2004 Honda Accord Dual zone climate control

Tiny
TWGRAVER
  • MEMBER
  • 2004 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 46,000 MILES
It's hot in Atlanta and my AC isn't helping. Hot air blows from the driver's side vents. Cooler air (but not as cold as would be normal) blows from the passenger side. No control mode nor fan or AC setting seems to change this. My mechanic says the AC mechanical system is performing correctly (per his test equipment).

Any ideas?
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Thursday, June 26th, 2008 AT 8:12 AM

6 Replies

Tiny
DOCFIXIT
  • EXPERT
Have the car coded go to Auto Zone they can do this. Give us the codes if any.
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Thursday, June 26th, 2008 AT 8:30 AM
Tiny
TWGRAVER
  • MEMBER
Thanks for the tip about Auto Zone. I didn't know that they provided this service. However in this case they said there must be no codes since the check engine light was not on. "The AC system won't show codes." Should I have been more persistent?
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Thursday, June 26th, 2008 AT 11:28 AM
Tiny
DOCFIXIT
  • EXPERT
Due to the complex system you have I recomend you look for an AC specialty shop that is A.S.E. Certified. They can diagnose and give repair quote for a nominal fee. Then let me know what the repair is going to be and I can tell what is going on.
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Thursday, June 26th, 2008 AT 11:42 AM
Tiny
KHLOW2008
  • EXPERT
Hi twgraver,

I believe it is the air venting system that is not working well.

Over time of usage, the sponge sealing the vents might have worn off resulting in air leakage internally.
This would result in inaccurate air mix for the AC thus different temperature from the vents.

It could also be the air mix control unit that is faulty thereby providing wrong vent opening and closing.

Does the heater work ok?

Does setting the AC temp at different level changes anything?
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Thursday, June 26th, 2008 AT 12:58 PM
Tiny
DOCFIXIT
  • EXPERT
KHLow
Thanks I am not that familar with Honda auto control
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Thursday, June 26th, 2008 AT 1:06 PM
Tiny
KHLOW2008
  • EXPERT
Docfixit,

You are welcomed.

For the newer models, not much data is available on AC climate control system.

Hope what I have provided is helpful to twgraver.
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Thursday, June 26th, 2008 AT 1:21 PM

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