When you find out about uncommon noises on your Fiat 500 you tend to stress about them. Especially when you feel a noise when you accelerate on your Fiat 500. It is immediately assimilated to an engine motor problem and can therefore be considerable. As we know that you do not take these problems lightly, we have decided to create this content to help you find the causes and eradicate 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, then what is a whistling or ratling noise at the acceleration of my Fiat 500, then the sources of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.noise-when-acceleratingfiat-500

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

If your Fiat 500 produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your problem. You will need to define if this noise appears suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to carry power to the secondary components of your Fiat 500’s engine and although it is less crucial than the timing belt it can induce engine failure if it breaks. This sound may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Fiat 500, go to your technician.

Ma Fiat 500 makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Fiat 500, it is possible that your turbo is declining and some of its parts are at the end of their life. Check it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to read this content page about turbo noises on Fiat 500, if you would like more details.

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

Ma Fiat 500 produces 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 gets loud, then you will have to check the rolling parts of your automobile. Indeed, if this loud noise does not emerge when you iddle, it is necessarily connected to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so make sure to verify their condition to be sure it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to Fiat 500 noise wheels.

Ma Fiat 500 makes a noise when I accelerate that ends when I stop accelerating:

At last, if you encounter a noise when accelerating with your Fiat 500 and this noise which could be a cliking sound tends to stop when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. Indeed, the clutch release bearings must be replaced approximately every 120 000 / 130 000km. To check it, you just have to see if you have more difficulty than usually shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these manifestations, go to your auto mechanic to swap the clutch release bearings on your Fiat 500. Go through our article on clutch noise on Fiat 500 for more information.