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GMC dash vents not blowing out any air

2011 GMC Acadia not blowing out any air whatsoever out of the front vents. (the vents that are sopposed to blow air on the uppermost section of the body

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

  • 16 Answers

SOURCE: No air blowing from the dash vents

sounds like you have a vacuum problem

Posted on May 04, 2009

mechanicm639
  • 253 Answers

SOURCE: Dash vents will not blow air

It may be the mode actuator. Have you heard any clicking or other strange noise ? Under the drivers rear seat, in a plastic box is a fuse panel. Remove the two retainers, and the cover. Remove the HVAC or A/C fuse for a minute or two. Reinstall the fuse and this will make the A/C system relearn. Whwn you put the fuses back do not touch the A/C controls. Start the truck and leave it run for two or three minutes. Then try to change the vent from floor to vent and defrost. If this does not work you will need a mode motor. Good Luck

Posted on May 22, 2009

  • 1 Answer

SOURCE: Dash vents will not blow air. Defroster and floor vents blow fine.

Is it a new vehicle? I had a new vehicle that had the same problem. Answer was that the holes weren't punched out of the vent.

Posted on May 23, 2009

  • 162 Answers

SOURCE: blowes air throught defrost vents only

its a problem with the switching mechanism. you have to look up under the dash to see if you can see where the switching mechanism is. if you can not see it from there youll have to remove complete center dash

Posted on Apr 04, 2010

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2 Answers

I have a 2011 GMC Acadia and the ac is stuck on heater. It blows good it just blows consistent heat out of all vents. It's summer time in Texas and I need it fixed asap! Thanks!


Check the actuator motor on the side of the heater box under the dash. It has small arms that direct the paddles inside the heater box for heat and ac.

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sounds like the blend doors are stuck shut. when you switch it to defrost does the air come out the windshield vents?

Feb 02, 2016 | 2010 GMC Acadia

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2010 gmc acadia only blows cool air on passenger side and blows hot air on drivers side?


check the actuator door on the heater that directs the air. It will be in the middle of the dash under the dash.

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2010 GMC Acadia driver side vents blow cold air passengers side blows hot air both set at same temperature


There is a blend door on the plenum. It is stuck or not working for some reason.

Apr 17, 2015 | 2010 GMC Acadia

1 Answer

GMC Acadia AC not working properly


Not sure if I'm too late to answer this one, but you're describing a low refrigerant condition. The hissing noise and constant cycling of the compressor clutch are indicators of that. You should recover the system, record how much refrigerant was recovered, evacuate the system (with a vacuum pump), add A/C dye, and recharge the system to capacity. Common leak areas on these vehicles include the A/C condenser (located in front of the radiator), and the evaporator (located inside the dash, and requires complete removal of the interior dash to replace it). If you can't find a visible leak after running the recharged system with dye for several weeks and it starts to blow warm again, you will need to use an R-134a leak detector to "sniff" areas of the system for a refrigerant leak.

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2001 yukon gmc a/c blows cold to rear warmer air to front a/c


Could be a blend door problem under the dash.

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99 GMC Sierra 4.8 1/2 ton 2 wheel drive new body style ac does not blow cold air from the front vents on the dash? Still get some cold air from bottom by floor vents,


if both vents are blowing air in general then you may need to get your air conditioner recharged, but if the front vents aren't blowing at all then you may just have a jammed vent flap and you can fix that from under the hood next to the blower motor. check you rowners maual for the exact location

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1 Answer

My driver side is blowing cold air and the passenger side and rear air vents all blow the correct temperature selected. Help! 2007 acadia


"My driver side is blowing cold air...." Hi, viewer! you could be trying to say that only the driver side air vents is not blowing air as it should be basing on your selected control settings, right? If this is the case, you could be having a a malfunctioning left- temperature actuator. This will require careful diagnostic tests, and i just hope the problem is only on that actuator, otherwise the other next possibilities can be more costly. goodluck, though. : )

Jan 23, 2011 | 2007 GMC Acadia SLE

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