It is never pleasing to hear a noise from your car you don’t know where from. Then what if you identify a serpentine belt noise that persists on your Mercedes Benz CLA Class? It is extremely plausible that this is a insignificant trouble, 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 content to support you locating and repairing it. First, we will look at the serpentine belt noises on your Mercedes Benz CLA Class and then we will check out the sources of these noises.
I encounter noises from serpentine belt Mercedes Benz CLA Class
The best method to check the condition 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 verify their origin. The role of the serpentine belt or driving belt of your Mercedes Benz CLA Class 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 critical in the normal general performance of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the capacity to drive different engine parts at variable speeds.
I hear squealing noises on my serpentine belt Mercedes Benz CLA Class
This sort of squealing belt noises on Mercedes Benz CLA Class, which will often be acute, can generally happen when the engine is cold, or when the acceleration increases in intensity. . This sort of noise must be significant and it is often quite simple to link 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 complicated for you to point a belt noise on your Mercedes Benz CLA Class. The cause of this trouble can be in connection with the damper pulley, which operates 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 possibility that this event is annodine. As the serpentine belt of your Mercedes Benz CLA Class is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Keep in mind to verify the condition 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 Mercedes Benz CLA Class
Just like squealing, a driving belt noise on your Mercedes Benz CLA Class that sounds like a loud grinding sound can tell you a lot about its condition. It is therefore important that you look further and find the reason 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 possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this trouble. Remember to verify 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 hear bearing noises on the serpentine belt of my Mercedes Benz CLA Class
Finally, if in your case you identify a bearing belt noise on Mercedes Benz CLA Class, 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 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 possibilities, you still detect a belt noises, read our article about timing belt noises on Mercedes Benz CLA Class which could maybe help you.
