A noise from the turbo on a smart roadster can worsen and cause more serious concerns, even a break in the turbo. It is thus necessary to understand where this dysfunction comes from in order to take the necessary measures. First we will see several Tricks in order to properly maintain the turbo, then what will be the causes of these noises and how to fix them.whistling-turbo-smart-roadster

Turbo noise: a few tips

Turbo concerns can be avoided. These are methods to properly maintain it or change your driving style to preserve it. In order to preserve the turbo of the smart roadster, it is advisable not to press the accelerator too much when starting. Wait until the vehicle is on before accelerating. Check the oil level every 30 000 km approximately. The sewage obviously have a positive effect on your turbo.

Turbo whistling on the smart roadster: what are the causes

We will now go around the most common noises on a smart roadster. You can therefore better identify the causes of this noise in question.

The turbo of your smart roadster always makes noise

If this turbo produces noise in all situations, there is clearly a malfunction. This sound should come when the turbo is pressurized. This is frequently due to insufficient lubrication of the mechanism. Have it checked by a mechanic for a more detailed audit. If the turbo on your smart roadster is completely damaged, you may need to replace it. Typically, this problem is indicated by an indicator on your dashboard.

smart roadster: Noise on acceleration

The smart roadster's turbo generates a kind of whistle when you accelerate. This dysfunction can come from two major situations. This must probably come from a supply hose or from the pierced exchanger. It is plausible that the sound emitted is more like a breath than a whistle sound. In this case, a visual check will be essential to discern the fault. You will be able to replace the hose if necessary, or replace the exchanger if it is HS.

smart roadster: Noise during deceleration

If the smart roadster's turbo generates a deceleration sound, the turbo is still spinning! There is no real reason for the turbo to make noise just when decelerating. The sound of your engine probably covers that of the turbo when you accelerate. It is however plausible that your engine block generates noise when you decelerate, but it certainly does not come from the turbo. Definitely an intake dysfunction?

smart roadster: Metallic noise from the turbo

A metallic sound from the turbo of the smart roadster must come from a mechanical malfunction. This implies that your turbo is in bad shape! Do not delay too long before going to a garage. The breakage of the turbo can cause much more serious concerns, and it is expensive to replace.