Listening noises from your vehicle very often is never comfortable, so experiencing air conditioning noises on your GMC Sierra can be a concern. This sign may be a sign of a small issue as well as a warning of a much bigger fix to come. In any case, it is very important to research its source and take the necessary measures to resolve the problem, it is with this in mind that we decided to produce this article to support you understand it better. We will first look at the possible causes for noise in the ventilation of your GMC Sierra. Then, in a second part, we will deal with the noises connected to the air conditioning of your vehicle.air-conditioning-noise-gmc-sierra

Noise air conditioning GMC Sierra : most regular origin coming from general ventilation

Loud noise or roar from ventilation or fan of your GMC Sierra

Listening a air conditioning noise on GMC Sierra is never pleasant, and can make your travels particularly annoying. 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 GMC Sierra 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 problem is generated by the ventilation, we would suggest that you open the ventilation of the problem area and check out the state of the fan, possibly grease it first, and if this is not sufficient, it will most certainly have to be replaced.

I hear an air conditioning noise click GMC Sierra

We will now look at the clicking air con noises you may hear from your ventilation. A clicking noise from GMC Sierra air conditioning is often the result of a duct or fan clogged by a foreign body. This noise is expected to build up as the air flow in the circuit increase. Remember 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 vehicle to your garage.

I hear an hissing air conditioning noise GMC Sierra

Finally, if you detect a whistling noise in the ventilation of your GMC Sierra, it may be that the source of it is relating to a fan that has shifted or is beginning to dry . In any case, you will need to check out the fan in question to visually verify its state. The easiest technique is to open the ventilation circuit again, and rotate the system 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 alternative is to change it. If you have a whistling noise but are not sure if it is relating to ventilation, we encourage you to consult this content about front end noise on GMC Sierra to discover its source.

I hear an air conditioning GMC Sierra noise : specially caused by your air con system

Slamming noise air conditioning GMC Sierra

We will now check out the particular 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 short and when you start it only signifies a good working of your air conditioning compressor which lights up, this noise can be loud. However, if you hear a clicking noise or air conditioning scrap metal on your regular GMC Sierra, you will have to worry in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be replaced. So have your mechanic verify its proper operation.

Pshhh noise / hissing air conditioning GMC Sierra

If you experience pshhhh or whistling noise on the air condition side of your heater fan on GMC Sierra, but in cooling mode, you have two alternatives to explain this problem. In fact, at first, the most likely reason is that your air conditioning system is running out of gas, to verify it you should encounter that the cold it has to produce is no longer as cold as before, if so, have your air conditioning system charged on your GMC Sierra and the problem should be fixed. On the other hand, you may knowledge a system leak and this psshhh or hiss may be relating to the gas getting away 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 vehicle to your mechanic.