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 perceive an alternator noise on Chevrolet Silverado, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to support you locate the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Chevrolet Silverado and then what the causes and solutions to alternator noise on Chevrolet Silverado may be.alternator-noise-chevrolet-silverado

Role and alternator operation Chevrolet Silverado

Alternator role

Your alternator is an important part of your Chevrolet Silverado. In fact, its goal is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the car is in motion, to provide power to the car in motion and to allow you to always have a sufficient 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 rotating generates electricity. It is the engine itself that will give the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Chevrolet Silverado engine stops, the battery takes over to give the car with energy.

What are the different alternator noises or sounds on my Chevrolet Silverado and what are the causes?

I perceive a knocking noise caused by the alternator of my Chevrolet Silverado

One of the typical noises of a tired alternator on Chevrolet Silverado is a knocking noise. This alternator sound on Chevrolet Silverado will generally show up when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In most cases, it is a of both bearings of the alternator that is malfunctioning, to examine it, use a multimeter on the terminals of your car with the engine running and you must look for a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Chevrolet Silverado is tired and you should think about swapping the bearing if it is the only reason otherwise the whole part.

I perceive a grinding noise coming from the alternator of my Chevrolet Silverado

If you are in the case where the alternator of your Chevrolet Silverado causes grinding sounds, in this case you will have to look at it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in most cases, we generally see by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we advise that you look for advice this article to find all the necessary details to solve an accessory belt noise on Chevrolet Silverado.

I perceive a loud noise from the alternator of my Chevrolet Silverado

Experiencing a loud noise from the alternator of your Chevrolet Silverado is quite typical, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to examine 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 advise that you check out this article to find other ways to solve problem of noises from front end on Chevrolet Silverado.