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 hear an alternator noise on Chevrolet HHR, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article to support you locate the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Chevrolet HHR and then what the causes and solutions to alternator noise on Chevrolet HHR may be.
Role and alternator operation Chevrolet HHR
Alternator role
Your alternator is an vital component of your Chevrolet HHR. Indeed, its task is to provide 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 allow you to always have a sufficient energy reserve to be able to restart the next time.
Alternator functioning
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The alternator operates on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine motor itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Chevrolet HHR engine stops, the battery takes over to furnish the car with energy.
What are the distinctive alternator noises or sounds on my Chevrolet HHR and what are the causes?
I hear a knocking noise coming from the alternator of my Chevrolet HHR
One of the typical noises of a tired alternator on Chevrolet HHR is a knocking noise. This alternator sound on Chevrolet HHR will most of the time happen when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical components such as headlights for example. In most cases, 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 look for 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 Chevrolet HHR is tired and you should consider swapping the bearing if it is the only reason otherwise the whole part.
I hear a grinding noise coming from the alternator of my Chevrolet HHR
If you are in the case where the alternator of your Chevrolet HHR produces grinding sounds, in this circumstance you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but generally, we often realize by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we advise that you look for advice this document to find all the necessary details to solve an accessory belt noise on Chevrolet HHR.
I hear a loud noise from the alternator of my Chevrolet HHR
Listening a loud noise from the alternator of your Chevrolet HHR is quite normal, 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 appear, 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 go to this document to find other ways to solve problem of noises from front end on Chevrolet HHR.
