Air conditioning is one of the main asked features on newer cars. Despite the fact it was before available to high-end varieties, it has today been democratized for a large proportion of cars. However, this costly and complex mechanism necessitates special treatment, and whether it’s for service or because of odours, it is completely crucial to think about cleaning the air conditioning of your GMC Sierra. This is specifically what we will demonstrate in detail in this article. First we will take a look in detail at the process to clean the air conditioning of your GMC Sierra, then in a second part, we will look more generally at the service of the air conditioning of your GMC Sierra.

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How to clean my GMC Sierra air conditioning

Let’s start our article with the cleaning of the air conditioning system of your GMC Sierra. The only way to perform a total cleaning of this system will be to use bactericidal and fungicidal products, in reality, your air conditioning produces a lot of moisture that will stagnate in the system and will promote the creation of germs and bacteria of all sorts. You will find these products on the internet or in car centres. There are two ways to perform this, here they are

Service the air conditioning circuit of your GMC Sierra in the simple way

Once you have a disinfectant spray, you can very easily clean your car’s air-conditioning circuit.
The technique is very easy, however, this treatment can dirty the inside of your GMC Sierra.

  • Take off the cabin filter.
  • Set up the disinfectant spray on the floor of your car (if possible on the passenger side).
  • Turn on your car’s ventilation and air conditioning (with the engine is on) with air recycling
  • With the windows closed, push the button on the bomb to empty it slowly but surely and close the car doors and leave it on for about ten minutes.
  • Once this time has passed, open the doors of your GMC Sierra, ventilation still on and let the passenger compartment air out for about 20 minutes.

This solution will allow you to fairly quickly clean the air-conditioning system of your GMC Sierra, but if you have bad air-conditioning odours on your GMC Sierra that are persistent, we encourage you to practice the second methodology.

Clean deeply the air-conditioning system of your GMC Sierra

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Now let’s move on to the more radical tactic of performing a cleaning of your ventilation circuit in depth. You will have to purchase the same bactericidal and fungicidal spray, it is only the application that will be different. Here is the procedure to follow:

  • Take off your cabin filter.
  • By the external air intake of your GMC Sierra (between the bonnet and the windscreen), with the engine on and the ventilation on, spray several times for 5 seconds and leave all windows and doors closed for A moment.
  • Once this first step is completed you will be able to tackle the inside part of your air conditioning system, doing the same but not the inside air intake which is usually located under the glove box.
  • Finally, to conclude, you can spray a few sprays into the vents of your GMC Sierra.
  • All you have to do is air out your car while the product dissipates before you can use it again.

Maintenance of the air-conditioning of its GMC Sierra

Finally, to conclude our article, we will give you the main suggestions to respect, if you want to maximize the life of your air conditioning circuit on GMC Sierra and limit unforeseen expenses.

  • Have your air conditioning serviced every year
  • Change your cabin filter every two years.
  • Have your FREON gas recharged every two years.
  • lean the air-conditioning system on your GMC Sierra every year.
  • To get more tips on the GMC Sierra, take a look at the GMC Sierra category.