Lincoln/Mercury Repair: 02 Navigator ac, cold line, ac unit

Question
I have an 02 Navigator that blows warm air when I turn on the ac unit.  I might need a recharge but I can't find the cold line under the hood.  I see the line but not the insert for freon.

Thank You
Kermit

Answer
Hi Kermit,

Couldn't find mine either! I do have a lousey diagram and would be happy to email it to you. But, I strongly suggest taking to an A/C expert because this is a closed system. Meaning, if your low on freon, your leaking. It is not easy, unless you get extremely lucky, to find the leak unless you have the right equiptment. If you insist on doing this yourself, I will gladly send you the diagram just supply me with an email address. Good luck with this.