It is never relaxing to discover a noise from your car you don’t know where from. Then what if you locate a serpentine belt noise that stays on your Infiniti QX70? It is extremely plausible that this is a minimal issue, 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 locating and correcting it. First, we will look at the serpentine belt noises on your Infiniti QX70 and then we will look at the origins of these sounds.
I encounter noises from serpentine belt Infiniti QX70
The best way to control the condition of your belts is to listen to your car. As soon as you perceive sounds such as squealing or bells, you should take a closer look to check their origin. The task of the serpentine belt or driving belt of your Infiniti QX70 is to transfer 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 essential in the normal use of your car. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine parts at variable speeds.
I discover squealing noises on my serpentine belt Infiniti QX70
This type of squealing belt noises on Infiniti QX70, which will often be acute, can mostly happen 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 relate it with one of these belts. To check, 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 complicated for you to point a belt noise on your Infiniti QX70. The reason of this issue can be in connection with the damper pulley, which operates as a damper to get rid of 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 phenomenon is annodine. As the serpentine belt of your Infiniti QX70 is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to check the condition of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.
I discover loud serpentine or driving belt noises Infiniti QX70
Just like squealing, a driving belt noise on your Infiniti QX70 that sounds like a loud grinding sound can express a lot about its condition. It is therefore imperative that you look further and find 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 properly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this issue. Don’t forget to check first the serpentine/driving belt which in most cases is the reason of this issue, otherwise it will be necessary to change the tensioner or pulley.
I discover bearing noises on the serpentine belt of my Infiniti QX70
Finally, if in your case you distinguish a bearing belt noise on Infiniti QX70, it is plausible that it is in connection with a serpentine belt that is too tight . Indeed, it is plausible 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 replace it if it is too short. If after checking all thoses alternatives, you still perceive a belt noises, read our article about timing belt noises on Infiniti QX70 which could maybe help you.
