When you find out about unusual noises on your Peugeot 308 you tend to concerns about them. Especially when you feel a noise when you accelerate on your Peugeot 308. It is automatically assimilated to an engine motor issue and can therefore be severe. As we know that you do not take these complications lightly, we have made a decision to compose this document to help you find the causes and get rid of this issues as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Peugeot 308, then what is a whistling or ratling noise at the acceleration of my Peugeot 308, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.
Ma Peugeot 308 makes a high-pitched noise when I accelerate:
If your Peugeot 308 produces a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your issue. You will need to define if this noise shows up suddenly and if it can stop as it started. The alternator belt is a wearing part that is used to supply power to the secondary components of your Peugeot 308’s engine and although it is less important than the timing belt it can cause engine damage if it fails. This noise may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Peugeot 308, go to your technician.
Ma Peugeot 308 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 Peugeot 308, it is conceivable that your turbo is screwing up and some of its elements are at the end of their life. Verify it and swap it if it is the cause, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling noise on your car, feel free to read this content about turbo noises on Peugeot 308, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your Peugeot 308, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to determine the origin of this acceleration sound.
Ma Peugeot 308 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 308 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 linked to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so remember 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 308 noise wheels.
Ma Peugeot 308 generates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Peugeot 308 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 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 replace the clutch release bearings on your Peugeot 308. Go through our article on clutch noise on Peugeot 308 for more information.
