When you detect uncommon noises on your Toyota Prius 2 you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Toyota Prius 2. It is immediately assimilated to an engine unit issue and can therefore be severe. As we know that you do not take these trouble lightly, we have chosen to create this document to support you find the causes and get rid of this issues as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Toyota Prius 2, then what is a whistling or ratling noise at the acceleration of my Toyota Prius 2, then the sources of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.
Ma Toyota Prius 2 makes a high-pitched noise when I accelerate:
If your Toyota Prius 2 makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your issue. You will need to establish if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to bring power to the secondary components of your Toyota Prius 2’s engine and although it is less important than the timing belt it can cause engine troubles if it stops working. This sound 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, examine the state of your belt and its tension. If it causes this acceleration noise on Toyota Prius 2, go to your auto technician.
Ma Toyota Prius 2 makes whining noise when I accelerate:
- Rattling or whistling noise caused by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your Toyota Prius 2, it is conceivable 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 reason, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this document about turbo noises on Toyota Prius 2, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Toyota Prius 2, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the complete air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Toyota Prius 2 makes 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 2 gets loud, then you will have to think about the rolling parts of your car. In fact, if this loud noise does not occur when you iddle, it is surely connected to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so don’t forget to examine their state to be 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 Toyota Prius 2 noise wheels.
Ma Toyota Prius 2 generates a noise when I accelerate that ends when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Toyota Prius 2 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 cause. In fact, the clutch release bearings must be changed almost every 120 000 / 130 000km. To evaluate 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 technician to change the clutch release bearings on your Toyota Prius 2. Go through our article on clutch noise on Toyota Prius 2 for more information.
