A turbo noise on a Volkswagen Transporter 4 could get worse and generate major problems, even a turbo breakdown. It is therefore crucial to understand how to take care of it so that you can take the necessary actions. If you detect a turbo noise on your Volkswagen Transporter 4, you are on the good web page. First we will look at some recommendations to correctly look after the turbo, then what are the causes of these sounds and how to repair them.
Few recommendations to look after and avoid noises on your Volkswagen Transporter 4 turbo
Turbo disorders can be kept off. In this case, there are some possibilities to properly look after it or change its conduct to preserve it. In order to protect the turbocharger of the Volkswagen Transporter 4, we encourage you not to accelerate when starting the engine. Wait until the vehicle is warm up before accelerating. Verify the oil level every 30,000 km or so.
Turbo, which whistles on the Volkswagen Transporter 4: what are the reasons?
We will now focus on the most frequent turbo noises on this Volkswagen Transporter 4. This will allow you to correctly diagnose the origin of the whistle in question.
The turbo of your Volkswagen Transporter 4 makes noise all the time
If your turbo creates noise in all situations, there is obviously a problem. This sound shows up when the turbo is pressurized. This is frequently linked to insufficient lubrication of the mechanism. Have it inspected by your professional for a thorough check. If the turbo of your Volkswagen Transporter 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 Transporter 4: Turbo noise at acceleration
The turbocharger of this Volkswagen Transporter 4 provides a whistle when you accelerate. This concern can arise from two main scenarios. This is probably caused by 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 important to define the failure. You can swap the hose if necessary, or change the exchanger if it is broken.
Volkswagen Transporter 4: Turbo noise at deceleration
If the turbo of this Volkswagen Transporter 4 produces a sound when decelerating, it’s because the turbo still functions! There is no real reason for the turbo to generate noise only at deceleration. The sound of your engine probably goes over that of your turbo as soon as you accelerate. It’s possible that your engine block produces noises as soon as you release the accelerator pedal, but it certainly doesn’t come from the turbo of your Volkswagen Transporter 4. Perhaps a problem of admission?
Volkswagen Transporter 4: Metal rattling noise of the turbo
A metallic rattling sound from the turbocharger of this Volkswagen Transporter 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 much greater complications, and it is expensive to replace.