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, at least you’ve already had that apprehension. So when you notice an alternator noise on Honda Civic, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article to support you locate the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Honda Civic and then what the causes and solutions to alternator noise on Honda Civic may be.alternator-noise-honda-civic

Role and alternator operation Honda Civic

Alternator role

Your alternator is an vital component of your Honda Civic. In fact, its task 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 let you to always have a enough energy source to be able to restart the next time.

Alternator functioning

The alternator functions on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating 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 Honda Civic engine stops, the battery takes over to furnish the car with energy.

What are the different alternator noises or sounds on my Honda Civic and what are the causes?

I find out a knocking noise originating from the alternator of my Honda Civic

One of the characteristic noises of a tired alternator on Honda Civic is a knocking noise. This alternator sound on Honda Civic will generally show up when your engine is idling, it can be linked to voltage drops that could disturb 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 defective, to verify 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 Honda Civic is tired and you should consider swapping the bearing if it is the only reason otherwise the entire part.

I notice a grinding noise coming from the alternator of my Honda Civic

If you are in the case where the alternator of your Honda Civic produces grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , usually, we generally realise by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we recommend that you look for advice this content to find all the necessary information to solve an accessory belt noise on Honda Civic.

I notice a loud noise from the alternator of my Honda Civic

Experiencing a loud noise from the alternator of your Honda Civic is quite normal, in fact, it produces 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 recommend that you have a look this content to find other ways to solve problem of noises from front end on Honda Civic.