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Old 06-08-2011, 10:28 AM   #1
wallow
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Default Dual Air Conditioning Problem

My 2004 Accord EX also has a dual AC problem -- passenger side blows cold, driver side blows hot, regardless of setting.
Before moving I took it to a Honda dealer and paid $50 for a diagnosis. They said that the compressor had 2 sides and one had failed -- very expensive replacement, and they couldn't fit me in before I moved anyway.
But now, after reading this forum, I am not convinced! Why is it always the driver side that seems to fail?? Could it be that the problem is with the air direction controls?
I don't want to pay for a very expensive compressor replacement if the problem is something else.
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Old 06-08-2011, 11:49 AM   #2
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Default Re: Dual Air Conditioning Problem

First of all, whoever told you that the accord has a dual cooling solution is full of crap.

Second, do not say "My A/C blows hot air." A/C does not blow hot air in ANY car, its the sun that heats up the dash that makes it hot.

Merging to this thread will help a lot:
http://www.honda-tech.com/showthread.php?t=2935451

And an overview of how A/C works, and some basic diagnostics:
http://www.honda-tech.com/showthread.php?t=2900177

Does your accord have dual temperature control or not? If there is not a separate temperature control on the drivers and passengers side, yours is not dual mode.

Read that first thread and perform the tests that I suggested in there. Usually, cooling on one side and not on the other is a refrigerant level problem, because there is not enough to go around.

Put your can is a shady area, and let the A/C run for about 3 minutes. Check all the vent positions, and ensure that when you switch to floor, or defrost, that the air moves. Then make sure that the temperature changes on all those positions. Turn the heat on your side on, it should get very hot, if the temperature does not change, you have a drivers blend door problem. Next close the passenger vents, then turn on the heat on that side, and turn it to cold on yours. You may or may not notice cool air on your side, a sign of low refrigerant.
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Old 01-21-2013, 06:56 AM   #3
Darde001
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Icon2 Re: Dual Air Conditioning Problem

Quote:
Originally Posted by wallow View Post
My 2004 Accord EX also has a dual AC problem -- passenger side blows cold, driver side blows hot, regardless of setting.
Before moving I took it to a Honda dealer and paid $50 for a diagnosis. They said that the compressor had 2 sides and one had failed -- very expensive replacement, and they couldn't fit me in before I moved anyway.
But now, after reading this forum, I am not convinced! Why is it always the driver side that seems to fail?? Could it be that the problem is with the air direction controls?
I don't want to pay for a very expensive compressor replacement if the problem is something else.
I am having the same problem with my 2006 Honda EX. I have the navigation system so it makes it even harder to follow the diagnostic plans I have seen, and the two center vents aren't capable of closing at all (only redirecting the air). I have dual air controls. I have tried every setting available... even turning the AC system completely off doesn't help, although at that point the air is not as hot, it is definately still warm on the drivers side.

It just seems so weird that the drivers side blows hot air (not vent air - it's HOT) the passenger side blows cold air like it should. Is there a hose that could have come loose? A damper?

I can't afford any major repairs so I was hoping you have some suggestions my husband might be able to fix.
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Old 07-15-2014, 02:27 AM   #4
boca
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Default Re: Dual Air Conditioning Problem

Any updates here?
My 2006 accord with navi is blowing hot hot air from passenger vents, and cold air from driver side
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Old 07-21-2014, 09:12 PM   #5
Darde001
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Default Re: Dual Air Conditioning Problem

Still don't know what the problem is. It seems to get stuck when I use the heater - like a valve gets stuck???
My husband ended up disconnecting something under the hood by the dash so I can have AC in the summer and hooks it back up for the winter so I can use the heat. I wish I could find a better solution!
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2004, 2011, ac, accord, acura, air, blows, conditioning, driver, drivers, dual, honda, hot, left, problems, side, tsx

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