Let's not confuse the air conditioning , heating and ventilation of the Renault Dezir. Heating and air conditioning happen to be devices that lower or increase the temperature. The first through the heat produced by the engine block, and the other with the help of a liquid refrigerant . The famous ventilation is all of the circuits and systems that allow air to enter the passenger compartment. The essential component is kicker which emits air inside your cabin. In the event that the air arrives very little if not at all, it is probably a malfunction of ventilation. We will find out in this guide how ventilation works, in order to better identify problems and understand how to remedy them.
How does ventilation work on a Renault Dezir
The ventilation is primarily used to regenerate the air in the interior of the Renault Dezir. Regarding the blower, the latter generally consists of a resistor, a turbine, and a motor. The more the integral resistance of the circuit is lowered, the faster the turbine operates. By turning the button in the passenger compartment, the resistance is reduced.
Renault Dezir: frequent ventilation problems
Dirty air ducts
In the event that the ventilation works but little air arrives inside the interior of the Renault Dezir, it is plausible that these air shutters are clogged. Using a screwdriver flat, you can remove the covers of the air vents. You just have to check inside if they are blocked. If this is what is happening, you can dust them, but also the shutters.
Dirty cabin filter
In case you discern fumes and your ventilation lacks intensity, the malfunction must probably come from the cabin filter of the Renault Dezir. It clogs and accumulates bacteria with the years. It is completely normal that this one is dirty, it serves to clarify the air which reaches you. There is no recommendation from the manufacturer as to when to replace it. We only advise you to remove it, check its condition. In case it is particularly dirty, it will have to be changed.
Resistance of the blower HS
If the ventilation of your Renault Dezir does not work well, or not at all, it is probably due to the resistance. The resistance is used to increase the voltage in order to increase the speed of the turbine. A suspicious functioning of your ventilation can be due to a resistance malfunction. This little microchip is complex to troubleshoot. It is necessary to change it.
HS blower motor
There are several fairly recurring problems with the kicker. The brushes can be damaged. The more time passes, they can be damaged and generate false contact. The fan can work very randomly, and even not work at all. It also happens that the dysfunction comes from bearings of the motor. In case the ventilation whistles, like a rusty mechanic, it happens that its bearings require lubrication. Do not hesitate to comment on this guide in case your dysfunction is different in order to help internet users. See you soon!