Hearing noises from your car very often is never enjoyable, so listening air conditioning noises on your Citroen C4 can be a concern. This symptom may be a sign of a insignificant problem as well as a warning of a much significant fix to come. In any situation, it is very important to examine its source and take the necessary actions to correct the trouble, it is with this in mind that we wanted to compose this document to support you understand it better. We will first look at the conceivable causes for noise in the ventilation of your Citroen C4. Then, in a second part, we will concentrate on the noises related to the air conditioning of your car.
Noise air conditioning Citroen C4 : most common causes coming from general ventilation
Loud noise or roar from ventilation or fan of your Citroen C4
Hearing a air conditioning noise on Citroen C4 is never pleasant, and can make your travels particularly distressing. Ventilation is useful whether it is in winter to warm up or defog or to cool down the car during the summer. In any case, having a thumping noise from the air conditioning of your Citroen C4 is a concern that must be solved. This noise is very often connected with a worn or dirty fan motor. To ensure that that the trouble is generated by the ventilation, we recommend highly that you open the ventilation of the trouble region and check out the condition of the fan, possibly grease it first, and if this is not enough, it will most likely have to be replaced.
I listen to an heater fan noise clicking Citroen C4
We will now look into the clicking noises you may listen to from your ventilation. A clicking noise from Citroen C4 heater fan is often the result of a duct or fan blocked by a foreign body. This noise is expected to increase as the air flow in the circuit raises up. Keep in mind to verify 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 trouble lasts, take your car to your mechanic.
I perceive an hissing heater fan noise Citroen C4
Finally, if you know a whistling noise in the ventilation of your Citroen C4, it may be that the origin of it is linked to a fan that has shifted or is starting to dry . In any situation, you will have to look at the fan that causes you problem to visually verify its condition. The easiest option is to open the ventilation circuit again, and rotate the circuit while you are observing its proper operation, you can try to grease it to limit this noise, but it is very likely that the final alternative is to change it. If you have a whistling noise but are not sure if it is linked to ventilation, we advise you to check with this document about front end noise on Citroen C4 to discover its origin.
I listen to an heater fan Citroen C4 noise : specific air conditioning
Slamming noise air conditioning Citroen C4
We will now check out the specified part of the air conditioning side of your heater fans and the origin of the noise it can produce. A clicking noise in your air conditioning, if it is brief and when you start it only means a good running of your air conditioning compressor which lights up, this noise can be loud. On the other hand, if you listen to a clicking noise or air conditioning scrap metal on your regular Citroen C4, you will have to be concerned in this situation. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your repair shop verify its proper operation.
Pshhh noise / hissing air conditioning Citroen C4
If you detect pshhhh or whistling noise on the air condition side of your heater fan on Citroen C4, but in cooling mode, you have two possibilities to explain this trouble. In fact, at first, the most likely cause is that your air conditioning unit is running out of gas, to verify 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 and the trouble should be fixed. Otherwise, you may knowledge a system leak and this psshhh or hiss may be linked to the gas getting out from the system. 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 repair shop.
