A turbo noise on a Volkswagen Polo 4 could get worse and cause major problems, even a turbo breakage. It is therefore essential to understand how to take care of it so that you can take the necessary measures. If you notice a turbo noise on your Volkswagen Polo 4, you are on the good web page. First we will check out some recommendations to correctly look after the turbo, then what are the causes of these noises and how to resolve them.
Few techniques to look after and prevent noises on your Volkswagen Polo 4 turbo
Turbo complications can be prevented. In this case, there are several possibilities to properly look after it or change its conduct to protect it. To be able to protect the turbocharger of the Volkswagen Polo 4, we advise you not to accelerate when starting the engine. Wait until the automobile is warm up before accelerating. Verify the oil level every 30,000 km or so.
Turbo, which whistles on the Volkswagen Polo 4: what are the reasons?
We will now look into the most frequent turbo noises on this Volkswagen Polo 4. This will allow you to properly detect the source of the whistle in question.
The turbo of your Volkswagen Polo 4 makes noise all the time
If your turbo produces noise in all situations, there is clearly a problem. This sound rises when the turbo is pressurized. This is regularly related to poor lubrication of the mechanism. Have it inspected by your professional for a thorough check. If the turbo of your Volkswagen Polo 4 is definitely in poor condition, you will probably have to replace it. In general, this malfunction is indicated by a warning light on your dashboard.
Volkswagen Polo 4: Turbo noise at acceleration
The turbocharger of this Volkswagen Polo 4 creates a whistle when you accelerate. This concern can arise from two main scenarios. This is most likely resulting from a supply hose or the perforated heat exchanger. It is possible that the sound emitted is more like a breath than a whistle. If this is the case, a visual inspection will be necessary to define the failure. You can replace the hose if necessary, or change the exchanger if it is broken.
Volkswagen Polo 4: Turbo noise at deceleration
If the turbo of this Volkswagen Polo 4 produces a sound when decelerating, it’s because the turbo still functions! There is no real reason for the turbo to create noise only at deceleration. The sound of your engine probably covers that of your turbo as soon as you accelerate. It’s possible that your engine block causes noises immediately after you release the accelerator pedal, but it undoubtedly doesn’t come from the turbo of your Volkswagen Polo 4. Maybe a problem of admission?
Volkswagen Polo 4: Metal rattling noise of the turbo
A metallic rattling sound from the turbocharger of this Volkswagen Polo 4 comes from a mechanical malfunction. This means that the turbo is in poor condition! Don’t wait too long before going to a garage. Turbo breakage can bring on much higher problems, and it is expensive to replace.
