It is never pleasing to find out a noise from your car you don’t know where from. Then what if you notice a serpentine belt noise that lasts on your Alfa Romeo 147? It is extremely possible that this is a minimal problem, but before being sure, it is better to carry out some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and fixing it. First, we will look at the serpentine belt noises on your Alfa Romeo 147 and then we will look at the sources of these noises.
I experience noises from serpentine belt Alfa Romeo 147
The best technique to control the state of your belts is to listen to your vehicle. As soon as you recognise noises such as squealing or bells, you should take a closer look to check their source. The function of the serpentine belt or driving belt of your Alfa Romeo 147 is to transmit the movement of the engine to the secondary parts that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore important in the normal operation of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive distinctive engine parts at variable speeds.
I find out squealing noises on my serpentine belt Alfa Romeo 147
This type of squealing belt noises on Alfa Romeo 147, which will often be acute, can commonly appear when the engine is cold, or when the acceleration increases in intensity. . This type of noise must be heavy and it is obviously quite simple to link it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being visible, it should not be too difficult for you to spot a belt noise on your Alfa Romeo 147. The reason of this problem can be related to the damper pulley, which functions as a damper to eradicate irregularities in the tension in the motor cycle and therefore in the energy transmission to the belt. This results in a loose belt that will jerk. However, you still have the opportunity that this event is annodine. As the serpentine belt of your Alfa Romeo 147 is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to check the state of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.
I find out loud serpentine or driving belt noises Alfa Romeo 147
Just like squealing, a driving belt noise on your Alfa Romeo 147 that sounds like a loud grinding sound can tell you a lot about its state. It is therefore important that you look further and find the reason for this sound that can signal the end of your belt’s life. Like squealing noise, it can be identified in most cases when cold . It generally means a worn pulley whose streaks no longer allow it to be driven correctly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this problem. Remember to check first the serpentine/driving belt which in most cases is the reason of this problem, otherwise it will be necessary to swap the tensioner or pulley.
I find out bearing noises on the serpentine belt of my Alfa Romeo 147
Finally, if in your case you recognize a bearing belt noise on Alfa Romeo 147, it is possible that it is related to a serpentine belt that is too tight . Indeed, it is possible that its size may be smaller than recommended and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The problem in this case is that the bearing bearings or the Damper pulley may fail . Remember, therefore, to stretch the belt to limit the risks or to swap it if it is too short. If after checking all thoses alternatives, you still identify a belt noises, read our article about timing belt noises on Alfa Romeo 147 which could maybe help you.
