When you identify abnormal sounds on your Toyota Highlander you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Toyota Highlander. It is instantly assimilated to an engine unit problem and can therefore be critical. As we know that you do not take these trouble lightly, we have made a decision to compose this article to support you find the causes and eliminate 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 Highlander, then what is a whistling or ratling noise at the acceleration of my Toyota Highlander, then the origins of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.noise-when-acceleratingtoyota-highlander

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

If your Toyota Highlander makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your problem. You will need to determine if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to supply power to the secondary components of your Toyota Highlander’s engine and although it is less vital than the timing belt it can generate engine troubles if it breaks. 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 condition of your belt and its tension. If it causes this acceleration noise on Toyota Highlander, go to your auto mechanic.

Ma Toyota Highlander makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Toyota Highlander, it is possible that your turbo is screwing up and some of its components are at the end of their life. Verify it and change it if it is the reason, otherwise you risk blockage your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to consult this content about turbo noises on Toyota Highlander, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not experience any power loss due to an humming noise on your Toyota Highlander, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the whole air supply system from your air filter to your engine to determine the starting point of this acceleration sound.

Ma Toyota Highlander 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 Highlander gets loud, then you will have to check the rolling parts of your automobile. Indeed, if this loud noise does not emerge when you iddle, it is surely in connection with 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 condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Toyota Highlander noise wheels.

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

At last, if you encounter a noise when accelerating with your Toyota Highlander and this noise which could be a cliking sound tends to stop 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 approximately every 120 000 / 130 000km. To evaluate 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 auto technician to swap the clutch release bearings on your Toyota Highlander. Go through our article on clutch noise on Toyota Highlander for more information.