When you identify unusual noises on your Peugeot 309 you tend to stress about them. Especially when you feel a noise when you accelerate on your Peugeot 309. It is instantly assimilated to an engine trouble and can therefore be severe. As we know that you do not take these disorders lightly, we have chosen to create this content page to help you find the causes and get rid of this matter as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Peugeot 309, then what is a whistling or ratling noise at the acceleration of my Peugeot 309, then the origins of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.noise-when-acceleratingpeugeot-309

Ma Peugeot 309 makes a high-pitched noise when I accelerate:

If your Peugeot 309 produces a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your trouble. You will need to determine if this noise shows up 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 Peugeot 309’s engine and although it is less crucial than the timing belt it can generate engine troubles if it fails. This noise may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Peugeot 309, go to your auto mechanic.

Ma Peugeot 309 makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Peugeot 309, it is possible that your turbo is declining and some of its parts are at the end of their life. Check it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to refer to this content about turbo noises on Peugeot 309, if you would like more information.

  • 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 Peugeot 309, 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 locate the origin of this acceleration sound.

Ma Peugeot 309 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 Peugeot 309 gets loud, then you will have to check the rolling parts of your vehicle. In fact, if this loud noise does not occur when you iddle, it is necessarily connected to 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 be sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Peugeot 309 noise wheels.

Ma Peugeot 309 creates a noise when I accelerate that stops when I stop accelerating:

Finally, if you experience a noise when accelerating with your Peugeot 309 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 reason. In fact, the clutch release bearings must be swapped almost every 120 000 / 130 000km. To evaluate 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 manifestations, go to your mechanic to change the clutch release bearings on your Peugeot 309. Read our article on clutch noise on Peugeot 309 for more information.