What could be more frustrating than experiencing a persistent noise when driving your vehicle, whether it’s because you want to listen to your favorite radio or chat with your passengers, experiencing an air noise on GMC Sierra is always annoying. It is with this in mind that we wanted to write this article. In fact, our team wanted to give you the keys to fix this recurring issue that can become frustrating in the long term. First we will look at the air noise on GMC Sierra coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on GMC Sierra that is coming from doors.
I listen an air noise in the cabin
if you find out of an air noise on your GMC Sierra and it is based in your cabin, it may be linked to a fan that has shifted or is starting to dry . Whatever the case, you will need to inspect the fan in question to visually verify its state. The easiest technique is to open the ventilation circuit, and rotate the circuit while you are watching its proper performance, 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 haven’t found the answers to your questions in this section but your air noise on GMC Sierra comes from your cabin, read both articles, firstly cabin noises on GMC Sierra and heater fan noises on GMC Sierra can surely help you find the cause.
I listen an air noise when I accelerate with my GMC Sierra
Air noise GMC Sierra linked to an air intake hose
The first of the two possibilities that can generate an air noise on GMC Sierra at the time of acceleration and the less severe. Is that you have one of your air intake hoses that has been punctured or cracked. This failure will lead to a large and unexpected air intake . This will show itself in a loud air noise at acceleration when the air intake is running at full throttle. So verify the state of all your hoses, don’t hesitate to ask someone to accelerate while you look at the engine block to help you establish the area of origin of air noise on GMC Sierra.
Air noise GMC Sierra linked to your turbo
One of the other possible sources of your air noise on GMC Sierra is your turbo. In fact, a broken turbo will release a sound close to an air or breath noise when it is switched on. It will be used during your acceleration phases. You may also experience a power loss that would point out the failure of your turbo. It is also possible that a lack of lubrication is the cause of this noise. Have it examined, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on GMC Sierra manifests itself well when you accelerate at any speed, but you want more details about it or you still haven’t found the cause, browse both pages about turbo noises on GMC Sierra and noise when accelerating on GMC Sierra for more details.
I listen an air noise on GMC Sierra at the doors
Air noise GMC Sierra linked to plastic door covers
If you experience air noise on the doors of your GMC Sierra, it is possible that it is associated with some plastic covers on the inside side panels of your door. These can come loose, hole, fall and thus generate an air intake that will inevitably make a distinctive and unpleasant air noise in the cabin. To verify that you don’t have this issue on your GMC Sierra, open your doors and examine the sides of them carefully, see if all the covers are properly placed.
Air noise GMC Sierra linked to door seals
Air noise at the doors of your GMC Sierra can also be related to a gasketfailing or overused. In fact, the door seal, in addition to have a defensive purpose against moisture infiltration, also has a protective role for air inlets in the passenger compartment. When it is worn, it will not settle and therefore no longer create a perfect seal between the door and the car body. To verify its state, there are two techniques, first, visually verify the state of the seal and for the second test, install someone inside the passenger compartment and door by door, car closed, sprayed with water the seals to see if water goes in. If you are in this case, go to your auto technician to have your seal swapped and the air noises on your GMC Sierra wiped out. If your air noise on GMC Sierra is not resolved despite reading this part, that it is present at your doors, we suggest you to browse this full guide on door noises on GMC Sierra which should allow you to find the solution to your issue.
