Peugeot 206 HDI air conditioning

Hello: If you can help me, I have a Peugeot 206 HDI of 2003, when putting the air conditioning it goes well on the part of the driver but by the part of the co -pilot comes at room temperature if I close the driver's grilles still exit the same at room temperature, I have changed the pollen filter, I have disassembled the glove compartment in case I saw in the air block somewhat loose or broken and I do not appreciate anything. I await your thank you

You have to first verify the precions and if everything is fine, the bad evaporator has