When you notice unusual noises on your Citroen C4 Cactus you tend to stress about them. Especially when you feel a noise when you accelerate on your Citroen C4 Cactus. It is automatically assimilated to an engine unit issue and can therefore be serious. As we know that you do not take these problems lightly, we have decided to write this content to support you find the causes and eradicate this concern as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Citroen C4 Cactus, then what is a whistling or ratling noise at the acceleration of my Citroen C4 Cactus, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.noise-when-acceleratingcitroen-c4-cactus

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

If your Citroen C4 Cactus generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your issue. You will need to identify if this noise takes place suddenly and if it can stop as it started. The alternator belt is a wearing part that is employed to carry power to the secondary components of your Citroen C4 Cactus’s engine and although it is less crucial than the timing belt it can bring about engine troubles 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 at fault. In any case, examine the state of your belt and its tension. If it causes this acceleration noise on Citroen C4 Cactus, go to your auto technician.

Ma Citroen C4 Cactus makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Citroen C4 Cactus, it is conceivable that your turbo is failing and some of its elements are at the end of their life. Examine it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling noise on your car, feel free to read this article about turbo noises on Citroen C4 Cactus, 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 Cactus, 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 locate the starting point of this acceleration sound.

Ma Citroen C4 Cactus 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 Cactus gets loud, then you will have to look at the rolling parts of your vehicle. Indeed, if this loud noise does not surface when you iddle, it is necessarily connected to your transmission, and, in general, to your wheels. The most regular cause is the state of your bearings, so don’t forget to examine their condition to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to Citroen C4 Cactus noise wheels.

Ma Citroen C4 Cactus generates a noise when I accelerate that stops when I stop accelerating:

To finish, if you encounter a noise when accelerating with your Citroen C4 Cactus 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 cause. Indeed, the clutch release bearings must be changed approximately every 120 000 / 130 000km. To evaluate 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 manifestations, go to your mechanic to change the clutch release bearings on your Citroen C4 Cactus. Look at our article on clutch noise on Citroen C4 Cactus for more information.