When you detect abnormal sounds on your Alfa Romeo Giulia you tend to worry about them. Specifically when you feel a noise when you accelerate on your Alfa Romeo Giulia. It is instantly assimilated to an engine issue and can therefore be severe. As we know that you do not take these disorders lightly, we have chosen to write this document to help you find the causes and wipe out 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 Alfa Romeo Giulia, then what is a whistling or ratling noise at the acceleration of my Alfa Romeo Giulia, then the origins of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.
Ma Alfa Romeo Giulia makes a high-pitched noise when I accelerate:
If your Alfa Romeo Giulia makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your issue. You will need to define if this noise happens suddenly 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 Alfa Romeo Giulia’s engine and although it is less important than the timing belt it can bring about engine damage if it fails. 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, check the condition of your belt and its tension. If it causes this acceleration noise on Alfa Romeo Giulia, go to your auto mechanic.
Ma Alfa Romeo Giulia makes whining noise when I accelerate:
- Rattling or whistling noise generated by the turbo
- Humming noise caused by air leakage
If you have a power loss that occurs with the rattling noise when you accelerate with your Alfa Romeo Giulia, it is conceivable that your turbo is failing and some of its parts are at the end of their life. Verify it and replace it if it is the cause, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to consult this article about turbo noises on Alfa Romeo Giulia, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Alfa Romeo Giulia, 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 starting point of this acceleration sound.
Ma Alfa Romeo Giulia 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 Giulia gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not occur when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most regular cause is the state of your bearings, so remember to check their state to be sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Alfa Romeo Giulia noise wheels.
Ma Alfa Romeo Giulia makes a noise when I accelerate that ends when I stop accelerating:
At last, if you experience a noise when accelerating with your Alfa Romeo Giulia 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 changed around every 120 000 / 130 000km. To evaluate 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 signs of illness, go to your auto mechanic to change the clutch release bearings on your Alfa Romeo Giulia. Go through our article on clutch noise on Alfa Romeo Giulia for more information.
