It is never pleasurable to hear a noise from your car you don’t know where from. Thus what if you discover a serpentine belt noise that remains on your Subaru Impreza? It is very conceivable that this is a insignificant problem, but before being sure, it is better to execute some investigations. If this belt noise comes from your serpentine or driving belt, our team has written a page to support you finding and repairing it. First, we will look at the serpentine belt noises on your Subaru Impreza and then we will look at the sources of these sounds.serpentine-belt-noise-subaru-impreza

I experience noises from serpentine belt Subaru Impreza

The best strategy to check the state of your belts is to listen to your car. Immediately after you detect sounds such as squealing or bells, you should take a closer look to verify their origin. The function of the serpentine belt or driving belt of your Subaru Impreza is to transfer the movement of the engine to the secondary components that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore fundamental in the normal functionality of your car. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive distinctive engine components at variable speeds.

I hear squealing noises on my serpentine belt Subaru Impreza

This sort of squealing belt noises on Subaru Impreza, which will often be acute, can commonly arise when the engine is cold, or when the acceleration increases in intensity. . This sort of sound must be significant and it is obviously quite simple to connect it with one of these belts. To verify, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being accessible, it should not be too difficult for you to spot a belt noise on your Subaru Impreza. The reason of this problem can be connected to the damper pulley, which works as a damper to eliminate 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 an opportunity that this phenomenon is annodine. As the serpentine belt of your Subaru Impreza is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to verify the state of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I hear loud serpentine or driving belt noises Subaru Impreza

Just like squealing, a driving belt noise on your Subaru Impreza that sounds like a loud grinding sound can express a lot about its state. It is therefore imperative that you look further and locate the cause for this sound that can indicate 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 origin of this problem. Don’t forget to verify 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 hear bearing noises on the serpentine belt of my Subaru Impreza

Finally, if in your case you identify a bearing belt noise on Subaru Impreza, it is conceivable that it is connected to a serpentine belt that is too tight . Indeed, it is conceivable 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 risk 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 replace it if it is too short. If after checking all thoses alternatives, you still notice a belt noises, read our article about timing belt noises on Subaru Impreza which could maybe help you.