You experience a starter motor noise on your smart forfour every time you start your car. We can understand that this is not pleasant and that you have inquiries. Experiencing such a noise is not always a good indication, but it may also be nothing major. To help you remedy this problem, our team has chosen to create this content to support you in this research. First, we will describe how the starter motor works on your smart forfour, and then what starter motor noises you can encounter on your smart forfour.starter-motor-noise-smart-forfour

Functioning and various information

Function of a starter motor on smart forfour

The starter motor is an electric motor whose sole role is to start the engine of your vehicle. By a magnetic system and a “serial” technology, it will release an enormous torque that will allow it to drive the pistons of the engine that are subjected to enormous compression and an oil that provides additional resistance being not very fluid when cold.
It is completed by the “solenoid”. It is an electromagnet that goes under a 12 volt electric impulse to push the fork (link part between the “solenoid” and the electric motor of the starter) and thus engage the starter drive pinion on the engine flywheel. Following this action, once in engagement, the starter motor of your smart forfour is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on smart forfour

  • Do not run your starter too long
  • Even if your engine does not start because of tired glow plugs, for example, or because the climate is too cold. You should not try to start for more than a few seconds or you will burn it. In fact, the current essential to make it turn and the speed of rotation only allows it to perform its function over very short and intense periods of time. If the automobile does not start, look for the solution somewhere else.

  • Do not use a starter motor on smart forfour with a tired battery
  • Although when you have a battery that is exhausted, you always want to start your vehicle, the energy it is capable of holding may not be sufficient to give the power needed by the starter motor to start your engine. Repeated attempts will pre-use your starter motor and if you do not correct the reason of your failure to start repeatedly, your starter may be the future element you will have to replace.

I experience noises from the starter motor of my smart forfour, what are the reasons?

I feel a loud noise from the starter of my smart forfour

If you experience a starter motor noise on smart forfour and you have the feeling that it is approaching a loud noise, it is possible that it is the starter motor gears that are at the origin of it. In fact, often when the component has been dismantled for other fixes, its adjustment in relation to the engine flywheel may no longer be appropriate, in which situation the gears will be worn down as time passes and will not slip and will no longer properly activate the engine when starting. Check the condition of the drive pinion, if it is the part responsible of the starter motor noise on your smart forfour swap it.
If it is a noise in the front of your vehicle but it seems to you after reviewing not to come from your starter, consult this content about front end noise on smart forfour which may offer you other leads to resolve your noise problem.

I experience a clicking noise of the key running in my neiman but no noise at the starter motor of my smart forfour

If you experience a clicking noise at the starter motor of your smart forfour, there are two possible failures connected to this warning sign. If you have in addition to the noise the motor is not running, it may be the “solenoid” is not supplied with energy. One of the most classic ways to relaunch it is to hit it with a metal bar to remove the dust that blocks it. If that is not enough, it may be the neiman who is involved. You could have a problem with unplugged cable examine your electrical installation. If after checking out this clicking noise on smart forfour doesn’t come from your starter motor, check this article for more informations.