'99 EB 5.4 - So normally when your A/C blows warm when you're stopped, it's because that A/C booster fan isn't working. So what if you don't have one? My rear/overhead A/C is all I've got at this point thanks to a failed blend door. If I put it on MAX A/C, turn the EATC speed to LO, and close the front vents I still get A/C out the ceiling vents - until I'm stopped at a light or in traffic. So how does the rear A/C work? Can this be addressed without fixing the blend door, or are the two somehow intertwined in a brilliant feat of beancounter engineering?