When you notice irregular noises on your Audi A2 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Audi A2. It is immediately assimilated to an engine problem and can therefore be significant. As we know that you do not take these complications lightly, we have decided to compose this document to support you find the causes and eliminate this concern as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Audi A2, then what is a whistling or ratling noise at the acceleration of my Audi A2, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Audi A2 makes a high-pitched noise when I accelerate:
If your Audi A2 generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your problem. You will need to determine if this noise shows up 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 Audi A2’s engine and although it is less important than the timing belt it can bring about engine failure if it stops working. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, examine the state of your belt and its tension. If it causes this acceleration noise on Audi A2, go to your mechanic.
Ma Audi A2 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 comes with the rattling noise when you accelerate with your Audi A2, it is possible that your turbo is failing and some of its elements are at the end of their life. Examine it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this article about turbo noises on Audi A2, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your Audi A2, 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 determine the origin of this acceleration sound.
Ma Audi A2 generates 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 Audi A2 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 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 examine their state to be 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 Audi A2 noise wheels.
Ma Audi A2 creates a noise when I accelerate that ends when I stop accelerating:
At last, if you encounter a noise when accelerating with your Audi A2 and this noise which could be a cliking sound tends to reduce 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 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 Audi A2. Go through our article on clutch noise on Audi A2 for more information.