you can tell if its not working by the sound of the blower motor and the amount of air flow coming out of the ac ducts. and also i tore my right side of my dash apart to view the operation of the fresh air door per the tech bulletin i got from my guys at gm tech assist. now i have to tear it all apart again when the 2 new accuators come in.
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tallpaul
2004 buick regal ls sedan
sterling silver-graphite leather interior
1994 olds ciera s sedan
adriatic blue-drk blue interior
P195-70/R14 uniroyal tiger paw touring radials mounted on factory olds aluminum wheels.