Decided to start new topic instead of appending to old. Long story short - started getting clicking noise from inside dash and 'pulsing' of air when intake switch is set to outside air. The secret is using a 7/32 socket and a 90 degree screwdriverPlease see attached file for pictures and instructions for 2003 Vibe.Best of Luck!
Attached files vibe1.pdf (367.2 KB)