Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, at least you’ve already had that fear. So when you listen to an alternator noise on GMC Canyon, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to help you locate the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your GMC Canyon and then what the causes and solutions to alternator noise on GMC Canyon may be.alternator-noise-gmc-canyon

Role and alternator operation GMC Canyon

Alternator role

Your alternator is an essential part of your GMC Canyon. In fact, its task is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging the battery once the car is in motion, to provide power to the car in motion and to let you to always have a enough energy reserve to be able to restart the next time.

Alternator functioning

The alternator works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your GMC Canyon engine stops, the battery takes over to furnish the car with energy.

What are the distinctive alternator noises or sounds on my GMC Canyon and what are the causes?

I perceive a knocking noise originating from the alternator of my GMC Canyon

One of the typical noises of a tired alternator on GMC Canyon is a knocking noise. This alternator sound on GMC Canyon will generally appear when your engine is idling, it can be linked to voltage drops that could affect the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your car with the engine running and you must obtain a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your GMC Canyon is tired and you should think about replacing the bearing if it is the only reason otherwise the entire part.

I listen to a grinding noise coming from the alternator of my GMC Canyon

If you are in the situation where the alternator of your GMC Canyon produces grinding sounds, in this circumstance you will have to look into it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , in most cases, we generally notice by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we suggest that you read this article to find all the necessary details to solve an accessory belt noise on GMC Canyon.

I listen to a loud noise from the alternator of my GMC Canyon

Hearing a loud noise from the alternator of your GMC Canyon is quite typical, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to verify that the battery indicator light on your dashboard does not show up, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we suggest that you read this article to find other ways to solve problem of noises from front end on GMC Canyon.