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
cougar 99 where is coolant temperature sensor
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.
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.