When you detect unusual noises on your Ford S-max you tend to stress about them. Especially when you feel a noise when you accelerate on your Ford S-max. It is immediately assimilated to an engine motor trouble and can therefore be considerable. As we know that you do not take these disorders lightly, we have made a decision to publish this document to help you find the causes and eradicate this matter as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Ford S-max, then what is a whistling or ratling noise at the acceleration of my Ford S-max, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.
Ma Ford S-max makes a high-pitched noise when I accelerate:
If your Ford S-max produces a loud noise when you accelerate, it is quite possible that the alternator belt is the induce 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 used to carry power to the secondary components of your Ford S-max’s engine and although it is less crucial than the timing belt it can bring about engine troubles if it fails. This sound 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 Ford S-max, go to your technician.
Ma Ford S-max 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 occurs with the rattling noise when you accelerate with your Ford S-max, it is conceivable that your turbo is screwing up and some of its elements are at the end of their life. Check it and change it if it is the induce, otherwise you risk clogging your engine in the long run. If you discover this blowing or whistling sound on your car, feel free to refer to this content about turbo noises on Ford S-max, if you would like more details.
If, on the other hand, you do not feel any power loss due to an humming noise on your Ford S-max, 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 discover the source of this acceleration sound.
Ma Ford S-max 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 Ford S-max gets loud, then you will have to look at the rolling parts of your car. In fact, 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 cause is the state of your bearings, so don’t forget to check their state to make sure it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to Ford S-max noise wheels.
Ma Ford S-max generates a noise when I accelerate that ceases when I stop accelerating:
At last, if you encounter a noise when accelerating with your Ford S-max and this noise which could be a cliking sound tends to end when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. In fact, the clutch release bearings must be swapped approximately 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 symptoms, go to your auto technician to swap the clutch release bearings on your Ford S-max. Read our article on clutch noise on Ford S-max for more information.
