2013 Gmc 2500hd Air Only Blows Out On The Floor

And it s stuck on floor and panel vents.

2013 gmc 2500hd air only blows out on the floor.

Air only blowing out of defrost and floor. How do i determine what the cause is. So i am having trouble with my ac and heater. Chevy truck forum silverado sierra gmc truck forums.

On the a c controls nothing happens when i change the mode from defrost to vent and other settings. Chevy truck forum silverado sierra gmc truck forums. Jun 28 2016 12 41am. Our 04 sierra 2500hd has had on and off problems the last year.

The air will only come out the floor or the defrost and it will only work on low or high nothing in between. My truck has dual climate control digital. I have a 98 and it does this about every other year. I have put it in full auto mode manually changes the modes and nothing changes.

Fan only blows defrost won t change to floor or vent. I discovered today that i only receive air through the defrost vents. Which sounds like an actuator i just don t know which one. Gmc sierra 2500 hd heating and ac temperature and air delivery mode door actuators may fail 169 reports.

My wife has a 2009 acadia and no matter was mode you have the vents in dash vents floor vents both the air blows 75 from the floor vents 25 dash vents. Will not go to floor only defrost only or panel vent only. 2009 gmc sierra 2500 hd 43 000 mi visitor. Air only blows out the defrost on the dash.

I can adjust the ac heat no problem it s just not coming out of the front vents or the floor it only comes out of thr defrost vents. The a c blows cold but sometimes hardly blows any air out the vents and makes a rattling flapping sound on the passenger side by somewhere near where the fan is. Feb 28 2019 8 04pm. The a c and heat work fine but only blows out the defrost vent on the dash.

2013 gmc terrain not blowing any air out of front vents. Tried to change it to the floor or the dash vents no deal. Jun 15 2013 9 35pm. Air won t blow out of the dash.

Regardless of what setting i have it on the air only comes out of the dflefroster and a little on the floor. But our sons very smart gmc guru figured out it was the ignition switch. I have a 2004 gmc sierra 1500 with the duel climate control a c. If you leave the fan speed all the way up it will usually work all the time but sometimes you can feel the vents start blowing less and less air until finally it is barely blowing.

Air only blowing out of defrost and floor. Yes the ignition switch 35 00 dollars later we have a c not only in control 1 4 but also in 5 again. Current 2004 gmc sierra 2500hd slt lq4. Heat and ac both work and fan works at all speeds but i.

Jump to latest follow. Joined jul 3 2010 105 posts 7 jul 19 2010. Unit and heard something kinda burn up and didnt know what it was but when i.