When you observe unusual noises on your Audi A8 you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Audi A8. It is right away assimilated to an engine problem and can therefore be significant. As we know that you do not take these disorders lightly, we have decided to prepare this article to help you find the causes and wipe out 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 A8, then what is a whistling or ratling noise at the acceleration of my Audi A8, then the sources of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.
Ma Audi A8 makes a high-pitched noise when I accelerate:
If your Audi A8 makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your problem. You will need to establish if this noise takes place suddenly and if it can stop as it started. The alternator belt is a wearing part that is used to bring power to the secondary components of your Audi A8’s engine and although it is less important than the timing belt it can induce engine failure if it fails. 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, verify the condition of your belt and its tension. If it causes this acceleration noise on Audi A8, go to your technician.
Ma Audi A8 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 accompanies the rattling noise when you accelerate with your Audi A8, it is conceivable that your turbo is screwing up and some of its elements are at the end of their life. Examine it and replace it if it is the reason, 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 read this content about turbo noises on Audi A8, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Audi A8, 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 discover the starting point of this acceleration sound.
Ma Audi A8 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 Audi A8 gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not show up when you iddle, it is certainly related to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so don’t forget to verify their state to be sure it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Audi A8 noise wheels.
Ma Audi A8 makes a noise when I accelerate that ceases when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Audi A8 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. Indeed, the clutch release bearings must be changed almost 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 manifestations, go to your auto technician to replace the clutch release bearings on your Audi A8. Look at our article on clutch noise on Audi A8 for more information.
