When you observe uncommon sounds on your Mini Cooper you tend to stress about them. Especially when you feel a noise when you accelerate on your Mini Cooper. It is immediately assimilated to an engine motor trouble and can therefore be critical. As we know that you do not take these disorders lightly, we have decided to publish this content 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 reasons of a high pitched noise when accelerating with my Mini Cooper, then what is a whistling or ratling noise at the acceleration of my Mini Cooper, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Mini Cooper makes a high-pitched noise when I accelerate:
If your Mini Cooper makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your trouble. You will need to establish if this noise appears suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to bring power to the secondary components of your Mini Cooper’s engine and although it is less crucial than the timing belt it can induce engine problem if it breaks. This noise may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, verify the state of your belt and its tension. If it causes this acceleration noise on Mini Cooper, go to your auto mechanic.
Ma Mini Cooper 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 accompanies the rattling noise when you accelerate with your Mini Cooper, it is possible that your turbo is failing and some of its elements are at the end of their life. Check it and swap it if it is the reason, otherwise you risk blockage your engine in the long run. If you find out this blowing or whistling noise on your car, feel free to read this content page about turbo noises on Mini Cooper, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Mini Cooper, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the complete air supply system from your air filter to your engine to locate the origin of this acceleration sound.
Ma Mini Cooper makes 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 Mini Cooper gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not occur when you iddle, it is surely related to your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so make sure you verify their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Mini Cooper noise wheels.
Ma Mini Cooper generates a noise when I accelerate that ceases when I stop accelerating:
At last, if you encounter a noise when accelerating with your Mini Cooper 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 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 signs of illness, go to your technician to replace the clutch release bearings on your Mini Cooper. Go through our article on clutch noise on Mini Cooper for more information.
