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

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

If your Lexus NX produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. 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 get power to the secondary components of your Lexus NX’s engine and although it is less important than the timing belt it can bring about engine problem if it fails. This sound may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Lexus NX, go to your auto mechanic.

Ma Lexus NX 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 NX, it is conceivable that your turbo is declining and some of its parts are at the end of their life. Check it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to consult this article about turbo noises on Lexus NX, 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 Lexus NX, it is more than likely that you have one of your junctions or air hoses that has holes. So check the complete air supply system from your air filter to your engine to discover the origin of this acceleration sound.

Ma Lexus NX 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 Lexus NX gets loud, then you will have to check the rolling parts of your automobile. In fact, 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 basic reason is the state of your bearings, so make sure you check 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 NX noise wheels.

Ma Lexus NX generates a noise when I accelerate that stops when I stop accelerating:

Finally, if you experience a noise when accelerating with your Lexus NX 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 reason. In fact, 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 symptoms, go to your auto technician to swap the clutch release bearings on your Lexus NX. Look at our article on clutch noise on Lexus NX for more information.