When you find out about abnormal noises on your Infiniti QX30 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Infiniti QX30. It is immediately assimilated to an engine motor trouble and can therefore be serious. As we know that you do not take these disorders lightly, we have chosen to prepare this document to support you find the causes and get rid of this concern 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 QX30, then what is a whistling or ratling noise at the acceleration of my Infiniti QX30, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.noise-when-acceleratinginfiniti-qx30

Ma Infiniti QX30 makes a high-pitched noise when I accelerate:

If your Infiniti QX30 generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to identify if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to bring power to the secondary components of your Infiniti QX30’s engine and although it is less important than the timing belt it can induce engine damage 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 at fault. In any case, examine the state of your belt and its tension. If it causes this acceleration noise on Infiniti QX30, go to your auto technician.

Ma Infiniti QX30 makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Infiniti QX30, it is conceivable that your turbo is screwing up and some of its components are at the end of their life. Check it and swap it if it is the cause, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling noise on your car, feel free to consult this content page about turbo noises on Infiniti QX30, if you would like more info.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not get any power loss due to an humming noise on your Infiniti QX30, 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 starting point of this acceleration sound.

Ma Infiniti QX30 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 Infiniti QX30 gets loud, then you will have to look at the rolling parts of your car. In fact, if this loud noise does not emerge when you iddle, it is certainly linked 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 ensure that it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Infiniti QX30 noise wheels.

Ma Infiniti QX30 creates a noise when I accelerate that ends when I stop accelerating:

Finally, if you encounter a noise when accelerating with your Infiniti QX30 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 changed almost every 120 000 / 130 000km. To test 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 mechanic to replace the clutch release bearings on your Infiniti QX30. Look at our article on clutch noise on Infiniti QX30 for more information.