It is never relaxing to discover a noise from your car you don’t know where from. Then what if you notice a serpentine belt noise that persists on your Peugeot 407? It is very possible that this is a unimportant trouble, but before being sure, it is better to conduct some inspections. If this belt noise comes from your serpentine or driving belt, our team has written a post to help you locating and correcting it. First, we will look at the serpentine belt noises on your Peugeot 407 and then we will take a look at the sources of these noises.
I encounter noises from serpentine belt Peugeot 407
The best way to check the condition of your belts is to listen to your automobile. Immediately after you find noises such as squealing or bells, you should take a closer look to examine their origin. The role of the serpentine belt or driving belt of your Peugeot 407 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 important in the normal operation of your automobile. 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 discover squealing noises on my serpentine belt Peugeot 407
This kind of squealing belt noises on Peugeot 407, which will often be acute, can commonly happen when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be significant and it is normally quite simple to link it with one of these belts. To examine, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being apparent, it should not be too complicated for you to spot a belt noise on your Peugeot 407. The cause of this trouble can be linked to the damper pulley, which works as a damper to reduce 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 Peugeot 407 is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to examine the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.
I discover loud serpentine or driving belt noises Peugeot 407
Just like squealing, a driving belt noise on your Peugeot 407 that sounds like a loud grinding sound can tell you a lot about its condition. It is therefore essential 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 properly. Other possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this trouble. Make sure to examine first the serpentine/driving belt which in most cases is the cause of this trouble, otherwise it will be necessary to swap the tensioner or pulley.
I discover bearing noises on the serpentine belt of my Peugeot 407
Finally, if in your case you recognize a bearing belt noise on Peugeot 407, it is possible that it is linked 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 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 possibilities, you still perceive a belt noises, read our article about timing belt noises on Peugeot 407 which could maybe help you.
