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2003 STS Air blows cold out of one vent and hot out of another

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Old Jul 29, 2011 | 08:49 PM
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Default 2003 STS Air blows cold out of one vent and hot out of another
When I turn my air conditioner on, cold air comes out of one of the center vents and hot air out of the remaining vents...what is causing this to happen??
 
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Old Jul 30, 2011 | 05:39 AM
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Does it have separate controls for driver and passenger? Possible a blend door not opening i had that happen on a 05 tahoe disconnected battery then hooked it back and all was fine.
 
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Old Jul 30, 2011 | 07:06 AM
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Yes, it does have seperate controls for the Driver and Passenger. I'll disconnect the battery and see if it changes anything. I figured it to be a vacuum problem somewhere
 
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Old Jul 30, 2011 | 12:21 PM
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Yes it might be a vacuum problem but a lot of the newer cars are electronic.
 
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Old May 28, 2018 | 04:33 PM
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Well did that fix the issue?
I have the same problem.
 
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