and when you start it only represents a good running of your air conditioning compressor which lights up, this noise can be loud. On the other hand, if you notice a clicking noise or air conditioning scrap metal on your regular Citroen C4 Picasso, you will have to feel concerned in this situation. In fact, it can state an air conditioning compressor clutch, or compressor itself at the end of its life. So have your technician examine its proper process.

Pshhh noise / hissing air conditioning Citroen C4 Picasso

If you discover pshhhh or whistling noise on the air condition side of your heater fan on Citroen C4 Picasso, but in cooling mode, you have two options to explain this problem. In fact, at first, the most likely solution is that your air conditioning unit is running out of gas, to examine it you should feel that the cold it has to emit is no longer as low as before, if so, have your air conditioning system charged on your Citroen C4 Picasso and the problem should be fixed. Otherwise, you may knowledge a system leak and this psshhh or hiss may be linked to the gas getting away from the unit. You can test the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your car to your technician.