When you notice uncommon sounds on your Volkswagen Polo 4 you tend to stress about them. Specifically when you feel a noise when you accelerate on your Volkswagen Polo 4. It is immediately assimilated to an engine motor issue and can therefore be severe. As we know that you do not take these disorders lightly, we have decided to prepare this document to support you find the causes and get rid of this matter 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 Polo 4, then what is a whistling or ratling noise at the acceleration of my Volkswagen Polo 4, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Volkswagen Polo 4 makes a high-pitched noise when I accelerate:
If your Volkswagen Polo 4 produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your issue. You will need to determine if this noise takes place 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 Volkswagen Polo 4’s engine and although it is less important than the timing belt it can bring about engine problem if it fails. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Volkswagen Polo 4, go to your mechanic.
Ma Volkswagen Polo 4 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 accompanies the rattling noise when you accelerate with your Volkswagen Polo 4, it is plausible that your turbo is screwing up and some of its elements are at the end of their life. Verify it and swap it if it is the reason, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to read this document about turbo noises on Volkswagen Polo 4, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Volkswagen Polo 4, 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 locate the starting point of this acceleration sound.
Ma Volkswagen Polo 4 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 Polo 4 gets loud, then you will have to look at the rolling parts of your vehicle. In fact, if this loud noise does not appear when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. The most regular cause is the state of your bearings, so make sure you verify their condition to ensure that it is not the cause of this loud noise when you accelerate. If not, go to this document about the noises related to Volkswagen Polo 4 noise wheels.
Ma Volkswagen Polo 4 produces a noise when I accelerate that stops when I stop accelerating:
To finish, if you experience a noise when accelerating with your Volkswagen Polo 4 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 almost 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 change the clutch release bearings on your Volkswagen Polo 4. Go through our article on clutch noise on Volkswagen Polo 4 for more information.
