2013 Gmc 2500hd Air Only Blows Out On The Floor

Jun 15 2013 9 35pm.

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

On the a c controls nothing happens when i change the mode from defrost to vent and other settings. Joined jul 3 2010 105 posts 7 jul 19 2010. Regardless of what setting i have it on the air only comes out of the dflefroster and a little on the floor. Chevy truck forum silverado sierra gmc truck forums.

I have put it in full auto mode manually changes the modes and nothing changes. 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. Heat and ac both work and fan works at all speeds but i.

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. Fan only blows defrost won t change to floor or vent. So i am having trouble with my ac and heater. And it s stuck on floor and panel 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. Current 2004 gmc sierra 2500hd slt lq4. I have a 2004 gmc sierra 1500 with the duel climate control a c. Jun 28 2016 12 13pm.

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. 2009 gmc sierra 2500 hd 43 000 mi visitor. Chevy truck forum silverado sierra gmc truck forums. Jump to latest follow.

Air only blows out the defrost on the dash. 2013 gmc terrain not blowing any air out of front vents. Unit and heard something kinda burn up and didnt know what it was but when i. How do i determine what the cause is.

Air won t blow out of the dash. The a c and heat work fine but only blows out the defrost vent on the dash. Air only blowing out of defrost and floor. But our sons very smart gmc guru figured out it was the ignition switch.

Air only blowing out of defrost and floor. Feb 28 2019 8 04pm. The air will only come out the floor or the defrost and it will only work on low or high nothing in between. Everything worked fine until the autostart run the battery dead and the poor truck.

I discovered today that i only receive air through the defrost vents. Tried to change it to the floor or the dash vents no deal. My truck has dual climate control digital. Will not go to floor only defrost only or panel vent only.

Jun 28 2016 12 41am. I have a 98 and it does this about every other year. 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.