When you detect unusual sounds on your Lexus RX you tend to worry about them. Especially when you feel a noise when you accelerate on your Lexus RX. It is automatically assimilated to an engine unit problem and can therefore be severe. As we know that you do not take these complications lightly, we have decided to prepare this content to support you find the causes and eliminate this concern as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Lexus RX, then what is a whistling or ratling noise at the acceleration of my Lexus RX, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Lexus RX makes a high-pitched noise when I accelerate:
If your Lexus RX generates a loud noise when you accelerate, it is quite possible that the alternator belt is the induce of your problem. You will need to define if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is employed to supply power to the secondary components of your Lexus RX’s engine and although it is less vital than the timing belt it can induce engine failure 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 at fault. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Lexus RX, go to your mechanic.
Ma Lexus RX 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 accompanies the rattling noise when you accelerate with your Lexus RX, it is conceivable that your turbo is failing and some of its components are at the end of their life. Examine it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to consult this document about turbo noises on Lexus RX, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your Lexus RX, 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 determine the origin of this acceleration sound.
Ma Lexus RX 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 RX gets loud, then you will have to check the rolling parts of your car. In fact, if this loud noise does not appear when you iddle, it is surely connected to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure you check their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Lexus RX noise wheels.
Ma Lexus RX creates a noise when I accelerate that stops when I stop accelerating:
Finally, if you experience a noise when accelerating with your Lexus RX 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. In fact, the clutch release bearings must be replaced around 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 signs of illness, go to your auto mechanic to change the clutch release bearings on your Lexus RX. Go through our article on clutch noise on Lexus RX for more information.
