HI can anyone help

Just recently i seem to be having joads of luck :-

AND ITS ALL BAD

As soon as we get some cold weather the f*****g heater packs in

everything works except that theres NO HEAT

Does anybody have any SENSIBLE suggestions

Cheers .

A VERY COLD ROB.

 

Possibly something fallen off the linkage between the heater **** and the valve behind the dashboard.

 

Bttt

 

does the fan work and it just blows cold or is it the fan that has give in?