When you observe irregular noises on your Mazda CX 7 you tend to worry about them. Especially when you feel a noise when you accelerate on your Mazda CX 7. It is immediately assimilated to an engine problem and can therefore be considerable. As we know that you do not take these disorders lightly, we have made a decision to produce this content page to support you find the causes and eliminate 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 Mazda CX 7, then what is a whistling or ratling noise at the acceleration of my Mazda CX 7, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.noise-when-acceleratingmazda-cx-7

Ma Mazda CX 7 makes a high-pitched noise when I accelerate:

If your Mazda CX 7 generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the induce of your problem. You will need to define if this noise shows up abruptly 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 Mazda CX 7’s engine and although it is less vital than the timing belt it can bring about engine problem if it stops working. This sound 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 Mazda CX 7, go to your technician.

Ma Mazda CX 7 makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Mazda CX 7, it is possible that your turbo is declining and some of its elements are at the end of their life. Examine it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to read this article about turbo noises on Mazda CX 7, if you would like more info.

  • 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 Mazda CX 7, 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 discover the origin of this acceleration sound.

Ma Mazda CX 7 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 Mazda CX 7 gets loud, then you will have to think about the rolling parts of your vehicle. In fact, 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 basic cause is the state of your bearings, so remember to check their state to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Mazda CX 7 noise wheels.

Ma Mazda CX 7 creates a noise when I accelerate that ends when I stop accelerating:

To finish, if you experience a noise when accelerating with your Mazda CX 7 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. In fact, the clutch release bearings must be swapped around every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual 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 replace the clutch release bearings on your Mazda CX 7. Go through our article on clutch noise on Mazda CX 7 for more information.