You hear a starter motor noise on your smart fortwo once you start your automobile. We agree that this is not pleasant and that you have questions. Hearing such a noise is not always a good sign, but it may also be nothing significant. To assist you remedy this issue, our team has decided to compose this content to assist you in this research. First, we will detail how the starter motor functions on your smart fortwo, and then what starter motor noises you can discover on your smart fortwo.starter-motor-noise-smart-fortwo

Functioning and various information

Function of a starter motor on smart fortwo

The starter motor is an electric motor whose only function is to start the engine unit of your vehicle. By a magnetic system and a “serial” technology, it will launch 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 component 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 fortwo is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on smart fortwo

  • Do not try to start your engine for 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 turn your key for more than a few seconds or you will burn it. In fact, the current needed to make it turn and the speed of rotation only permits it to perform its function over very short and intense periods of time. If the vehicle does not start, look for the solution elsewhere.

  • Do not use a starter motor on smart fortwo with a tired battery
  • Although when you have a battery that is drained, you always want to start your vehicle, the energy it is capable of holding may not be good enough to provide the power expected by the starter motor to start your engine unit. Repeated attempts will pre-use your starter motor and if you do not treat the origin of your failure to start repeatedly, your starter may be the future element you will have to replace.

I hear noises from the starter motor of my smart fortwo, what are the reasons?

I encounter a loud noise from the starter of my smart fortwo

If you experience a starter motor noise on smart fortwo and you have the feeling that it is approaching a loud noise, it is plausible that it is the starter motor gears that are at the source of it. In fact, often when the part has been dismantled for other maintenance, its adjustment in relation to the engine flywheel may no longer be ideal, in which circumstance the gears will be worn down as time passes and will not slip and will no longer properly engage the engine when starting. Verify the condition of the drive pinion, if it is the component resposible of the starter motor noise on your smart fortwo replace 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 fortwo which may give you other leads to remedy your noise issue.

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

If you hear a clicking noise at the starter motor of your smart fortwo, there are two possible failures linked to this indicator. 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 concerned. You may have a issue with unplugged cable examine your electrical installation. If after tracking this clicking noise on smart fortwo doesn’t come from your starter motor, check this article for more informations.