Hearing noises from your vehicle quite often is never comfortable, so hearing air conditioning noises on your Volkswagen Passat 8 can be a concern. This indicator may be a sign of a insignificant issue as well as a warning of a much larger service to come. In any circumstance, it is very important to inspect its source and take the necessary actions to solve the issue, it is with this in mind that we decided to write this document to support you understand it better. We will first look at the possible reasons for noise in the ventilation of your Volkswagen Passat 8. Then, in a second part, we will deal with the noises relating to the air conditioning of your vehicle.air-conditioning-noisevolkswagen-passat-8

Noise air conditioning Volkswagen Passat 8 : most common origin coming from general ventilation

Loud noise or roar from ventilation or fan of your Volkswagen Passat 8

Hearing a air conditioning noise on Volkswagen Passat 8 is never pleasing, and can make your journeys especially uncomfortable. Ventilation is important whether it is in winter to warm up or defog or to cool down the car during the summer. In any circumstance, having a muffled noise from the air conditioning of your Volkswagen Passat 8 is a concern that must be resolved. This noise is very often caused by a worn or dirty fan motor. To make sure that that the issue is triggered by the ventilation, we encourage that you open the ventilation of the issue location and inspect 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 heater fan noise clicking Volkswagen Passat 8

We will now have a look at the clicking noises you may perceive from your ventilation. A clicking noise from Volkswagen Passat 8 heater fan is often caused by a duct or fan obstructed by a foreign body. This noise is likely to build up as the air flow in the circuit increases. Remember to check 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 issue lasts, take your vehicle to your garage.

I read an hissing heater fan noise Volkswagen Passat 8

Finally, if you note a whistling noise in the ventilation of your Volkswagen Passat 8, it may be that the origin of it is connected to a fan that has shifted or is commencing to dry . In any circumstance, you will need to look at the fan that causes you problem to visually check its state. The easiest technique is to open the ventilation circuit again, and turn on the circuit while you are watching its proper action, you can try to grease it to limit this noise, but it is very likely that the final remedy is to change it. If you have a whistling noise but are not sure if it is connected to ventilation, we recommend you to browse this document about front end noise on Volkswagen Passat 8 to find its source.

I perceive an heater fan Volkswagen Passat 8 noise : specific air conditioning

Slamming noise air conditioning Volkswagen Passat 8

We will now check out the precise 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 quick 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 perceive a clicking noise or air conditioning scrap metal on your regular Volkswagen Passat 8, you will have to feel concerned in this circumstance. Indeed, it can announce an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your auto mechanic check its proper performance.

Pshhh noise / hissing air conditioning Volkswagen Passat 8

If you detect pshhhh or whistling noise on the air condition side of your heater fan on Volkswagen Passat 8, but in cooling mode, you have two options to explicate this issue. Indeed, at first, the most likely cause is that your air conditioning system is running out of gas, to check it you should encounter 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 Passat 8 and the issue should be fixed. Otherwise, you may encounter a system leak and this psshhh or hiss may be connected 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 vehicle to your auto mechanic.