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Chevy Silverado and GMC Sierra Climate Control

241 messages,  Last post on Nov 23, 2009 at 6:24 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Heating / Cooling, Truck

#202 of 241 climate control by tattudegringo Jan 06, 2009 (9:40 pm)
2006 gmc sierra 1500 slt climate control fan switch only works up to level 4 thought the problem was blower motor resistor, replaced it and the plug, still doesnt work on level 5, not sure what to do next? any ideas? Replies to this message: easter85 (Jul 01, 2009 6:05 pm)
#203 of 241 climate control reset didn't work by beekeeper Jan 10, 2009 (6:57 am)
I shut off the climate control, unhooked the battery and the fan continue to run when I put the fuse back in. Any help?
#204 of 241 manual switch by bubby_wubby Jan 11, 2009 (4:13 pm)
does antone know if you can change the manual heater controls with then electric auto climate control in a 08 1500
#205 of 241 2008 sierra poorly performing defroster by jason5817 Feb 11, 2009 (3:01 pm)
My Sierra 5.3 defrostor vent seems to be too small to properly heat the entire windshield. The vent seems too small. Has anyone encountered this problem? The older styles have three vents compared to the one vent on the current models.
#206 of 241 2001 sierra only blowing through defroster by tlonewolf Feb 20, 2009 (10:05 pm)
air only comes out of defroster no matter where the knob is, also makes no difference if its on heat or a/c. sounds like the air is coming out of the back of the dash itself. Already tried resetting the computer and changing the fuses. I can not find an air leak in the vent hoses for the vents in the dash. Anyone have any other ideas of what or how to fix this?
#207 of 241 Re: 2003 Silverado Blend Door Actuator [canam2] by tcinaz Mar 17, 2009 (10:00 pm)
Replying to: canam2 (May 09, 2008 3:34 am) I had the same problem with my 04,this was after i had a water pump installed. Heres what happens,when you remove the battery cable to service the truck and then reconnect it,the blend doors go to places they have not been in 100 years.If dirt/coke is in the door it sticks in a location.Remove the - battery cable for 5 minutes and then re connect it.This should discharge the caps and move the doors back to where they belong.,,,,,hey it worked for me and the estamate was 700.00 bucs .   TC
#208 of 241 Re: 2003 Chevy Silverado ac only blows through defrost [tsh1282] by jimm10 Apr 15, 2009 (5:25 pm)
Replying to: tsh1282 (Jun 27, 2008 4:53 am) Did you ever get this fixed? If so, how? I have the same problem. thx
#209 of 241 2004 Hvac Dual Climate hot one side cold the other by jimm10 Apr 16, 2009 (4:15 pm)
My 2004 silverado developed the one side hot, other cold syndrome after a battery swap. Eventually, I got the driver's side cold and passenger side lukewarm. I tried the reset method of disconnecting the battery, waiting 10 minutes and letting it reset for a few minutes. Now, it is worse. the driver's side is blazing hot ( was cold ), and passenger side is cold! It changed places. I just had the system evacuated and recharged. Anyhow, after I reconnect the battery and turn the key to power it up ( not start engine actually ), the control panel lights up and is " operating" before I can turn it off and let the thing recalibrate itself. I can hear the various doors opening and closing. What am I doing wrong ? Please help. Replies to this message: ply1977 (Apr 16, 2009 5:03 pm) jimm10 (Apr 17, 2009 6:19 pm)
#210 of 241 Re: 2004 Hvac Dual Climate hot one side cold the other [jimm10] by ply1977 Apr 16, 2009 (5:03 pm)
Replying to: jimm10 (Apr 16, 2009 4:15 pm) I have the same problem. When I start my 03 chevy silverado, I hear the vent doors opening and closing about 30 seconds. During that time I have air blowing through the regular vents. After that, the air only blows from the defrost vent. I tried to disconnect my battery cables to see if it would reset. No luck. I don't know what to do. I could take it in, but the cost I imagine would be high.   Patrick Replies to this message: jimm10 (Apr 17, 2009 6:19 pm)
#211 of 241 Re: 2004 Hvac Dual Climate hot one side cold the other [ply1977] by jimm10 Apr 17, 2009 (6:19 pm)
Replying to: ply1977 (Apr 16, 2009 5:03 pm) New development, I removed the actuator that is right over the transmission hump. I could not find the passenger side actuator and I don't think I can ever reach the driver side one. Anyhow, I opened it's case and did not see any broken or cracked gears, so I reinstalled it. I figured out which way the door " closes ?", and tried to index the actuator by turning the key. It went way too far, I think. It would not even mate with the shaft. So I bumped it a little until it indexed in line and it slipped right in and bolted up. Now, I have very cold air on both sides for a few minutes. Then, it isn't nearly as cold on the passenger side and almost as cold on the drivers side. All the mode functions work as directed at least. Before, it was hotter than blazes on one side and sort of cold on the other. Does anyone out there think at least I am on the right track and should replace that actuator? Thanks for any opinions.

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