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 minimum you’ve already had that fear. So when you hear an alternator noise on Jeep Compass, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this content to help you locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Jeep Compass and then what the causes and solutions to alternator noise on Jeep Compass may be.alternator-noise-jeep-compass

Role and alternator operation Jeep Compass

Alternator role

Your alternator is an vital component of your Jeep Compass. Indeed, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of recharging the battery once the vehicle is in motion, to provide power to the vehicle 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 concept of copper coil wound around a magnet . This coil while rotating creates electricity. It is the engine itself that will give the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Jeep Compass engine stops, the battery takes over to give the vehicle with energy.

What are the different alternator noises or sounds on my Jeep Compass and what are the causes?

I discover a knocking noise from the alternator of my Jeep Compass

One of the characteristic noises of a tired alternator on Jeep Compass is a knocking noise. This alternator sound on Jeep Compass will most of the time show up when your engine is idling, it can be associated with voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In general, it is a of both bearings of the alternator that is malfunctioning, to examine it, use a multimeter on the terminals of your vehicle 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 Jeep Compass is tired and you should think about swapping the bearing if it is the only reason otherwise the whole part.

I hear a grinding noise coming from the alternator of my Jeep Compass

If you are in the situation where the alternator of your Jeep Compass causes grinding sounds, in this case you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, however , in general, we often see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we recommend that you read this article to find all the necessary information to solve an accessory belt noise on Jeep Compass.

I hear a loud noise from the alternator of my Jeep Compass

Finding out a loud noise from the alternator of your Jeep Compass is quite regular, in fact, it produces an audible sound when producing 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 recommend that you go to this article to find other ways to solve problem of noises from front end on Jeep Compass.