Coolant is a fluid at a lower temperature than the process that can be used in heat exchangers. Refrigerants are materials which can go through a refrigerant cycle.
Ice.
Same thing, R stands for Refrigerant.
Nothing
It is called Refrigerant not Coolant. Your 1999 Ford uses R134 refrigerant.
You will have to replace the refrigerant, but not the engine coolant.
The difference between brands of 134a refrigerant are largely in their quality control and price. In order to keep with standards, all are required to sell compatible refrigerant.
Refrigerant - not coolant - and no, they are not compatible.
The main difference between red and green coolant is the additives. The red has extra anti rust inhibitors useful in certain engines.
No its not. 409a is compatible with r-12 but not 134a.
Anti-freeze is a coolant that should be mixed 50/50 with water
you can just read the back of the coolant and it pretty much tells you
The refrigerant is R134a.
Decrease temperature difference between cold coolant and hot coolant