When you find out about irregular sounds on your Infiniti Q50 you tend to stress about them. Especially when you feel a noise when you accelerate on your Infiniti Q50. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these disorders lightly, we have decided to prepare this document to help you find the causes and eradicate 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 Infiniti Q50, then what is a whistling or ratling noise at the acceleration of my Infiniti Q50, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.noise-when-acceleratinginfiniti-q50

Ma Infiniti Q50 makes a high-pitched noise when I accelerate:

If your Infiniti Q50 makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your trouble. You will need to determine if this noise appears abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to get power to the secondary components of your Infiniti Q50’s engine and although it is less crucial than the timing belt it can bring about engine failure if it stops working. This noise 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 state of your belt and its tension. If it causes this acceleration noise on Infiniti Q50, go to your auto technician.

Ma Infiniti Q50 makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Infiniti Q50, it is possible that your turbo is declining and some of its components are at the end of their life. Check it and change it if it is the reason, otherwise you risk clogging your engine in the long run. If you listen to this blowing or whistling noise on your car, feel free to refer to this article about turbo noises on Infiniti Q50, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not feel any power loss due to an humming noise on your Infiniti Q50, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to determine the source of this acceleration sound.

Ma Infiniti Q50 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 Infiniti Q50 gets loud, then you will have to check the rolling parts of your vehicle. In fact, if this loud noise does not appear 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 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 content page about the noises related to Infiniti Q50 noise wheels.

Ma Infiniti Q50 generates a noise when I accelerate that ceases when I stop accelerating:

To finish, if you experience a noise when accelerating with your Infiniti Q50 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. In fact, the clutch release bearings must be swapped approximately every 120 000 / 130 000km. To check it, you just have to see if you have more difficulty than usually 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 mechanic to swap the clutch release bearings on your Infiniti Q50. Look at our article on clutch noise on Infiniti Q50 for more information.