my 406 heater doesnt completely go to its cold setting, it still seems to mix hot air in, even though the knob is fully anti clockwise. where is the flap that this control operates? is there an exploded diagram about anywhere that shows the flow through the 406's heater system?
i also had a problem with the recirculate flap motor clicking, i removed the motor and set the flap at the extreme of its postion(by turning the cog that the motor acted upon)...is this ok?

cheers all

steve