Discovering noises from your automobile quite often is never relaxing, so experiencing air conditioning noises on your Volkswagen Polo 4 can be a matter. This symptom may be a sign of a slight trouble as well as a warning of a much bigger service to come. In any case, it is very important to investigate its source and take the required actions to correct the problem, it is with this in mind that we desired to produce this page to support you understand it better. We will first look at the possible causes for noise in the ventilation of your Volkswagen Polo 4. Then, in a second step, we will deal with the noises related to the air conditioning of your automobile.air-conditioning-noisevolkswagen-polo-4

Noise air conditioning Volkswagen Polo 4 : most general causes coming from general ventilation

Loud noise or roar from ventilation or fan of your Volkswagen Polo 4

Discovering a air conditioning noise on Volkswagen Polo 4 is never pleasant, and can make your trips especially 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 circumstance, having a thumping noise from the air conditioning of your Volkswagen Polo 4 is a matter that must be addressed. This noise is very often caused by a worn or dirty fan motor. To be certain that the problem is triggered by the ventilation, we suggest that you open the ventilation of the problem location and check out the condition of the fan, possibly grease it first, and if this is not enough, it will probably have to be swapped.

I perceive an heater fan noise click Volkswagen Polo 4

We will now look into the clicking noises you may perceive from your ventilation. A clicking noise from Volkswagen Polo 4 heater fan is often a consequence of a duct or fan obstructed by a foreign body. This noise is supposed to amplify as the air flow in the circuit increase. 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 problem continues, take your automobile to your garage.

I hear an hissing heater fan noise Volkswagen Polo 4

Finally, if you detect a whistling noise in the ventilation of your Volkswagen Polo 4, it may be that the origins of it is linked to a fan that has shifted or is beginning to dry . In any case, you will have to check the fan in question to visually verify its condition. The easiest way is to open the ventilation circuit again, and turn on 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 answer is to change it. If you have a whistling noise but are not sure if it is linked to ventilation, we advise you to consult this content about front end noise on Volkswagen Polo 4 to discover its source.

I perceive an heater fan Volkswagen Polo 4 noise : specific air conditioning

Slamming noise air conditioning Volkswagen Polo 4

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 make. A clicking noise in your air conditioning, if it is brief and when you start it only signifies 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 Volkswagen Polo 4, you will have to feel concerned in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be changed. So have your auto technician verify its proper process.

Pshhh noise / hissing air conditioning Volkswagen Polo 4

If you discover pshhhh or whistling noise on the air condition side of your heater fan on Volkswagen Polo 4, but in cooling mode, you have two possibilities to explain this problem. In fact, at first, the most likely reason is that your air conditioning unit is running out of gas, to verify it you should experience that the cold it has to emit is no longer as cold as before, if so, have your air conditioning system charged on your Volkswagen Polo 4 and the problem should be fixed. Otherwise, you may encounter a system leak and this psshhh or hiss may be linked to the gas getting out from the unit. You can check out the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your automobile to your auto technician.