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Silverado & Fullsize Pick-ups The Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900
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  #1  
Old 04-28-2008, 06:31 PM
 
Join Date: Apr 2008
Posts: 3
Default dual climate control problem


Please help! My system will make the passenger side go warm even when a cold temp is wanted. It doesn't matter if its in auto or not. The system starts to work fine but then within a minute you can hear it change and then it blows hot no matter what you do. The drivers side is controllable. If you hit the off button and then turn it on again it stays hot. If you turn the key off and restart it will start cold but every time it goes hot. Do you think this is a temp sensor problem? Where are the sensors.. maybe I can test them somehow. Maybe switching them. The dealer says it may be a actuator. Says there are 4 of them.
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  #2  
Old 04-28-2008, 08:04 PM
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Default RE: dual climate control problem

what year is the truck?
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  #3  
Old 04-28-2008, 08:35 PM
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Join Date: Nov 2007
Location: Hutchinson, Kansas
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Default RE: dual climate control problem

Sounds like the same problem I have with my wife!
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Old 04-28-2008, 09:04 PM
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Default RE: dual climate control problem

KBw04.2500, Welcome to the forum!!!
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  #5  
Old 04-29-2008, 10:45 AM
 
Join Date: Apr 2008
Posts: 3
Default RE: dual climate control problem

Wow what a little research can find. Reading several posts on several sites I have found that this dual climate control problem is very common. The solution my dealhore/stealor has is for me to bring in the truck and they will research the problem. NOT. This is a very common problem that needs a very simple solution. Chevrolet should send out a bulletin to owners on how to fix. If you change batteries, yours goes dead, or your doing some maintenance that requires unhooking the positive then your dual climate control will need fixing. BS. Give us the know how on simple fixes. Most posts talk about the passenger actuator needing resetting cause it looses its memory. A lot of posts talk about unhooking battery let stand for 5 minutes and then reconnect. I called another dealer and explained all of my findings and asked for some free advice. I asked if there were any bulletins that covered this. He called back and found one that states… step one clear codes. Would that be unhook battery? For 38 bucks he said they could do it. Tonight I will try and fix this problem and post my results. 38 bucks is a lot of money to me. Does anyone know how to access technical bulletins? My dealer went on line and found one.
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Old 04-29-2008, 03:02 PM
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Default RE: dual climate control problem

Can't help too much without knowing what year the truck is
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  #7  
Old 04-29-2008, 06:22 PM
 
Join Date: Apr 2008
Posts: 3
Default RE: dual climate control problem

well so far so good. I started the 04 truck ..turned off heating/cooling system...turned off truck...pulled red battery cable...50 minutes put cable back on. Started truck...turned system off right away..let truck run for 5 minutes...turned on heating cooling system...wammo been working in all kinds of different ways for 30 minutes. Hopefully it will stay

Thanks
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Old 05-02-2013, 03:18 PM
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Shawnvw,

I've been following this thread as my 2010 Silverado just hit 60,000 miles and my AC went out on the drivers side. I've tried disconnecting the battery, and pulling the HVAC fuses for over 10 minutes and putting it on auto when starting and I get cool air on the drivers side for approx. 12 to 15 minutes and than back to blowing warm air. I've tried doing the battery by itself, the fuses by themselves, and battery and fuses together at least 3 times and its the same result - warm air on the driver's side. I'm at loss for solutions short of having the driver's side temperature actuator replaced. Any ideas? Thanks. Perryrip
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Old 05-02-2013, 03:18 PM
 
 
 
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04, chevy, climate, cold, computer, control, driver, dual, hot, passanger, problem, resetting, silverado, trailblazer, working


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