When you notice irregular sounds on your Opel Mokka you tend to worry about them. Specifically when you feel a noise when you accelerate on your Opel Mokka. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these complications lightly, we have made a decision to write this content page to support you find the causes and eradicate 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 Opel Mokka, then what is a whistling or ratling noise at the acceleration of my Opel Mokka, then the sources of a noise that intensifies during acceleration and at last a noise that ends when I stop accelerating.noise-when-acceleratingopel-mokka

Ma Opel Mokka makes a high-pitched noise when I accelerate:

If your Opel Mokka makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your trouble. You will need to establish 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 supply power to the secondary components of your Opel Mokka’s engine and although it is less vital than the timing belt it can generate 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 responsible. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Opel Mokka, go to your auto mechanic.

Ma Opel Mokka makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Opel Mokka, it is plausible that your turbo is declining and some of its components are at the end of their life. Examine it and swap it if it is the reason, otherwise you risk clogging your engine in the long run. If you listen to this blowing or whistling sound on your car, feel free to read this content page about turbo noises on Opel Mokka, if you would like more details.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not get any power loss due to an humming noise on your Opel Mokka, 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 discover the source of this acceleration sound.

Ma Opel Mokka 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 Opel Mokka gets loud, then you will have to think about the rolling parts of your vehicle. Indeed, if this loud noise does not emerge when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so make sure to verify their state 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 Opel Mokka noise wheels.

Ma Opel Mokka makes a noise when I accelerate that ends when I stop accelerating:

Finally, if you encounter a noise when accelerating with your Opel Mokka 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 reason. Indeed, the clutch release bearings must be changed around every 120 000 / 130 000km. To test 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 manifestations, go to your auto technician to swap the clutch release bearings on your Opel Mokka. Look at our article on clutch noise on Opel Mokka for more information.