When you notice abnormal noises on your Volkswagen Passat you tend to stress about them. Especially when you feel a noise when you accelerate on your Volkswagen Passat . It is right away assimilated to an engine unit trouble and can therefore be considerable. As we know that you do not take these complications lightly, we have decided to prepare this content page to help 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 Volkswagen Passat , then what is a whistling or ratling noise at the acceleration of my Volkswagen Passat , then the sources of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Volkswagen Passat makes a high-pitched noise when I accelerate:
If your Volkswagen Passat produces a loud noise when you accelerate, it is quite possible that the alternator belt is the cause 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 Volkswagen Passat ‘s engine and although it is less crucial than the timing belt it can induce engine failure if it fails. This sound may be a symptom 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 Volkswagen Passat , go to your mechanic.
Ma Volkswagen Passat 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 Volkswagen Passat , it is possible that your turbo is declining and some of its parts are at the end of their life. Examine it and swap it if it is the cause, otherwise you risk blockage your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to consult this content page about turbo noises on Volkswagen Passat , 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 Volkswagen Passat , it is more than likely that you have one of your junctions or air hoses that has holes. So verify the whole air supply system from your air filter to your engine to determine the origin of this acceleration sound.
Ma Volkswagen Passat 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 Volkswagen Passat gets loud, then you will have to check the rolling parts of your car. Indeed, if this loud noise does not show up when you iddle, it is surely related to your transmission, and, in general, to your wheels. The most known cause is the state of your bearings, so don’t forget to verify their condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Volkswagen Passat noise wheels.
Ma Volkswagen Passat makes a noise when I accelerate that stops when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Volkswagen Passat and this noise which could be a cliking sound tends to reduce 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 approximately 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 manifestations, go to your auto technician to replace the clutch release bearings on your Volkswagen Passat . Look at our article on clutch noise on Volkswagen Passat for more information.
