No, fan speeds work at all levels but ac does not function properly n actually gets warm and its at that time that the recycle and fresh air buttons cycle back and forth and the ac button flashes on/off.

 

as i've said many times, get rid of that dex-cool. it's crap and gumming up ur engine. i flushed that s--t out of my 04 @65,000 and put in prestone 50/50.knock on wood i've got a buck 66 on him now and nary a problem. flush it out REAL good b4 u prestone it. good luck, man it worked 4 me.

 

Took it back to the Chevy dealership for the 5th time in 3 months. Another $1k job (replaced a/c inlet door) blows super cold for a day in a half and guess what?... came to the same stop light today and the a/c took another dump on me but the engine temp stays cool (below half) WTFFFFFF?