When you detect abnormal sounds on your Infiniti QX50 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Infiniti QX50. It is instantly assimilated to an engine motor problem and can therefore be considerable. As we know that you do not take these trouble lightly, we have decided to publish this content to support you find the causes and eradicate this matter as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Infiniti QX50, then what is a whistling or ratling noise at the acceleration of my Infiniti QX50, then the origins of a noise that intensifies during acceleration and at last a noise that stops when I stop accelerating.
Ma Infiniti QX50 makes a high-pitched noise when I accelerate:
If your Infiniti QX50 produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason 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 employed to get power to the secondary components of your Infiniti QX50’s engine and although it is less vital than the timing belt it can generate engine damage if it breaks. This noise 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 state of your belt and its tension. If it causes this acceleration noise on Infiniti QX50, go to your auto mechanic.
Ma Infiniti QX50 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 Infiniti QX50, it is plausible that your turbo is declining and some of its elements are at the end of their life. Check it and swap it if it is the reason, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling noise on your car, feel free to consult this content page about turbo noises on Infiniti QX50, if you would like more info.
If, on the other hand, you do not experience any power loss due to an humming noise on your Infiniti QX50, 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 origin of this acceleration sound.
Ma Infiniti QX50 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 Infiniti QX50 gets loud, then you will have to think about the rolling parts of your vehicle. In fact, if this loud noise does not emerge when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so make sure to check their state to make sure it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to Infiniti QX50 noise wheels.
Ma Infiniti QX50 creates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Infiniti QX50 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 cause. In fact, the clutch release bearings must be replaced approximately 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 technician to replace the clutch release bearings on your Infiniti QX50. Go through our article on clutch noise on Infiniti QX50 for more information.
