Let's not confuse the air conditioning , heating and ventilation of the smart fortwo. Heating and air conditioning are systems that will lower or increase the temperature. The very first by means of the heat emitted from the engine, and the other with a fluid refrigerant . Your ventilation is all of the ducts and devices that give the opportunity for air to reach the interior. The fundamental element will be the kicker which propels the air inside your cabin. If the air barely or not at all reaches the air, it is probably a malfunction of ventilation. We will discover in this guide how a ventilation works, to be able to better identify the concerns and understand the technique to remedy them.
How ventilation works on a smart fortwo
First of all, ventilation is used to circulate the air inside the interior of the smart fortwo. For the blower, the latter usually consists of a resistor, a turbine, and a motor. The more the integral resistance of the circuit is lowered, the faster the turbine turns. By turning the button in the passenger compartment, the resistance is therefore reduced.
smart fortwo: common ventilation problems
Dirty air ducts
When the ventilation works but a small amount of air enters the interior of the smart fortwo, the air flaps may be blocked. Thanks to a screwdriver flat, do not hesitate to remove the air shutter covers. It is only necessary to check in if these are congested. When this is happening do not hesitate to dust them, but also the valves.
Dirty cabin filter
When you feel efflux and your ventilation lacks intensity, the malfunction must probably come from the cabin filter of the smart fortwo. The latter becomes blocked and accumulates bacteria with time. It is completely normal for it to be dirty, it is there to filter the air that reaches you. There is no manufacturer's recommendation as to when to replace it. We advise you stupidly to remove it, check its condition. When it is completely black, it will have to be changed.
Resistance of the blower HS
When the ventilation buttons on the smart fortwo do not work well, if at all, it is probably related to resistance. This resistance increases the voltage to increase the speed of this turbine. A strange functioning of your ventilation is probably related to a resistance malfunction. This little microchip is difficult to repair. You will have to change it.
HS blower motor
There are two fairly common concerns about the kicker. The brushes may be damaged. Over time, these will be able to be damaged and cause electrical faults. Your fan may run very randomly, and may not even spin at all. It is also possible that the malfunction is the result of bearings of the motor. When the ventilation hisses, like a rusty mechanic, the bearings may lack lubrication. We invite you to comment on this guide when your dysfunction is different to help other readers. See you soon!