When you observe abnormal noises on your Fiat 500 L you tend to worry about them. Specifically when you feel a noise when you accelerate on your Fiat 500 L. It is automatically assimilated to an engine unit problem and can therefore be severe. As we know that you do not take these problems lightly, we have chosen to publish this article to support you find the causes and eliminate this issues as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Fiat 500 L, then what is a whistling or ratling noise at the acceleration of my Fiat 500 L, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.noise-when-acceleratingfiat-500-l

Ma Fiat 500 L makes a high-pitched noise when I accelerate:

If your Fiat 500 L makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your problem. You will need to define if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to carry power to the secondary components of your Fiat 500 L’s engine and although it is less important than the timing belt it can cause engine damage if it breaks. This sound may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Fiat 500 L, go to your auto technician.

Ma Fiat 500 L makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Fiat 500 L, it is conceivable that your turbo is declining and some of its components are at the end of their life. Examine it and change it if it is the reason, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to consult this content about turbo noises on Fiat 500 L, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not get any power loss due to an humming noise on your Fiat 500 L, it is more than likely that you have one of your junctions or air hoses that has holes. So check the complete air supply system from your air filter to your engine to determine the origin of this acceleration sound.

Ma Fiat 500 L makes an increasingly loud noise when I accelerate:

If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on Fiat 500 L gets loud, then you will have to check the rolling parts of your car. In fact, if this loud noise does not emerge when you iddle, it is certainly related to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure you check their state to make sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Fiat 500 L noise wheels.

Ma Fiat 500 L generates a noise when I accelerate that ceases when I stop accelerating:

To finish, if you experience a noise when accelerating with your Fiat 500 L and this noise which could be a cliking sound tends to end when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. In fact, the clutch release bearings must be replaced approximately every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these symptoms, go to your auto technician to replace the clutch release bearings on your Fiat 500 L. Read our article on clutch noise on Fiat 500 L for more information.