the reason why it is blownig cold air out is probely because your water pump has packed up or it could be your thermostat has stoped working water pumps are around £60 and thermostat's are around £30 from a main Ford dealer.
2 ford mondeo not blowing hot air air con works
The most common reason the heater is blows cold air on a 1999 Ford Winstar is a bad thermostat or blocked heater core.
Feel the temperature of the heater pipes in the engine bay, where they pass through the front bulkhead. If they are both hot then the fault is most likely the air regulator flap stuck. Look here http://tinyurl.com/67pl3d for help.
If it stops blowing cold air then your clutch on the compressor is probably not any good, or it could be that you need to recharge your freon and lubricant
yeah it because theirs not a lot of air coming in to the car
if its blowing, but not blowing cold its low on coolant. it takes r134a.
I assume that this is a petrol engined Mondeo The Mondeo's idle speed is controled by a sealed air system Most erattic idling problems are caused by an air leak somewhere in the system.
Blown fuse (compressor clutch) refrigerant leak
That typically means that the refrigerant level is low.
There are a few reasons why a central air unit is not blowing cold air. The coils may be dirty, the unit may need freon, or the thermostat could be broken.
The compressor is so hot b/c there are fans inside that push the hot air out of the refrigerator. No cold air is blowing out b/c the cold air is going into the fridge.
you might want to think abought chaging your water pump