When you find out about uncommon noises on your Renault Megane 3 you tend to stress about them. Especially when you feel a noise when you accelerate on your Renault Megane 3. It is immediately assimilated to an engine unit issue and can therefore be severe. As we know that you do not take these complications lightly, we have made a decision to produce this document to support you find the causes and eradicate this issues 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 Megane 3, then what is a whistling or ratling noise at the acceleration of my Renault Megane 3, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.noise-when-acceleratingrenault-megane-3

Ma Renault Megane 3 makes a high-pitched noise when I accelerate:

If your Renault Megane 3 produces a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your issue. You will need to establish if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to supply power to the secondary components of your Renault Megane 3’s engine and although it is less important than the timing belt it can induce engine troubles if it fails. This noise may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Renault Megane 3, go to your auto mechanic.

Ma Renault Megane 3 makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Renault Megane 3, it is conceivable that your turbo is declining and some of its elements are at the end of their life. Examine it and replace it if it is the reason, otherwise you risk blockage your engine in the long run. If you discover this blowing or whistling noise on your car, feel free to consult this article about turbo noises on Renault Megane 3, if you would like more info.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not experience any power loss due to an humming noise on your Renault Megane 3, 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 source of this acceleration sound.

Ma Renault Megane 3 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 Renault Megane 3 gets loud, then you will have to look at the rolling parts of your car. In fact, if this loud noise does not occur when you iddle, it is necessarily in connection with your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so don’t forget to check their condition to make sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Renault Megane 3 noise wheels.

Ma Renault Megane 3 creates a noise when I accelerate that ends when I stop accelerating:

To finish, if you experience a noise when accelerating with your Renault Megane 3 and this noise which could be a cliking sound tends to stop 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 swapped approximately every 120 000 / 130 000km. To check 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 signs of illness, go to your auto technician to swap the clutch release bearings on your Renault Megane 3. Look at our article on clutch noise on Renault Megane 3 for more information.