Experiencing noises from your car frequently is never comfortable, so hearing air conditioning noises on your Audi A4 can be a issues. This symptom may be a sign of a moderate problem as well as a warning of a much bigger fix to come. In any case, it is very important to analyze its source and take the required measures to resolve the trouble, it is with this in mind that we desired to write this article to help you understand it better. We will first look at the possible causes for noise in the ventilation of your Audi A4. Then, in a second step, we will concentrate on the noises linked to the air conditioning of your car.air-conditioning-noiseaudi-a4

Noise air conditioning Audi A4 : most general causes coming from general ventilation

Loud noise or roar from ventilation or fan of your Audi A4

Experiencing a air conditioning noise on Audi A4 is never enjoyable, and can make your trips specifically unpleasant. 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 muffled noise from the air conditioning of your Audi A4 is a issues that must be treated. This noise is very often linked to 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 place and inspect the state of the fan, possibly grease it first, and if this is not sufficient, it will probably have to be changed.

I notice an heater fan noise clicking Audi A4

We will now have a look at the clicking noises you may notice from your ventilation. A clicking noise from Audi A4 heater fan is often brought on by a duct or fan blocked by a foreign body. This noise is supposed to build up as the air flow in the circuit increases. Bear in mind to check the cleanliness 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 continues, take your car to your mechanic.

I hear an hissing heater fan noise Audi A4

Finally, if you acknowledge a whistling noise in the ventilation of your Audi A4, it may be that the origins of it is connected to a fan that has shifted or is commencing to dry . In any case, you will need to check the fan in question to visually check its state. The easiest process 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 solution is to change it. If you have a whistling noise but are not sure if it is connected to ventilation, we recommend you to read this document about front end noise on Audi A4 to find its source.

I notice an heater fan Audi A4 noise : specific air conditioning

Slamming noise air conditioning Audi A4

We will now look at the precise part of the air conditioning side of your heater fans and the source of the noise it can release. A clicking noise in your air conditioning, if it is short and when you start it only means a good functioning of your air conditioning compressor which lights up, this noise can be loud. However, if you notice a clicking noise or air conditioning scrap metal on your regular Audi A4, you will have to get worried in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be changed. So have your repair shop check its proper process.

Pshhh noise / hissing air conditioning Audi A4

If you detect pshhhh or whistling noise on the air condition side of your heater fan on Audi A4, but in cooling mode, you have two options to explicate this trouble. In fact, at first, the most likely answer is that your air conditioning system is running out of gas, to check it you should experience that the cold it has to produce is no longer as cold as before, if so, have your air conditioning system charged on your Audi A4 and the trouble should be fixed. On the other hand, you may experience a system leak and this psshhh or hiss may be connected to the gas escaping 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 repair shop.