When you find out about uncommon sounds on your Toyota Prius you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Toyota Prius. It is instantly assimilated to an engine unit problem and can therefore be significant. As we know that you do not take these trouble lightly, we have made a decision to produce this article to help you find the causes and wipe out this issues as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Toyota Prius, then what is a whistling or ratling noise at the acceleration of my Toyota Prius, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.noise-when-acceleratingtoyota-prius

Ma Toyota Prius makes a high-pitched noise when I accelerate:

If your Toyota Prius produces a loud noise when you accelerate, it is quite possible that the alternator belt is the induce of your problem. You will need to identify if this noise shows up suddenly and if it can stop as it started. The alternator belt is a wearing part that is employed to supply power to the secondary components of your Toyota Prius’s engine and although it is less vital than the timing belt it can generate engine failure if it breaks. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, verify the state of your belt and its tension. If it causes this acceleration noise on Toyota Prius, go to your mechanic.

Ma Toyota Prius makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Toyota Prius, it is plausible that your turbo is screwing up and some of its elements are at the end of their life. Examine it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you listen to this blowing or whistling sound on your car, feel free to read this document about turbo noises on Toyota Prius, 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 Toyota Prius, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the complete air supply system from your air filter to your engine to discover the origin of this acceleration sound.

Ma Toyota Prius 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 Toyota Prius gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not surface when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so don’t forget to verify their state to be sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Toyota Prius noise wheels.

Ma Toyota Prius makes a noise when I accelerate that ceases when I stop accelerating:

At last, if you encounter a noise when accelerating with your Toyota Prius 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 almost every 120 000 / 130 000km. To test 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 signs of illness, go to your auto technician to replace the clutch release bearings on your Toyota Prius. Look at our article on clutch noise on Toyota Prius for more information.