It may not be unknown to you, however the alternator is an essential element within an engine. It is himself who guarantees to transform energy of the engine block of your Toyota Prius 4 in Electricity supply in order to recharge the battery. If there is ever a malfunction, it could therefore cause most of the electrical breakdowns. It therefore seems essential to pay attention to it. However, the problem could mainly come from the belt, sometimes pulleys. We will see through this guide where will be able to come problems according to the noise that comes out.
Noise alternator belt on a Toyota Prius 4
La alternator belt, also called an accessory belt, is the capital component which contributes to the proper functioning of the alternator. It is it which via its convolution drives the alternator and will make it possible to produce electricity. However, it also serves to train others pumps of the engine block. If it breaks, the latter can make damages rather important in the engine of the Toyota Prius 4.
A metallic noise on the Toyota Prius 4:
This is a noise that generally comes Cold. The most common cause is that some of the streaking on the belt turns out to be damaged. However, this could also occur when the pulley is very slightly offset. If the belt breaks down, it can of course break. If it happens that you recognize this noise, the ideal will be to replace the belt and the problem will be corrected practically without fail.
A sharp squeal on the Toyota Prius 4:
Indeed, it is the most frequent problem, but also the least serious. It often comes from cold, but can reappear even when hot from time to time. However, it disappears instantly. This noise usually comes from when the accessory belt is slack. It will suffice tender and it's done! Be careful, when it remains in this situation for too long, the belt may be damaged and cause a more serious incident in the long term. This sharp squeak also sometimes occurs when the damper pulley is damaged, however it is less common.
A slight hiss or breath on the Toyota Prius 4:
This is the opposite of the problem of the last example. Your belt is probably overly tight or too small. You know what you have left to do !
Alternator noise on a Toyota Prius 4
When it is indeed the alternator that makes the noise and not your belt, then the concerns will really be divergent. However, this emitted noise may have similarities compared to that of a belt, i.e. a high hiss. The concern can arise from a electrical failure, this remains relatively usual. In case the voltage necessary for the proper functioning of your Toyota Prius 4 remains low, it is usually seen during a lack of intensity of the lights or lights inside the car. In case the lack of intensity is excessive, it happens that the battery indicator can be in operation. So as to make a real diagnostic of your concern, it is useful to use a voltmeter to take the tension on the + and minus of the battery, the engine started of course. If the voltage is lower than that recommended by the battery, the problem will come from the alternator. In this case, it usually needs to be replaced.
Conclusion:
Alternator noise generally comes from the alternator belt, but can also come from the alternator itself. financially, an alternator belt is relatively cheaper compared to the alternator. Ask for an estimate at a mechanic rather than embarking on repairs, simply because we are not necessarily sure of the source of the problem. Hoping that this guide has served you something, in this case do not hesitate to leave a comment. See you soon with your Toyota Prius 4.