When you discover abnormal noises on your Audi S5 you tend to worry about them. Especially when you feel a noise when you accelerate on your Audi S5. It is instantly assimilated to an engine unit trouble and can therefore be significant. As we know that you do not take these disorders lightly, we have decided to write this content page to help you find the causes and eradicate this matter 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 S5, then what is a whistling or ratling noise at the acceleration of my Audi S5, then the origins of a noise that intensifies during acceleration and at last a noise that stops when I stop accelerating.noise-when-acceleratingaudi-s5

Ma Audi S5 makes a high-pitched noise when I accelerate:

If your Audi S5 generates a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your trouble. You will need to determine if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to supply power to the secondary components of your Audi S5’s engine and although it is less crucial than the timing belt it can generate engine problem if it breaks. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Audi S5, go to your mechanic.

Ma Audi S5 makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Audi S5, it is conceivable that your turbo is declining and some of its parts are at the end of their life. Check it and change it if it is the cause, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to consult this document about turbo noises on Audi S5, if you would like more info.

  • 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 Audi S5, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to determine the starting point of this acceleration sound.

Ma Audi S5 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 S5 gets loud, then you will have to check out the rolling parts of your vehicle. Indeed, if this loud noise does not appear when you iddle, it is certainly related to your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so remember to check their condition to ensure that 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 S5 noise wheels.

Ma Audi S5 makes a noise when I accelerate that ceases when I stop accelerating:

To finish, if you encounter a noise when accelerating with your Audi S5 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 swapped 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 swap the clutch release bearings on your Audi S5. Go through our article on clutch noise on Audi S5 for more information.