When you discover uncommon sounds on your Volkswagen Jetta you tend to stress about them. Especially when you feel a noise when you accelerate on your Volkswagen Jetta. It is immediately assimilated to an engine unit problem and can therefore be severe. As we know that you do not take these complications lightly, we have made a decision to publish this content page to support you find the causes and eliminate this issues as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Volkswagen Jetta, then what is a whistling or ratling noise at the acceleration of my Volkswagen Jetta, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.noise-when-acceleratingvolkswagen-jetta

Ma Volkswagen Jetta makes a high-pitched noise when I accelerate:

If your Volkswagen Jetta makes a loud noise when you accelerate, it is quite possible that the alternator belt is the reason of your problem. You will need to define if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to get power to the secondary components of your Volkswagen Jetta’s engine and although it is less vital than the timing belt it can generate engine damage if it fails. 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, check the condition of your belt and its tension. If it causes this acceleration noise on Volkswagen Jetta, go to your technician.

Ma Volkswagen Jetta makes whining noise when I accelerate:

  • Rattling or whistling noise generated by the turbo
  • If you have a power loss that occurs with the rattling noise when you accelerate with your Volkswagen Jetta, it is conceivable that your turbo is failing and some of its parts are at the end of their life. Examine it and replace 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 consult this content page about turbo noises on Volkswagen Jetta, if you would like more details.

  • 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 Volkswagen Jetta, 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 starting point of this acceleration sound.

Ma Volkswagen Jetta 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 Volkswagen Jetta gets loud, then you will have to check the rolling parts of your automobile. In fact, if this loud noise does not appear when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so don’t forget to check their condition to be sure it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Volkswagen Jetta noise wheels.

Ma Volkswagen Jetta generates a noise when I accelerate that ceases when I stop accelerating:

Finally, if you experience a noise when accelerating with your Volkswagen Jetta 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. In fact, the clutch release bearings must be replaced around every 120 000 / 130 000km. To check 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 auto mechanic to replace the clutch release bearings on your Volkswagen Jetta. Read our article on clutch noise on Volkswagen Jetta for more information.