Driver side A/C problem! - Drive Accord Honda Forums
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post #1 of 14 Old 05-11-2010, 10:32 AM Thread Starter
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Driver side A/C problem!

Hey guys, had a question about a problem on my 2003 Accord, btw its a EX V6.
So I had my Tranny rebuilt a few days ago and before the tranny rebuilt my A/C was working perfectly. Now after the rebuild in which they disconnected the battery, the driver side does not blow cold air. The passenger side works perfectly, it blows hot and cold air, the driver side on the other hand blows hot air if I set to it but not cold air. The air it blows when I turn it to cold feels more or so just like the fan is on or outside air. It is a dual A/C system. If anyone can help out with this, would be great. Thank you!

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post #2 of 14 Old 05-11-2010, 11:21 AM
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That's odd.

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post #3 of 14 Old 05-11-2010, 11:23 AM Thread Starter
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yea, I haven't checked the freon but seems odd that the passenger blows ice cold air and the driver side stays neutral when I turn it cold....
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post #4 of 14 Old 05-11-2010, 05:41 PM
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Originally Posted by gatrhumpy View Post
That's odd.
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post #5 of 14 Old 05-11-2010, 06:38 PM
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Originally Posted by CarlR33 View Post
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post #6 of 14 Old 05-11-2010, 07:12 PM
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Grasping @ straws..
If you pop out your HU - don't know why they'd have to have taken it out at all, but if they did... Make sure they connected BOTH green connectors to the back of the HU. I can't remember what parts don't work if one or the other isn't connected - but it is unhappy if they're both secure...

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post #7 of 14 Old 05-12-2010, 07:14 PM Thread Starter
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Yea, they didn't pop out the hub unit so I doubt that's it. But I don't know, I think it might be freon, not sure.
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post #8 of 14 Old 05-14-2010, 05:13 AM
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Originally Posted by kingmoocow View Post
Grasping @ straws..
+1 don't have V6 or duel a/c, but nonetheless have you checked (All) the fuses?

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post #9 of 14 Old 05-14-2010, 08:57 AM
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post #10 of 14 Old 05-17-2010, 12:01 AM
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Had this same problem twice,and it turns out that my a/c system had a slight leak,and whenever it ran low the passenger side would blow cold and the driver side would blow as if just the fan were on,so jus top up the a/c gas and you should be ok...let me no if this solves your problem.
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post #11 of 14 Old 03-16-2016, 06:47 AM
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I FINALLY FOUND THE ANSWER. You have to replace the HEATER MOTOR SOLENOID for whatever side your having the issue on (passenger or driver side) I bought Heater Motor Solenoid off Ebay for $90. I had the problem on my 2004 Accord. WATCH THE VIDEO.

The link is to a Honda Odyssey but IT WAS THE EXACT SAME WITH MY HONDA ACCORD

Last edited by namegoeshere; 03-16-2016 at 09:31 AM.
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post #12 of 14 Old 03-09-2017, 01:46 PM
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Just started having this issue on my 09 TL A/C blows cold on passenger side and outside air on driver side, I will try ordering the AC heater blower
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post #13 of 14 Old 03-09-2017, 02:25 PM
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If any of the vents are blowing normally, the blower/fan is NOT your problem. Don't just buy parts and throw it at the problem. To me this sounds like it could be one of your air mix control motors. If you do a quick google search on this for your car I'm sure you can find several threads on several forums that walk you through how to check, remove, open, clean, and reinstall these units. Good luck.
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post #14 of 14 Old 03-23-2017, 07:39 AM
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My 07 EX 4 did this completely randomly about 2 weeks ago. I had the heat on in the morning (temp set to 75, both zones), then got in the car in the afternoon when it was warm outside so I turned the knob down to 68 and turned on the A/C. After a few minutes I noticed I wasn't getting cooler and put my hand up to the vent and it was blowing hot, but the passenger one was blowing cold. WTF! So I turned it down to 65, still hot. Then I turned it all the way down to Min, waited a few seconds, turned it all the way up to Max, then slowly back down to 68. It then started blowing cold! I think it just got confused where the door was, or the door got stuck. Either way I haven't had any more issues with it.

Current: 2007 Accord EX-L 4D 2.4L 5MT Alabaster Silver w/black leather.
Previous Hondas:
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  • 96 Accord LX 5D Wagon 4AT White/Gray (wife #1)
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  • 82 Accord LX 4D 5MT Lt.Blue/Blue
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