When should an Air conditioner be replaced?
If it is an older unit and the compressor is gone, it is better to replace the unit and your thermostat. You will see improved operation and lower electric costs. Buy a name brand and you will not be sorry.
To fix the air conditioning on the Peugeot 406, the steps will vary depending on the problem. Often, if the air conditioner does not come on at all, a fuse or wiring will need to be replaced. If the air conditioner blows hot air, the condenser or the coolant system might need to be replaced. If the air conditioner lacks a fan, the blower motor might be bad.