Air Conditioning does not work

The AC is on

the compressor is running when I checked

the air is warm whether or not the vent is on or off

i can hear some kind of noise from the passenger's side. Is that meant there is a leak?

What else should I check?

Thanks.

Thanks a lot for your replies, KHLow2008

Finally, I brought my car to the auto shop dealer for the AC check and there is a leak from the high pressure pipe/tube as they told me

how easy and how much it costs to replace the pipe/tube estimately?

Thanks.

Another mechanic checked and told me the leak is coming from the AC evaporator and it would cost $690 to fix it.

I am not sure who is to believe?

Any suggestion?

Thanks!

Thank you, KHLow2008

Replace the high pressure line yourself. Buy a new line or go to junk yard and get one and charge the system up before spending lots of money.

My air conditioning just stopped working, when I press the AC nothing happens, before I could immediately hear the compressor turn on. I could not find a fuse in the under dash fuse box, is there another fuse box? Is the AC not working?

Engine compartment, is where another fuse box would be located?

Also even if the system needed charging would the compressor still turn on but just blow warm air?

Air Conditioning problem
2001 Nissan Xterra Automatic

My air conditioning smells like an odor! Where is it located on the car so I can get the filter cleaned. It smells like body odor! I really need to change this out this smell makes me want to vomit.
Thank you.

Hello I have my xterra, my ac is not working I just put 134a+ refrigerant just install new thermal control amplifier new pressure switch my ac light in my dash comes on compressor is good can you guys help me please thank you

This is what I did In fuse box I found the compressor fuse I brige from the batery + to the wire the goes to the compressor Works and I can get cool air but when I put the fuse back stops working like I say the ligh in the dash it's on the pipes on gets cool and the other one gets hot it's that normal? I change the bottom in the dash to any idea

The a/c clutch relay it's new and the presure swich is new and I getting power

I have a 2000 Xterra and air just quit working. Compressor wouldn't come on and light was coming on. The 4 wire plug on top of bottle on pass side, I pulled it out and put back in an tried to get plug out on top of compressor but couldnt get it come out. I tried it again and it started working. Check all your plugs, one of them might not be getting connection.