Behind these switches are some pretty ingenious mechanisms. Ingenious, but often faulty! Because it remains a problem that we have all known, for a smart fortwo or another car. But before changing your mechanism, you will need to know where the malfunction came from. Contact malfunction? Gears stuck? We will try to answer all of your questions in this article.
smart fortwo: a window goes down but does not go up, or vice versa
Before changing the component, let's quickly understand how this device works. When you push or lift the button on the famous window, there are two switches in reality . The electrical signal only passes when activated. It is in fact likely that the problem comes from a false contact. Remove the block with a flat screwdriver, then inspect the cables at their start and end. If the malfunction does not come from a bad electrical connection, then the window regulator motor of your smart fortwo is HS. Gears may also be damaged. It is possible to try to correct the problem, but usually you have to change the entire window regulator.
smart fortwo: One window doesn't work at all
It is not frequent that the malfunction comes from the button, because it would be necessary that two connections or cables are defective. However, you can check if you want to be sure. Therefore, the malfunction will certainly come from the window regulator mechanism of your smart fortwo. The latter may come from engine window regulator, or a damaged gear. Remove the door covers to look inside. Open the window to see if the engine is running, and find out the cause of the malfunction. When gears block it is possible to clean and grease them. When nothing happens, it is probably necessary to change the entire window regulator.
smart fortwo: Electric window blocked
A window of your smart fortwo is stuck. You try to reassemble it by pressing the button or by hand, nothing happens it remains stuck. This malfunction can come from the window regulator motor, but usually it will be possible to wind it by hand. It is actually much more possible that the glass has come out of its rail . By offsetting, when you mount the window, the latter abuts on the rail. In these cases, there is no point in forcing. You will have to open the door and look at what is stuck inside. If the glass guides ever fail, you may need to change them.
Conclusion:
Basically, a window malfunction on a smart fortwo can result from a malfunction related to a false contact, the mechanism of the window regulator, or the rails which hold it. We invite you to post a comment if your problem is not mentioned in our text. Hope this post helped you, be careful!