When you come across abnormal sounds on your Ford Flex you tend to concerns about them. Especially when you feel a noise when you accelerate on your Ford Flex. It is right away assimilated to an engine problem and can therefore be serious. As we know that you do not take these complications lightly, we have made a decision to publish this document to help 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 Ford Flex, then what is a whistling or ratling noise at the acceleration of my Ford Flex, then the origins of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.noise-when-acceleratingford-flex

Ma Ford Flex makes a high-pitched noise when I accelerate:

If your Ford Flex generates a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your problem. You will need to establish if this noise appears abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to get power to the secondary components of your Ford Flex’s engine and although it is less crucial than the timing belt it can generate engine failure if it stops working. This noise may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, verify the state of your belt and its tension. If it causes this acceleration noise on Ford Flex, go to your auto technician.

Ma Ford Flex makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Ford Flex, it is conceivable that your turbo is screwing up and some of its components 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 hear this blowing or whistling noise on your car, feel free to read this article about turbo noises on Ford Flex, if you would like more information.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not feel any power loss due to an humming noise on your Ford Flex, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the entire air supply system from your air filter to your engine to determine the source of this acceleration sound.

Ma Ford Flex 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 Ford Flex gets loud, then you will have to check the rolling parts of your automobile. Indeed, if this loud noise does not emerge when you iddle, it is surely linked to your transmission, and, in general, to your wheels. The most common cause is the state of your bearings, so make sure to verify 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 Ford Flex noise wheels.

Ma Ford Flex produces a noise when I accelerate that ends when I stop accelerating:

Finally, if you encounter a noise when accelerating with your Ford Flex 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 almost every 120 000 / 130 000km. To evaluate 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 symptoms, go to your technician to swap the clutch release bearings on your Ford Flex. Read our article on clutch noise on Ford Flex for more information.