You might expect it, but the alternator is an essential part of an engine. It is he who happens to be responsible for change energy the engine block of your Renault Scenic 4 in Electricity supply in order to recharge the battery. If there is ever a problem, it could essentially cause electrical failures. It is therefore essential to pay attention to it. However, the problem could also be with your belt, and even pulleys. We will see through this article where will be able to come from problems according to the noise that you hear.noise-alternator-Renault-Scenic-4

Noise of the alternator belt on a Renault Scenic 4

La alternator belt, also referred to as the accessory belt, is the essential component that contributes to the proper functioning of the alternator. It is this one which, via its convolution, drives the alternator and provides the means to produce electricity. Nevertheless it is used more to make turn different pumps of the engine block. In the event that it breaks, the latter may make damages rather serious in your engine of this Renault Scenic 4.

A metallic noise on the Renault Scenic 4:

It's a noise that usually comes Cold. The most common reason is that part of the ridges on this belt will be damaged. However, this can also happen when the pulley is slightly off-center. If the belt deteriorates it may naturally break. If it happens that you recognize this sound, the ideal will be to change the belt and the problem will be eliminated almost every time.

A sharp screech on the Renault Scenic 4:

Indeed, it is the most common problem, but also the least dramatic. It usually comes cold, but can reproduce even hot sometimes. Nevertheless, he suddenly disappears. This inconvenience usually comes as soon as the accessory belt is not tight enough. You just have to tighten and it is done. Warning, if it remains in this situation for a long time, the belt could be damaged and eventually cause a more serious malfunction. This high-pitched squealing also sometimes occurs in the event that the damper pulley is damaged, but it is more rare.

A slight hiss or breath on the Renault Scenic 4:

This is the opposite of the previous problem. Your belt is probably too tight or too small. You can imagine what you have to do!

Alternator noise on a Renault Scenic 4

If it is the alternator that makes the sound and not the belt, in this case the problems will be quite different. However, the sound emitted may have similarities with that of a belt, that is to say a high hiss. The concern may arise from a electrical failure, it's relatively ordinary. In case the voltage essential to the proper functioning of this Renault Scenic 4 remains insufficient, it is generally noted in the lack of liveliness of the warning lights or lights inside the car. If the lack of liveliness is excessive, it is possible that the battery indicator can be in operation. If you want to make a real diagnostic of your concern, it is possible to use a voltmeter to check the tension on the + and the minus of its battery, with the engine running of course. If ever the voltage is found to be lower than that recommended by the battery, the problem may in fact come from the alternator. In this situation, it will usually have to be changed.

Conclusion:

An alternator sound usually comes from the alternator belt, but could also come from the alternator itself. financially, the alternator belt is much cheaper compared to the alternator. Get the price from a mechanic rather than starting repairs, simply because you are never certain of the cause of the problem. We hope this article has served you well, if so, please leave a comment. Have a good trip with your Renault Scenic 4.