I've got a 2002, A/C blows ice cold then outside warm for approx. 5 seconds, long enough for me to hear a door pop either open or close. The A/C will blow cold for about 1 minute, then blow what feels to be outside warm for about 5 seconds. It dosen't matter if I'm driving 75 mph or setting still at idle, everytime it happens I can hear what seems to be a door pop. Compressor is working, big line is cold and dryer is cold. I'm no A/C man and I don't want to have to give up my first born to a shop to fix, if you know what I mean. Any ideas or thoughts would be appriciated.

 

There was a post about another guy with this same problem a couple of weeks back. Just look back through the last few weeks posts.

 

Okay, that might have not been my nicest or friendliest post. That isn't right. Lots of people have helped me since I joined this forum. Let me see if I can find the thread I am referring to.

 

Here is the thread I was referring to.
https://www.dieseltruckresource.com/...e-t296126.html

 

Thanks for the Thread TallGuy, this info will help me out. I'm going to get started today, hopefully issue will get resolved. Once again thanks, you may be a life saver.