When you identify unusual sounds on your Scion tC you tend to worry about them. Specifically when you feel a noise when you accelerate on your Scion tC. It is instantly assimilated to an engine problem and can therefore be severe. As we know that you do not take these problems lightly, we have chosen to create this content page to help 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 Scion tC, then what is a whistling or ratling noise at the acceleration of my Scion tC, then the origins of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.
Ma Scion tC makes a high-pitched noise when I accelerate:
If your Scion tC 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 determine if this noise shows up abruptly 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 Scion tC’s engine and although it is less important than the timing belt it can bring about engine problem if it breaks. 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, examine the condition of your belt and its tension. If it causes this acceleration noise on Scion tC, go to your technician.
Ma Scion tC makes whining noise when I accelerate:
- Rattling or whistling noise created 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 Scion tC, it is possible that your turbo is failing and some of its components are at the end of their life. Check it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you perceive this blowing or whistling noise on your car, feel free to refer to this article about turbo noises on Scion tC, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Scion tC, 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 locate the origin of this acceleration sound.
Ma Scion tC 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 Scion tC gets loud, then you will have to look at the rolling parts of your car. In fact, if this loud noise does not occur when you iddle, it is certainly in connection with your transmission, and, in general, to your wheels. The most basic reason is the state of your bearings, so make sure to examine their state to make sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Scion tC noise wheels.
Ma Scion tC produces a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Scion tC 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. In fact, the clutch release bearings must be swapped approximately every 120 000 / 130 000km. To check 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 symptoms, go to your mechanic to replace the clutch release bearings on your Scion tC. Go through our article on clutch noise on Scion tC for more information.
