When you observe abnormal sounds on your Renault Scenic 4 you tend to stress about them. Specifically when you feel a noise when you accelerate on your Renault Scenic 4. It is instantly assimilated to an engine issue and can therefore be critical. As we know that you do not take these disorders lightly, we have chosen to prepare 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 Renault Scenic 4, then what is a whistling or ratling noise at the acceleration of my Renault Scenic 4, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Renault Scenic 4 makes a high-pitched noise when I accelerate:
If your Renault Scenic 4 generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your issue. You will need to define if this noise appears suddenly and if it can stop as it started. The alternator belt is a wearing part that is used to get power to the secondary components of your Renault Scenic 4’s engine and although it is less vital than the timing belt it can bring about engine problem if it stops working. This noise may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Renault Scenic 4, go to your auto technician.
Ma Renault Scenic 4 makes whining noise when I accelerate:
- Rattling or whistling noise generated 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 Renault Scenic 4, it is possible that your turbo is failing and some of its components are at the end of their life. Verify it and swap 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 refer to this content about turbo noises on Renault Scenic 4, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Renault Scenic 4, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to discover the origin of this acceleration sound.
Ma Renault Scenic 4 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 Renault Scenic 4 gets loud, then you will have to think about the rolling parts of your vehicle. In fact, 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 cause is the state of your bearings, so remember to check their state to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Renault Scenic 4 noise wheels.
Ma Renault Scenic 4 generates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Renault Scenic 4 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 cause. In fact, the clutch release bearings must be changed around every 120 000 / 130 000km. To check 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 Renault Scenic 4. Go through our article on clutch noise on Renault Scenic 4 for more information.
