You may already know this, however the alternator is an essential element in an engine. He himself is the one who guarantees to change energy the engine of your Volvo 780 in Electricity supply so as to recharge the battery. If there is a problem, this can usually cause electrical failures. It therefore remains essential to deal with it. However, the concern may also come from your belt, sometimes pulleys. We will see from this text where the problems according to the noise that comes out.noise-alternator Volvo-780

Noise alternator belt on a Volvo 780

La alternator belt, also called accessory belt, proves to be the capital element which contributes to the good action of the alternator. It is this which by its convolution drives the alternator and will create electricity. However, it also serves to train others pumps of the motor. If it ever destroys, the latter can make damages pretty serious within the engine of this Volvo 780.

A metallic noise on the Volvo 780:

Here is a noise which generally comes Cold. The most classic origin is that the streaks of this belt are deteriorated. However it could also happen in the case where the pulley is a tantiner out of gon. In the event that the belt falls apart it can naturally break. If you recognize this noise, the ideal will be to replace the belt and the problem will be almost completely erased.

A sharp squeal on the Volvo 780:

Indeed, it is the most frequent hassle, but also the least important. It often comes out cold, but can come back when you are driving at times. However, it suddenly stops. This noise usually comes as soon as the accessory belt is relaxed. It is necessary to tender and it's done. Be careful, in the event that it remains in this situation for too long, the belt may deteriorate and cause more serious concern in the long term. This sharp squeak also happens sometimes when the damper pulley happens to be damaged, however it is less common.

A slight hiss or breath on the Volvo 780:

It's the opposite of the hassle of the last example. Your strap is certainly far too tight or even too short. You can imagine what you have to do!

Alternator noise on a Volvo 780

Assumed that it is really the alternator that makes the noise and not your belt, in this case the malfunctions will be completely divergent. However, the noise you hear may have similarities to that of a strap, i.e. high hiss. The malfunction may result from a electrical failure, this remains rather usual. In case the voltage essential to the good activity of your Volvo 780 is usually low, this usually refers to the lack of intensity of the lights or lights inside your automobile. If ever the lack of intensity is out of the ordinary, it may be that the battery indicator can be running. In order to make a good diagnostic of your malfunction, it is entirely feasible to use a voltmeter in order to probe the tension on the plus and the - of the battery, with the ignition on obviously. Assuming that the voltage turns out to be lower than that recommended on the battery, the concern could consequently come from the alternator. In this specific case, it will generally have to be replaced.

Conclusion:

A new alternator noise generally comes from the alternator belt, but can also come from the alternator itself. financially, an alternator belt is much cheaper compared to the alternator. Request a quote from a mechanic before embarking on repairs, as you can never be sure of the source of the problem. Hope this guide has served you well, if so you can write a comment. Have a good trip with your Volvo 780.