When you detect uncommon sounds on your Volvo XC90 you tend to worry about them. Especially when you feel a noise when you accelerate on your Volvo XC90. It is instantly assimilated to an engine unit problem and can therefore be critical. As we know that you do not take these complications lightly, we have chosen to write this article to support you find the causes and eliminate this concern as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Volvo XC90, then what is a whistling or ratling noise at the acceleration of my Volvo XC90, then the sources of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.noise-when-acceleratingvolvo-xc90

Ma Volvo XC90 makes a high-pitched noise when I accelerate:

If your Volvo XC90 produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the reason of your problem. You will need to establish if this noise appears suddenly 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 Volvo XC90’s engine and although it is less crucial than the timing belt it can cause engine failure 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 responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Volvo XC90, go to your auto mechanic.

Ma Volvo XC90 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 Volvo XC90, it is conceivable that your turbo is declining and some of its elements are at the end of their life. Check it and change it if it is the reason, otherwise you risk blockage your engine in the long run. If you listen to this blowing or whistling noise on your car, feel free to read this content page about turbo noises on Volvo XC90, 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 Volvo XC90, 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 origin of this acceleration sound.

Ma Volvo XC90 produces 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 XC90 gets loud, then you will have to check out the rolling parts of your automobile. Indeed, if this loud noise does not appear when you iddle, it is surely linked to your transmission, and, in general, to your wheels. The most regular cause is the state of your bearings, so don’t forget to check their state to make 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 Volvo XC90 noise wheels.

Ma Volvo XC90 makes a noise when I accelerate that ceases when I stop accelerating:

Finally, if you experience a noise when accelerating with your Volvo XC90 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 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 technician to swap the clutch release bearings on your Volvo XC90. Read our article on clutch noise on Volvo XC90 for more information.