When you come across irregular sounds on your Citroen C4 Picasso you tend to stress about them. Especially when you feel a noise when you accelerate on your Citroen C4 Picasso. It is instantly assimilated to an engine unit trouble and can therefore be considerable. As we know that you do not take these disorders lightly, we have made a decision to create this article to support you find the causes and get rid of 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 Citroen C4 Picasso, then what is a whistling or ratling noise at the acceleration of my Citroen C4 Picasso, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.noise-when-acceleratingcitroen-c4-picasso

Ma Citroen C4 Picasso makes a high-pitched noise when I accelerate:

If your Citroen C4 Picasso generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to identify if this noise happens abruptly 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 Citroen C4 Picasso’s engine and although it is less crucial than the timing belt it can bring about engine problem 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, examine the condition of your belt and its tension. If it causes this acceleration noise on Citroen C4 Picasso, go to your technician.

Ma Citroen C4 Picasso makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Citroen C4 Picasso, it is plausible that your turbo is screwing up and some of its components are at the end of their life. Check it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this article about turbo noises on Citroen C4 Picasso, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not get any power loss due to an humming noise on your Citroen C4 Picasso, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the complete air supply system from your air filter to your engine to determine the origin of this acceleration sound.

Ma Citroen C4 Picasso 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 Citroen C4 Picasso gets loud, then you will have to check out the rolling parts of your automobile. Indeed, if this loud noise does not occur when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so remember to examine their condition to make sure it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Citroen C4 Picasso noise wheels.

Ma Citroen C4 Picasso creates a noise when I accelerate that ceases when I stop accelerating:

Finally, if you experience a noise when accelerating with your Citroen C4 Picasso 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. Indeed, 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 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 mechanic to swap the clutch release bearings on your Citroen C4 Picasso. Look at our article on clutch noise on Citroen C4 Picasso for more information.