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Showing results for tags 'no air'.
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Alright Gents, I'm new to the forum. My truck is a 2012 Silverado LTZ Z71 and it has the dual climate control and auto climate button. Heres the problem: About two weeks ago my air quit working out of no where, it would not work at all! Okay, so I replaced the blower motor and resistor and harness, still no air. So, then I replaced the in dash climate control module. The air will work, however it works when it wants to. I can cut the truck on, cut the power on and it wont work, but I'll be d****d if the air works after I've been sweating for a good hour while driving around in this Alabama heat and try turning it on at random! Sometimes, I can take out the fuse to the module and leave it out for a few minutes and out it back in and it work for a few hours with me cutting it on and off as I enter and exit the truck. I finally said to h*** with it and took it to a shop this morning, they called and said that it was the climate control module, that I just replaced mind you, and that they are waiting for a call back from the dealer because the module is a dealer part. I just now got to thinking about something...is there a specific procedure that you're supposed to follow after replacing the climate control module?? Am I missing something??? For the record the resistor did need replacing and I went ahead and replaced the blower motor as well since the old one was starting to lose it's umph and not push air like it used to. So, again...am I missing something here? I've looked and looked, and I'm not the only one with this problem, however no one has the exact problem. I'm really at my wits end guys! I work outside, so yeah I'm pissed right now because I cant escape this dang heat.
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I had the problem that a lot of people have had with their blower motor resistor. basically, all of a sudden, your heater blower stays on ALL THE TIME, and you have to pull the fuse and replace the Blower Motor Resistor. So, I went to change it out, and i found out that since i have the HD model, there is AUTO temp control, so i had to buy the $90 one. Ok, so i did that, and replaced it. Well, now the blower motor doesnt stay on all the time, so that's good. The problem now is there is no vent control, and no air coming out of ANYWHERE. I have FULL blower control, with all the fan speeds working, but no air. I know the blower is working, because I can hear it doing what the control panel is telling it to. I can feel the heat, and if I let it sit for long enough it will warm up in the cabin, but it's just from air seeping out, not from any legitimate airflow. I am seriously losing my mind with this truck lately... any suggestions would be really great. also, is it possible that the new motor resistor, while fixing the heat-staying-on issue, somehow is the wrong resistor, and maybe causing something else to go haywire?? I got it at Autozone, so i doubt that it's the wrong model, but still....thanks -
Folks, Good day and thanks for taking the time to read my post. I have a 2002 GMC HD2500 with the 6.0 gas and I can't get the air to come out of the vents in the cab. The blower has all its speeds, you can hear it run but I can't seem to get the air to come out of the vents. I do believe I have a broken vacuum hose leading into the control box for the vents. At least that is how things worked in the old days. If this is true, I have looked all over the firewall and cannot find any vacuum hoses that go through the firewall into the cab. Does anyone know if the HVAC doors are still controlled by vacuum in the 2002 Sierra 2500 HD? If so, any idea where the line is hiding out? I just heard that the HVAC control system for this vehicle may be all electronic. So it comes down to the actual actuator or the control head. Has any one experience in this area? Thank you to all that take the time to read these posts. We really do appreciate you! Chris
