Freon is added into the low side port of the ac system. It should be located on the passenger side of the engine visible on an aluminum pipe.
Buy a kit at Wal-Mart or auto parts comes with instructions
The 2001 Mercury Cougar does not contain Freon. Freon was banned in 1996. I suggest you take this vehicle to someone who has the knowledge, tools, and skill, to repair the A/C system.
What type of freon does a 1993 cougar use
r134a
You can find the 1997 Mercury Cougar low pressure port on top of the air conditioner compressor. The low pressure port will have a blue top.
cougar 99 where is coolant temperature sensor
R134a
R134a
Freon R-134a.
How much freon does 99 Tahoe with rear ac hold
r134a
A 1999 Cavalier does not use Freon as a refrigerant.