You may already know this, but the alternator is a critical component in an engine. It is he who is responsible for changing energy the engine block of your Toyota Rav 4 in Electricity supply in order to recharge the battery. In the specific case where there is a problem, this can therefore cause mainly electrical failures. It is therefore essential to take care of it. Only, the malfunction can also come from your belt, and even pulleys. We will see in this text where the problems related to noise which is issued.noise-alternator-Toyota-Rav-4

Noise of the alternator belt on a Toyota Corolla

La alternator belt, also referred to as the accessory belt, turns out to be the essential component involved in the proper functioning of the alternator. It is this one which by its rotation carries the alternator and makes it possible to create electricity. However, it is also used at the same time to run different pumps of the engine block. In the event that it breaks, the latter may cause damages frankly serious within the engine of this Toyota Rav 4.

A metallic noise on the Toyota Corolla:

Here is a hazard that generally comes Cold. The most common reason is that part of the ridges on this belt are damaged. However, this could also occur if the pulley is slightly out of gon. If the belt deteriorates it could of course break. If it happens that you recognize this noise, the best thing to do is to replace the belt and the malfunction will be corrected almost every time.

A high-pitched screech on the Toyota Rav 4:

Indeed, it is the most common problem, and the least serious. It often comes cold, but may reappear when you are driving sometimes. On the other hand, it disappears instantly. This noise is usually caused when the accessory belt is slack. All you need to do is tighten and it's over. Be careful, if it remains in this condition for a long time, the belt may be damaged and cause a more serious problem at the end. This sharp noise sometimes also occurs when the damper pulley is damaged, however it is rather rare.

A slight whistling or hissing sound on the Toyota Corolla:

This is the opposite of the problem before. Your belt is probably too tight or too small. You know what you are going to have to do!

Alternator noise on a Toyota Corolla

In the event that it is in fact the alternator which produces this noise and not the belt, in this situation the problems will be totally unique. However, the noise that we hear may have similarities to that of a belt, so a high hiss. The malfunction may come from a electrical failure, this is still quite common. If ever voltage useful for the good activity of your Toyota Rav 4 is usually insufficient, this is usually seen in the lack of intensity of the warning lights or lights inside the vehicle. If the intensity squaring is excessive, it is possible that the battery indicator either in operation. In order to make a real diagnostic of the malfunction, it is quite feasible to use a voltmeter and take the tension on the plus and minus of its battery, the engine running of course. If the voltage turns out to be lower than that recommended by the battery, the malfunction will in fact come from the alternator. In this specific case, you usually need to replace it.

Conclusion:

Alternator noise generally comes from the alternator belt, but may also come from the alternator itself. Economically, an alternator belt is much cheaper than the alternator. Get the price from a auto repairer before starting repairs, because you can never be sure of the source of the malfunction. We hope this guide has helped you, if so feel free to write a comment. Have a good ride with your Toyota Rav 4.