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, certainly you’ve already had that apprehension. So when you discover an alternator noise on Cadillac CTS, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to help you find the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Cadillac CTS and then what the causes and solutions to alternator noise on Cadillac CTS may be.alternator-noise-cadillac-cts

Role and alternator operation Cadillac CTS

Alternator role

Your alternator is an important component of your Cadillac CTS. In fact, its mission 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 vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a sufficient energy source 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 spinning creates electricity. It is the engine motor itself that will provide the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Cadillac CTS engine stops, the battery takes over to provide the vehicle with energy.

What are the several alternator noises or sounds on my Cadillac CTS and what are the causes?

I perceive a knocking noise coming from the alternator of my Cadillac CTS

One of the characteristic noises of a tired alternator on Cadillac CTS is a knocking noise. This alternator sound on Cadillac CTS will generally occur when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical parts such as headlights for example. In many cases, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your vehicle 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 Cadillac CTS is tired and you should think about swapping the bearing if it is the only cause otherwise the entire part.

I discover a grinding noise coming from the alternator of my Cadillac CTS

If you are in the situation where the alternator of your Cadillac CTS generates grinding sounds, in this case you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , generally, we generally see by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we recommend that you look for advice this document to find all the necessary information to solve an accessory belt noise on Cadillac CTS.

I discover a loud noise from the alternator of my Cadillac CTS

Finding out a loud noise from the alternator of your Cadillac CTS is quite regular, in fact, it produces an audible sound when creating the electrical pulses it generates. It is up to you to check 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 document to find other ways to solve problem of noises from front end on Cadillac CTS.