When you find out about irregular noises on your Lexus IS you tend to concerns about them. Especially when you feel a noise when you accelerate on your Lexus IS. It is instantly assimilated to an engine motor problem and can therefore be serious. As we know that you do not take these trouble lightly, we have chosen to create this article to support you find the causes and eliminate this matter as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Lexus IS, then what is a whistling or ratling noise at the acceleration of my Lexus IS, then the origins of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.noise-when-acceleratinglexus-is

Ma Lexus IS makes a high-pitched noise when I accelerate:

If your Lexus IS makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the induce of your problem. You will need to determine if this noise appears suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to get power to the secondary components of your Lexus IS’s engine and although it is less crucial than the timing belt it can cause engine damage 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 to blame. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Lexus IS, go to your auto mechanic.

Ma Lexus IS makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Lexus IS, it is conceivable that your turbo is declining and some of its elements are at the end of their life. Examine it and change it if it is the induce, otherwise you risk blockage your engine in the long run. If you discover this blowing or whistling noise on your car, feel free to refer to this content about turbo noises on Lexus IS, if you would like more information.

  • 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 Lexus IS, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the whole air supply system from your air filter to your engine to discover the source of this acceleration sound.

Ma Lexus IS 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 Lexus IS gets loud, then you will have to think about the rolling parts of your vehicle. Indeed, if this loud noise does not emerge when you iddle, it is certainly related to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure you verify their state to be sure it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Lexus IS noise wheels.

Ma Lexus IS produces a noise when I accelerate that ends when I stop accelerating:

At last, if you encounter a noise when accelerating with your Lexus IS 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 changed approximately 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 manifestations, go to your auto mechanic to replace the clutch release bearings on your Lexus IS. Go through our article on clutch noise on Lexus IS for more information.