2005 Peugeot 407 max heat with dual controls but one side is blowing out cold air and the other side is hot air

if you have dual temp control there will be seperate servos/motors to control the temp valve,it sounds like one of them is sticking or not working,you would need to remove and check it

Have you had a look at this similar problem: Max heat with Dual Controls but one side is blowing out cold air and the other side is hot air

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Just to add to my question above, the heating and cold air has flip floppped around now the cold air is on the drivers side and the hot air is on the passanger side.

How do u take it out and check it? I'm not very good with cars so if its something like getting behind the dashboard, I have no idea.

Thanks for your help in advance.

Best Regards

Kevin