It is never pleasing to listen to a noise from your car you don’t know where from. So what if you locate a serpentine belt noise that stays on your GMC Sierra? It is highly conceivable that this is a minimal problem, but before being sure, it is better to operate some checks. If this belt noise comes from your serpentine or driving belt, our team has written an article to support you finding and repairing it. First, we will look at the serpentine belt noises on your GMC Sierra and then we will check out the origins of these sounds.serpentine-belt-noise-gmc-sierra

I experience noises from serpentine belt GMC Sierra

The best way to control the state of your belts is to listen to your vehicle. As soon as you recognize sounds such as squealing or bells, you should take a closer look to check their source. The role of the serpentine belt or driving belt of your GMC Sierra is to transmit 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 vital in the normal functionality 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 components at variable speeds.

I listen to squealing noises on my serpentine belt GMC Sierra

This kind of squealing belt noises on GMC Sierra, which will often be acute, can in most cases appear when the engine is cold, or when the acceleration increases in intensity. . This kind of sound must be heavy and it is obviously quite simple to associate 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 accessible, it should not be too complicated for you to identify a belt noise on your GMC Sierra. The cause of this problem can be in connection with the damper pulley, which works 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 an opportunity that this event is annodine. As the serpentine belt of your GMC Sierra 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 replace it, otherwise simply tighten the belt.

I listen to loud serpentine or driving belt noises GMC Sierra

Just like squealing, a driving belt noise on your GMC Sierra that sounds like a loud grinding sound can reveal a lot about its state. It is therefore imperative that you look further and locate the cause 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 cause of this problem, otherwise it will be necessary to replace the tensioner or pulley.

I listen to bearing noises on the serpentine belt of my GMC Sierra

Finally, if in your case you discern a bearing belt noise on GMC Sierra, it is conceivable that it is in connection with a serpentine belt that is too tight . Indeed, it is conceivable that its size may be smaller than prescribed 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 GMC Sierra which could maybe help you.