A turbo noise on a smart fortwo could get worse and cause major problems, even a turbo breakage. It is therefore essential to know how to preserve it so that you can take the necessary measures. If you discover a turbo noise on your smart fortwo, you are on the good website. First we will look at some tips to properly look after the turbo, then what are the causes of these noises and how to fix them.turbo-noise-smart-fortwo

Few advices to look after and prevent noises on your smart fortwo turbo

Turbo disorders can be avoided. In this case, there are some solutions to properly look after it or change its conduct to protect it. In order to protect the turbocharger of the smart fortwo, we encourage you not to accelerate when starting the engine. Wait until the car is warm up before accelerating. Examine the oil level every single 30,000 km or so.

Turbo, which whistles on the smart fortwo: what are the reasons?

We will now look into the most recurrent turbo noises on this smart fortwo. This will allow you to correctly locate the source of the whistle in question.

The turbo of your smart fortwo makes noise all the time

If your turbo creates noise in all situations, there is obviously a problem. This sound rises when the turbo is pressurized. This is frequently related to insufficient lubrication of the mechanism. Have it checked by your professional for a thorough check. If the turbo of your smart fortwo is definitely in poor condition, you will probably have to swap it. In general, this failure is indicated by a warning light on your dashboard.

smart fortwo: Turbo noise at acceleration

The turbocharger of this smart fortwo makes a whistle when you accelerate. This matter can arise from two main situations. This is probably resulting from a supply hose or the perforated heat exchanger. It is plausible that the sound emitted is more like a breath than a whistle. If this is the case, a visual inspection will be vital to establish the failure. You can swap the hose if necessary, or change the exchanger if it is broken.

smart fortwo: Turbo noise at deceleration

If the turbo of this smart fortwo emits a sound when decelerating, it’s because the turbo still works! There is no real reason for the turbo to create noise only at deceleration. The sound of your engine probably goes over that of your turbo as soon as you accelerate. It’s plausible that your engine block produces noises immediately after you release the accelerator pedal, but it undoubtedly doesn’t come from the turbo of your smart fortwo. Maybe a problem of admission?

smart fortwo: Metal rattling noise of the turbo

A metallic rattling sound from the turbocharger of this smart fortwo comes from a mechanical failure. This means that the turbo is in poor condition! Don’t wait too long before going to a garage. Turbo breakage can generate much higher complications, and it is expensive to swap.