The gearbox happens to be one of the main components of the Smart Fortwo 3. It is quite common for noises to occur over time, which are usually related to a bad use of the clutch system. However, depending on the noise, the nature of the malfunction may be different. So we will find out what will be the most regular noises and how to fix them .
The box of my Smart Fortwo 3 purrs
This kind of rolling noise can arise on various occasions. Generally, this problem becomes less clear when the clutch is used. If your Smart Fortwo 3 gearbox hums, it's usually a subtle noise , but rather annoying. In principle it is a malfunction of rolling . If you are a DIY enthusiast, there is a solution. you will be able to get started on work and try to find the defective bearing. If not, go to a specialist instead. This kind of noise may worsen over time, and the entire gearbox will need to be changed.
Smart Fortwo 3: Whistling of the gearbox
If the Smart Fortwo 3 gearbox makes a hissing sound, it can produce a rather rapid breakdown. It is therefore important to pay attention to it. This type of noise usually occurs as soon as items begin to collide and wear out. Difficult to say if work is possible or if you will have to change the complete gearbox. We advise you to go to your mechanic for an audit in more detail.
Smart Fortwo 3: The gearbox hangs and makes a cracking noise
In case your gearbox hangs as soon as you change gears, there must be a malfunction. Indeed, this is one of the most recurring concerns. A gearbox can never have a problem if you really take care of it, but a little rough daily use will cause problems extremely quickly. The malfunction is probably due to a lack of oil! The solution is easy. In case the level is insufficient, simply reset the level. If the malfunction persists, your gearbox is defective. You will most certainly have to change it.
For automatic gearboxes
Knowing that there is not too much human intervention, it is rare that the automatic transmission of a Smart Fortwo 3 wears alone. The reasons are therefore extremely easy! The first point to check is the oil level , then at the limit lubricate the mechanism. However it is advised rather to go to a mechanic of the manufacturer, it is safer. We invite you to leave a comment if your problem is different to help our future readers.