2013 Gmc 2500hd Air Only Blows Out On The Floor

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.

2013 gmc 2500hd air only blows out on the floor. I have a 2004 gmc sierra 1500 with the duel climate control a c. Everything worked fine until the autostart run the battery dead and the poor truck. Chevy truck forum silverado sierra gmc truck forums. The air will only come out the floor or the defrost and it will only work on low or high nothing in between.

And it s stuck on floor and panel vents. Tried to change it to the floor or the dash vents no deal. Jun 28 2016 12 13pm. 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.

Will not go to floor only defrost only or panel vent only. I have a 98 and it does this about every other year. Jun 15 2013 9 35pm. Air only blowing out of defrost and floor.

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. Our 04 sierra 2500hd has had on and off problems the last year. Jun 28 2016 12 41am.

But our sons very smart gmc guru figured out it was the ignition switch. 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. 2009 gmc sierra 2500 hd 43 000 mi visitor. Fan only blows defrost won t change to floor or vent.

Joined jul 3 2010 105 posts 7 jul 19 2010. 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. Gmc sierra 2500 hd heating and ac temperature and air delivery mode door actuators may fail 169 reports. I discovered today that i only receive air through the defrost vents.

Yes the ignition switch 35 00 dollars later we have a c not only in control 1 4 but also in 5 again. Regardless of what setting i have it on the air only comes out of the dflefroster and a little on the floor. Heat and ac both work and fan works at all speeds but i. Air only blows out the defrost on the dash.

Current 2004 gmc sierra 2500hd slt lq4. How do i determine what the cause is. Our most recent two was blowing warm air and then stopped altogether. Air only blowing out of defrost and floor.

Jump to latest follow. On the a c controls nothing happens when i change the mode from defrost to vent and other settings. Which sounds like an actuator i just don t know which one. Unit and heard something kinda burn up and didnt know what it was but when i.

My truck has dual climate control digital. Feb 28 2019 8 04pm. Air won t blow out of the dash.