A turbo whistle on your Volkswagen 411 could get worse and cause more serious malfunctions, sometimes damage to the turbo. It therefore remains essential to discern what this problem is in order to take the necessary measures. First of all we will discover several Tricks to properly maintain its turbo, then what will be causes of these noises and how to remedy them.whistling-turbo-Volkswagen-411

Turbo noise: a few tips

Turbo malfunctions can be prevented. In this sense, you will find below tips to maintain it well or change conduct to protect it. To protect the turbo of your Volkswagen 411, we advise you not to press the accelerator too much when starting. Wait until your engine block is on to accelerate. Check the oil level every 30 000 km nearly. The sewage obviously have a favorable effect on the turbo.

Turbo whistling on the Volkswagen 411: what are the causes

We will now take a tour of the most common noises on the Volkswagen 411. This will help you to better detect the source of this hiss in question.

The turbo of your Volkswagen 411 makes noise all the time

If this turbo generates noise under all circumstances, there is clearly a problem. This noise must come when the turbo is pressurized. This is usually due to insufficient lubrication of the system. Have it checked by your mechanic for a more in-depth audit. If the turbo in your Volkswagen 411 is definitely in bad condition, you may need to change it. As a rule, this malfunction is indicated by a warning light on your dashboard.

Volkswagen 411: Noise on acceleration

The Volkswagen 411's turbo whistles as you accelerate. There are two main reasons for this problem. This probably comes from a supply hose or a pierced heat exchanger. It is plausible that the noise emitted is more like a breath than a whistle sound. In this situation, a visual inspection will be required to discern the fault. You will be able to replace the hose if necessary, or replace the exchanger if it is out of order.

Volkswagen 411: Noise on deceleration

If the Volkswagen 411's turbo makes a noise when decelerating, your turbo is still running! There is no real reason for the turbo to generate noise only when decelerating. The sound of the engine block probably drowns out that of the turbo when you accelerate. It is nonetheless plausible that your engine block is making noises when you decelerate, but this is certainly not the result of the turbo. Maybe an admission problem?

Volkswagen 411: Metallic noise from the turbo

A metallic noise from the turbo of the Volkswagen 411 must come from a mechanical defect. This therefore means that the turbo is in bad shape! Do not wait too long before going to a garage. The breakage of the turbo can cause much more serious malfunctions, and it is expensive to replace.