406 1.8lx t reg temp guage/interior heaters/rad

had car 4years no prob's.temp guage normally reads around 85 interior
heaters nice and hot, but today i drove car for about 15 mins and the temp
guage was only just over 70 and heaters not as hot as normal. i stopped car
and popped bonnet to check pipes. engine was warm pipes going to interior
heaters warm but pipes going to radiater were still cold. the thermostat
housing was warm but hose coming from it to rad were cold. drove car back
home checked again still the same.any ideas?

 

Are the electronic cooling fans running all the time
Mike

 

checked to see if electronic fans were runing and they were, all the time.
all sorted know cheers hope you can help again sometime (on a tight budget
garages so dear) thanks 4 ya help.
roger