Question about 2007 Pontiac G6 GT Convertible
Ice cold air comes from the defroster and out by the floorboards... but nothing comes from the front facing vents.. no issues until two days ago, but I live in florida and it's unbearable without AC. What to do?
Vent selections are sometimes powered by vacuum, and fail-safe to the defroster position when the flow is disrupted.
Posted on May 07, 2014
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Posted on Jan 02, 2017
There is a mix damper inside your duct that controls the heat over heater core and ac evaporator that to your floor and one to your defrost. it is probable an electric actuator, that is not functioning properly. If yu can locate it and manually move it, you might have to remove the actuator motor first, you should be able to figure out your problem, I hope this helps! merry Christmas!
Posted on Dec 22, 2008
under the hood on the firewall there is a square boxlike cover beside the maxifuse&relay. there is a vacucum hose there that controls the vent shutoff had same problem with my 93 bonneville sse when purchased, check to see it has no cracks or has pulled out of rubber connecter .
Posted on Mar 28, 2009
SOURCE: ac vent problem
Damper/flap for driver's side is probably stuck. Try moving the selector from cold to hot several times. Also, move the recirc/outside air control if the previous doesn't work.
Posted on Jun 02, 2009
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