When you come across irregular noises on your Alfa Romeo Giulietta you tend to stress about them. Specifically when you feel a noise when you accelerate on your Alfa Romeo Giulietta. It is right away assimilated to an engine unit problem and can therefore be considerable. As we know that you do not take these trouble lightly, we have decided to create this content to help you find the causes and wipe out this matter as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Alfa Romeo Giulietta, then what is a whistling or ratling noise at the acceleration of my Alfa Romeo Giulietta, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Alfa Romeo Giulietta makes a high-pitched noise when I accelerate:
If your Alfa Romeo Giulietta makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your problem. You will need to identify if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is employed to get power to the secondary components of your Alfa Romeo Giulietta’s engine and although it is less crucial than the timing belt it can generate engine failure if it breaks. This noise may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Alfa Romeo Giulietta, go to your technician.
Ma Alfa Romeo Giulietta makes whining noise when I accelerate:
- Rattling or whistling noise created by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your Alfa Romeo Giulietta, it is possible that your turbo is failing and some of its components are at the end of their life. Check it and swap it if it is the cause, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling noise on your car, feel free to refer to this document about turbo noises on Alfa Romeo Giulietta, if you would like more details.
If, on the other hand, you do not get any power loss due to an humming noise on your Alfa Romeo Giulietta, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the whole air supply system from your air filter to your engine to locate the starting point of this acceleration sound.
Ma Alfa Romeo Giulietta 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 Alfa Romeo Giulietta gets loud, then you will have to think about the rolling parts of your automobile. Indeed, if this loud noise does not show up when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so remember to examine their condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Alfa Romeo Giulietta noise wheels.
Ma Alfa Romeo Giulietta produces a noise when I accelerate that ceases when I stop accelerating:
At last, if you experience a noise when accelerating with your Alfa Romeo Giulietta 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 cause. Indeed, the clutch release bearings must be swapped approximately every 120 000 / 130 000km. To test it, you just have to see if you have more difficulty than every time 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 technician to replace the clutch release bearings on your Alfa Romeo Giulietta. Look at our article on clutch noise on Alfa Romeo Giulietta for more information.
