When you find out about abnormal noises on your Lexus ES you tend to stress about them. Especially when you feel a noise when you accelerate on your Lexus ES. It is automatically assimilated to an engine motor trouble and can therefore be serious. As we know that you do not take these complications lightly, we have decided to publish this document to help you find the causes and eliminate this concern 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 ES, then what is a whistling or ratling noise at the acceleration of my Lexus ES, then the origins of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.
Ma Lexus ES makes a high-pitched noise when I accelerate:
If your Lexus ES generates a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your trouble. You will need to determine if this noise takes place 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 ES’s engine and although it is less crucial than the timing belt it can generate engine damage if it breaks. This sound may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Lexus ES, go to your technician.
Ma Lexus ES makes whining noise when I accelerate:
- Rattling or whistling noise caused by the turbo
- Humming noise caused by air leakage
If you have a power loss that comes with the rattling noise when you accelerate with your Lexus ES, it is possible that your turbo is failing and some of its elements are at the end of their life. Verify it and swap it if it is the reason, otherwise you risk blockage your engine in the long run. If you discover this blowing or whistling sound on your car, feel free to refer to this content page about turbo noises on Lexus ES, 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 ES, 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 discover the origin of this acceleration sound.
Ma Lexus ES generates 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 ES gets loud, then you will have to check the rolling parts of your car. 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 known reason is the state of your bearings, so don’t forget to check their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Lexus ES noise wheels.
Ma Lexus ES makes a noise when I accelerate that stops when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Lexus ES and this noise which could be a cliking sound tends to end 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 replaced almost every 120 000 / 130 000km. To evaluate 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 Lexus ES. Look at our article on clutch noise on Lexus ES for more information.
