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Passenger side but blows hot?

Tiny
BLACK SNAKE
  • MEMBER
  • 2004 HONDA ACCORD
  • 155,000 MILES
The ac blows ice cold on the passenger side but blows hot on the drivers side. I have replaced the evaporator and the air control motor on thd drivers side. What I can I do to fix?
Sunday, February 24th, 2013 AT 6:40 PM

13 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What about the blend door motor for the drivers side? Here are diagrams below to show you the location of the blend door actuators. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Sunday, February 24th, 2013 AT 6:45 PM
Tiny
BLACK SNAKE
  • MEMBER
  • 3 POSTS
That is the motor that I replaced and it still blows hot air
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Sunday, February 24th, 2013 AT 7:18 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
There is a mode door motor for air direction, which is what you indicated, and there is a blend door motor as well. Which did you replace?

Roy
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Sunday, February 24th, 2013 AT 7:37 PM
Tiny
BLACK SNAKE
  • MEMBER
  • 3 POSTS
Opps I replaced the wrong one, I got the correct actuator everything works great thank you.
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Sunday, February 24th, 2013 AT 8:01 PM
Tiny
NATTIE62
  • MEMBER
  • 1 POST
  • 2004 HONDA ACCORD
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 74,000 MILES
Hello: I have a 2004 Honda accord. The driver's side air conditioner vents are blowing outside air and will not get cold. But the passenger side vents work just fine. All the vents are operated with the same controls. The fans are working and the air is blowing out but all vents on the driver's side (even the floor) won't get cold but all the vent's on the passenger side work great. Can you please help.

Thanks.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi nattie62,

Seems the air mix control is asleep. Try turning the control to max heater and then slowly turning it to AC. Might require a few attempts before it works out.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
TOMJANETSOIL
  • MEMBER
  • 1 POST
  • 2003 HONDA ACCORD
Air Conditioning problem
2003 Honda Accord Two Wheel Drive Automatic 140000 miles

AC blows cool but not as cool as should be from vent at far side of passenger side of car, somewhat cool from one vent in center of car on passenger side of center, warm from other vent in center of car on driver side of the car (these vents are side-by-side in center of dash), and hot from vent at far side of driver side of car. Replaced compressor and one hose. Worked well for one day. Same symtoms returned: hot on driver side and cool on passenger side. Uncertain what to do now.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
HONDA TECH 1818
  • MECHANIC
  • 536 POSTS
Did they recheck for leaks after they replaced the AC compressor? The AC system is low on refrigerant, there could be a small leak somewhere. You could ask your mechanic to put dye in the AC system and check for leaks.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
JEREMIAH
  • MECHANIC
  • 217 POSTS
If the air mix motor turns out be working properly you could have a clogged evaporator that only gets cold on one side. It's not common but its been known to happen. Check the drain tube underneath the car to make sure water is coming out and not clogging up the evaporator.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
BLEDSOE
  • MEMBER
  • 4 POSTS
  • 2003 HONDA ACCORD
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 172,000 MILES
No heat on the passenger side only?
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Does your car have separate left and right temp control?
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
BLEDSOE
  • MEMBER
  • 4 POSTS
Yes
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
The temperature is controlled by the use of an air mix door that is operated by an electric motor/actuator. This door can be jammed or the actuator can be inoperative or have stripped plastic gears internally. This guide can help you see what's going on with diagrams below to show you on your car.

https://www.2carpros.com/articles/replace-blend-door-motor

Check out the diagrams (Below). Please let us know what happens.
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Tuesday, December 1st, 2020 AT 12:24 PM (Merged)

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