Hearing noises from your car quite often is never enjoyable, so finding out air conditioning noises on your Audi S4 can be a concern. This indicator may be a sign of a minor problem as well as a warning of a much significant fix to come. In any situation, it is very important to research its source and take the required measures to correct the problem, it is with this in mind that we desired to create this document to help you understand it better. We will first look at the plausible reasons for noise in the ventilation of your Audi S4. Then, in a second part, we will deal with the noises relating to the air conditioning of your car.
Noise air conditioning Audi S4 : most basic causes coming from general ventilation
Loud noise or roar from ventilation or fan of your Audi S4
Hearing a air conditioning noise on Audi S4 is never enjoyable, and can make your travels particularly uncomfortable. Ventilation is useful whether it is in winter to defog your windscreen or to cool down the car during the summer. In any circumstance, having a thumping noise from the air conditioning of your Audi S4 is a concern that must be dealt with. This noise is very often relating to a worn or dirty fan motor. To be sure that the problem is generated by the ventilation, we encourage that you open the ventilation of the problem place and examine the state of the fan, possibly grease it first, and if this is not enough, it will most likely have to be substituted.
I perceive an air conditioning noise clicking Audi S4
We will now look into the clicking air con noises you may perceive from your ventilation. A clicking noise from Audi S4 air conditioning is often caused by a duct or fan obstructed by a foreign body. This noise is likely to amplify as the air flow in the circuit increase. Bear in mind to verify 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 problem continues, take your car to your garage.
I hear an hissing air conditioning noise Audi S4
Finally, if you note a whistling noise in the ventilation of your Audi S4, it may be that the source of it is connected to a fan that has shifted or is beginning to dry . In any situation, you will have to inspect the fan that causes you problem to visually verify its state. The easiest solution is to open the ventilation circuit again, and rotate the circuit while you are examining 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 have a whistling noise but are not sure if it is connected to ventilation, we encourage you to read this content about front end noise on Audi S4 to find its origin.
I perceive an air conditioning Audi S4 noise : specially caused by your air con system
Slamming noise air conditioning Audi S4
We will now take a look at the precise part of the air conditioning side of your heater fans and the origin of the noise it can make. A clicking noise in your air conditioning, if it is quick and when you start it only means a good working of your air conditioning compressor which lights up, this noise can be loud. On the other hand, if you perceive a clicking noise or air conditioning scrap metal on your regular Audi S4, you will have to feel concerned in this situation. Indeed, it can announce an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your mechanic verify its proper performance.
Pshhh noise / hissing air conditioning Audi S4
If you discover pshhhh or whistling noise on the air condition side of your heater fan on Audi S4, but in cooling mode, you have two possibilities to explicate this problem. Indeed, at first, the most likely answer is that your air conditioning unit is running out of gas, to verify it you should feel 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 S4 and the problem should be fixed. Otherwise, you may experience a system leak and this psshhh or hiss may be connected to the gas getting out from the device. 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 mechanic.
