Hearing noises from your vehicle often is never enjoyable, so listening air conditioning noises on your smart fortwo can be a concern. This warning sign may be a sign of a small trouble as well as a warning of a much bigger service to come. In any situation, it is very important to investigate its source and take the required measures to correct the issue, it is with this in mind that we decided to write this article to support you understand it better. We will first look at the plausible reasons for noise in the ventilation of your smart fortwo. Then, in a second step, we will concentrate on the noises relating to the air conditioning of your vehicle.air-conditioning-noisesmart-fortwo

Noise air conditioning smart fortwo : most general triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your smart fortwo

Hearing a air conditioning noise on smart fortwo is never enjoyable, and can make your trips particularly annoying. Ventilation is important whether it is in winter to warm up or defog or to cool down the car during the summer. In any case, having a dull noise from the air conditioning of your smart fortwo is a concern that must be resolved. This noise is very often caused by a worn or dirty fan motor. To make certain that the issue is caused by the ventilation, we encourage that you open the ventilation of the issue spot and inspect the state of the fan, possibly grease it first, and if this is not enough, it will certainly have to be replaced.

I acknowledge an heater fan noise clicking smart fortwo

We will now check out the clicking noises you may acknowledge from your ventilation. A clicking noise from smart fortwo heater fan is often the result of a duct or fan clogged by a foreign body. This noise is expected to increase as the air flow in the circuit increases. Remember to examine 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 remains, take your vehicle to your garage.

I listen to an hissing heater fan noise smart fortwo

Finally, if you know a whistling noise in the ventilation of your smart fortwo, it may be that the origin of it is linked to a fan that has shifted or is beginning to dry . In any situation, you will need to check the fan that causes you problem to visually examine its state. The easiest way is to open the ventilation circuit again, and rotate the system 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 remedy is to swap it. If you have a whistling noise but are not sure if it is linked to ventilation, we suggest you to browse this article about front end noise on smart fortwo to find its source.

I acknowledge an heater fan smart fortwo noise : specific air conditioning

Slamming noise air conditioning smart fortwo

We will now have a look at the particular part of the air conditioning side of your heater fans and the source of the noise it can produce. A clicking noise in your air conditioning, if it is brief and when you start it only represents a good functioning of your air conditioning compressor which lights up, this noise can be loud. Alternatively, if you acknowledge a clicking noise or air conditioning scrap metal on your regular smart fortwo, you will have to feel concerned in this situation. In fact, it can state an air conditioning compressor clutch, or compressor itself at the end of its life. So have your mechanic examine its proper operation.

Pshhh noise / hissing air conditioning smart fortwo

If you experience pshhhh or whistling noise on the air condition side of your heater fan on smart fortwo, but in cooling mode, you have two alternatives to explicate this issue. In fact, at first, the most likely cause is that your air conditioning system is running out of gas, to examine 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 smart fortwo and the issue 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 unit. 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 mechanic.