When you find out about irregular noises on your Renault Grand Scenic 4 you tend to worry about them. Especially when you feel a noise when you accelerate on your Renault Grand Scenic 4. It is right away assimilated to an engine unit issue and can therefore be considerable. As we know that you do not take these disorders lightly, we have made a decision to produce this content to help you find the causes and eradicate this issues as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Renault Grand Scenic 4, then what is a whistling or ratling noise at the acceleration of my Renault Grand 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 Grand Scenic 4 makes a high-pitched noise when I accelerate:
If your Renault Grand Scenic 4 makes a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your issue. You will need to establish if this noise occurs suddenly and if it can stop as it started. The alternator belt is a wearing part that is employed to bring power to the secondary components of your Renault Grand Scenic 4’s engine and although it is less vital than the timing belt it can induce engine failure if it fails. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Renault Grand Scenic 4, go to your auto technician.
Ma Renault Grand 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 comes with the rattling noise when you accelerate with your Renault Grand Scenic 4, it is plausible that your turbo is failing and some of its components are at the end of their life. Check it and swap it if it is the cause, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling sound on your car, feel free to read this document about turbo noises on Renault Grand 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 Grand Scenic 4, 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 starting point of this acceleration sound.
Ma Renault Grand Scenic 4 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 Renault Grand Scenic 4 gets loud, then you will have to check out the rolling parts of your automobile. In fact, if this loud noise does not surface when you iddle, it is certainly in connection with your transmission, and, in general, to your wheels. The most common cause is the state of your bearings, so don’t forget to check their state to make sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Renault Grand Scenic 4 noise wheels.
Ma Renault Grand Scenic 4 makes a noise when I accelerate that ceases when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Renault Grand Scenic 4 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 almost every 120 000 / 130 000km. To test 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 symptoms, go to your technician to swap the clutch release bearings on your Renault Grand Scenic 4. Go through our article on clutch noise on Renault Grand Scenic 4 for more information.
