When you identify uncommon sounds on your Subaru Impreza you tend to stress about them. Specifically when you feel a noise when you accelerate on your Subaru Impreza. It is automatically assimilated to an engine motor problem and can therefore be serious. As we know that you do not take these problems lightly, we have made a decision to prepare this content page to support 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 Subaru Impreza, then what is a whistling or ratling noise at the acceleration of my Subaru Impreza, then the origins of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.noise-when-acceleratingsubaru-impreza

Ma Subaru Impreza makes a high-pitched noise when I accelerate:

If your Subaru Impreza generates a loud noise when you accelerate, it is quite possible that the alternator belt is the induce of your problem. You will need to define if this noise occurs suddenly 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 Subaru Impreza’s engine and although it is less important than the timing belt it can cause engine troubles if it stops working. This noise may be a 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 Subaru Impreza, go to your technician.

Ma Subaru Impreza 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 Subaru Impreza, it is plausible that your turbo is failing and some of its parts are at the end of their life. Verify it and change it if it is the induce, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to read this article about turbo noises on Subaru Impreza, 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 Subaru Impreza, 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 origin of this acceleration sound.

Ma Subaru Impreza 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 Subaru Impreza gets loud, then you will have to think about the rolling parts of your automobile. Indeed, if this loud noise does not appear when you iddle, it is surely 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 check their condition to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Subaru Impreza noise wheels.

Ma Subaru Impreza generates a noise when I accelerate that ends when I stop accelerating:

At last, if you encounter a noise when accelerating with your Subaru Impreza 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 reason. Indeed, the clutch release bearings must be swapped approximately 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 manifestations, go to your auto technician to replace the clutch release bearings on your Subaru Impreza. Go through our article on clutch noise on Subaru Impreza for more information.