Question about 2007 Pontiac G6 GT Convertible

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No cold air coming from front vents?

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?

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  • 82 Answers

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

dgjtex
  • 405 Answers

SOURCE: 2004 Pontiac Montana blows cold air in defrost

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

  • 3 Answers

SOURCE: Heater works ok but wont send air thru defrost vents

check the control knob it may appear to be working but is not turning the actual controller

Posted on Jan 01, 2009

nascarschool
  • 54 Answers

SOURCE: No Air at Dash Vents

there is a hose that looks like a dryer vent only black that connects the vents that may be unhooked

Posted on Mar 11, 2009

  • 4 Answers

SOURCE: Air comes out of the defroster and floor vents but not the air co

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

garydillon
  • 42 Answers

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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Cold& warm/air would not blow out in any vents. Put in new direction switch, air blow in all vents except the defrost vent. Swtich on defrost and it blows in dash vents in your face and nothing coming out...


The switch that controls the air flow is either operated /controlled using either wire, pneumatics, or electrically driven/controlled. Make sure that all of the connections at the damper are intact and working properly. Pneumatically driven is usually the most common on todays vehicles, so make sure you don't have a vacuum leak on any of the damper hoses.
I hope that you have found this information to be useful, and if I can be of any further assistance, please let me know. Thank you for using fixya!

Aug 01, 2013 | 1993 Chevrolet Corsica

1 Answer

AC is only blowing through the defrost vents in the dashboard?


I think your problem is the head unit that selects where the air comes out ie. Face, floor, defrost, or hi-level face and floor. If that's not working then it will not let you switch location that you want the air to come out.

Jul 26, 2012 | 2003 Chevrolet Tahoe

1 Answer

Cold air comes out the defrost vent all the time. 1994 buick le sabre. no air comes out the front registers.


The most common cause is the blend door actuator. It's the door that diverts air between the floor, vents, and defroster. Sometimes the part will get stuck in 1 position. Some cars have cable driven blend doors, others are electronic.

Jun 02, 2011 | 1994 Buick LeSabre

1 Answer

My front defroster is not working at its best, however the back one is working properly. If I add any heat while trying to defrost my windows the problem get worst.


Sounds like the heater core is leaking coolant. If it is leaking it will blow steam out of defrost vents and fog the windshield. Symptoms: low coolant level in radiator, steam coming out vents when engine is warmed up, odor of anti-freeze coming out of vents, wet carpet in floorboard near heater blower motor.
If so, replace heater core.

Dec 07, 2010 | Ford Taurus Cars & Trucks

1 Answer

2003 Trailblazer No air from front face vents


first check to see if you have power going to the actuators when you switch the switch to it location if no power replace controller if you have power and no movement from actuators replace actuator. if actuators move remove hvac box and check for broken blend doors.

Jan 22, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

2002 F250 A/C and heater air flow issues


On my F-250 it does the same but the great thing is that the hot/cold air is not hitting me in the face until it get the right temperature to come out of the vents.

Jul 15, 2009 | 2002 Ford F250 Super Duty SuperCab

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