When you discover irregular sounds on your Lexus GX you tend to concerns about them. Especially when you feel a noise when you accelerate on your Lexus GX. It is automatically assimilated to an engine motor trouble and can therefore be considerable. As we know that you do not take these trouble lightly, we have decided to create this content page to support you find the causes and wipe out 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 Lexus GX, then what is a whistling or ratling noise at the acceleration of my Lexus GX, then the origins of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.
Ma Lexus GX makes a high-pitched noise when I accelerate:
If your Lexus GX makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your trouble. 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 carry power to the secondary components of your Lexus GX’s engine and although it is less important than the timing belt it can induce engine troubles if it stops working. This noise may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Lexus GX, go to your mechanic.
Ma Lexus GX 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 occurs with the rattling noise when you accelerate with your Lexus GX, it is conceivable that your turbo is declining and some of its components are at the end of their life. Verify it and replace it if it is the cause, otherwise you risk clogging your engine in the long run. If you perceive this blowing or whistling noise on your car, feel free to consult this document about turbo noises on Lexus GX, if you would like more details.
If, on the other hand, you do not get any power loss due to an humming noise on your Lexus GX, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Lexus GX 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 GX gets loud, then you will have to check the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is certainly connected to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so remember to check their state to make 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 GX noise wheels.
Ma Lexus GX generates a noise when I accelerate that ends when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Lexus GX 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. Indeed, the clutch release bearings must be swapped approximately every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than every time 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 mechanic to replace the clutch release bearings on your Lexus GX. Look at our article on clutch noise on Lexus GX for more information.
