When you notice irregular noises on your volvo v40 you tend to concerns about them. Especially when you feel a noise when you accelerate on your volvo v40. It is automatically assimilated to an engine unit problem and can therefore be considerable. As we know that you do not take these trouble lightly, we have chosen to produce this content to help you find the causes and get rid of this matter as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my volvo v40, then what is a whistling or ratling noise at the acceleration of my volvo v40, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.noise-when-acceleratingvolvo-v40

Ma volvo v40 makes a high-pitched noise when I accelerate:

If your volvo v40 generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your problem. 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 utilized to get power to the secondary components of your volvo v40’s engine and although it is less important than the timing belt it can induce engine damage if it stops working. This sound may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on volvo v40, go to your mechanic.

Ma volvo v40 makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your volvo v40, it is possible that your turbo is failing and some of its components are at the end of their life. Examine it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to consult this article about turbo noises on volvo v40, if you would like more information.

  • 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 volvo v40, 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 volvo v40 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 volvo v40 gets loud, then you will have to check out the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is surely linked to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so make sure you check their condition to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to volvo v40 noise wheels.

Ma volvo v40 generates a noise when I accelerate that ends when I stop accelerating:

Finally, if you encounter a noise when accelerating with your volvo v40 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 cause. Indeed, the clutch release bearings must be replaced almost every 120 000 / 130 000km. To check 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 mechanic to swap the clutch release bearings on your volvo v40. Read our article on clutch noise on volvo v40 for more information.