Originally Posted by
martysmartie
It could be a faulty heater control valve, does it feel as if the heat control knob is connected when you move it? some have this under the bonnet so it's easy to check operation and replace if need be, this is a common problem on older Fiestas etc.
Martin
if i move it to the maximum cold it clicks like its opening and shutting sound and same again when you put it on full hot
(from in side the van moving the heat knob from blue to red with the engine off is that what you mean)
thanks again