Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, certainly you’ve already had that fear. So when you listen to an alternator noise on Opel Corsa, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to help you locate the sources of alternator sounds. In this article, you will first see the role and operation of the alternator in your Opel Corsa and then what the causes and solutions to alternator noise on Opel Corsa may be.
Role and alternator operation Opel Corsa
Alternator role
Your alternator is an fundamental part of your Opel Corsa. Indeed, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission 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 enough energy reserve to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning makes electricity. It is the engine itself that will give the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Opel Corsa engine stops, the battery takes over to give the car with energy.
What are the distinctive alternator noises or sounds on my Opel Corsa and what are the causes?
I discover a knocking noise originating from the alternator of my Opel Corsa
One of the typical noises of a tired alternator on Opel Corsa is a knocking noise. This alternator sound on Opel Corsa will most of the time show up when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical elements such as headlights for example. In most cases, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your car with the engine running and you must get 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 Opel Corsa is tired and you should consider swapping the bearing if it is the only reason otherwise the complete part.
I listen to a grinding noise coming from the alternator of my Opel Corsa
If you are in the situation where the alternator of your Opel Corsa 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, but generally, 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 look for advice this document to find all the necessary details to solve an accessory belt noise on Opel Corsa.
I listen to a loud noise from the alternator of my Opel Corsa
Listening a loud noise from the alternator of your Opel Corsa is quite typical, in fact, it produces 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 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 suggest that you take a look at this document to find other ways to solve problem of noises from front end on Opel Corsa.
