Question about 2002 Cadillac Eldorado

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Replace blend actuator

Hot air on drivers side cold on passenger side

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Passenger side a/c blowing hot

There's a rod assembly that opens and closes the vents in the car for the automatic climate control. It's supposed to open all vents to the AC feed when in AC mode. BUT, if it slips loose, the default status is to feed heat through (you can open a window in the summer, but you don't want AC blowing in your face and on your windshield in the winter). In my case, the driver's side was working right, pumping cold air, but the passenger side was actually dumping hot air into the car. Friend who fixed it for me told me he just had to drop the glove box etc. on the passenger side to get to the rod and slipped it back into place. I'm not agile enough, but if you are, you can probably crawl around under there and figure it out - or get a friendly mechanically inclined young friend to do it for you. Probably in the mechanic's manual for the Caddy (I don't have one).

Think this will fix it for you - did for me.

Posted on Aug 04, 2008

ASEtech
  • 67 Answers

SOURCE: Hot and Cold

The most likely cause of your problem is the blend doors under your dash. If they are not moving like they should it can cause this type of problem. You can look under the dash to see if there are any linkages that are disconnected. Some of these are very hard to change so you might want to take it to a repair shop unless you are very good with cars.

Posted on Dec 03, 2008

carfreak1217
  • 109 Answers

SOURCE: ac vents

One of the temperature actuators are not working it has 2, one for each side.

Posted on Jun 28, 2009

autotherapis
  • 501 Answers

SOURCE: the a/c blows cold air on the the passenger side

Sounds like you have the dual control. If you have already set the pass side on heat, (With so little infor on these we don't know how much you know) and you are still getting cold you basically have one of three problems.

  1. The blend door motor is not working or
  2. the control head has failed.
  3. there is a vacuum leak.
this will take diagnosis.
hope this helps

Posted on Nov 21, 2009

duane_wong
  • 6826 Answers

SOURCE: The Air Conditioning is blowing cold on the

The blend door is not directing the proper temperature air to the passenger side.

Posted on Sep 20, 2010

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1 Answer

Air conditioning system, when you turn on the air conditioner the drivers side blows cold air and the passengers side blows hot air? What causes this problem?


The most common cause of this is that you have a stuck air temperature control blend door, this can be a motor actuator issue or a jammed door or both (common). To replace both parts you will need to completely remove the dash from the car to access the blend door.

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Blend air door actuator (temp)on left side of heater box near the gas pedal below it may be the mode door & passenger side has a temp door actuator for that side.

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I just replaced a a/c heater blower motor resistor and now I have hot air on drivers side and cold air on passengers side and in the rear. .


Sounds like driver side blend door is not functioning, either actuator bad or door has broken, remove actuator see if door moves freely, if door moves freely test actuator, leave out and connect wiring, move controls from cold to hot see if actuator moves.

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Why does it blow hot air thru drivers side and cold thru passengers side


You have a problem with either the blend door actuator of the door itself.

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2000 dodge durango


I assume this truck has daul zone heating and a/c, the air blows but is not hot? if this is the case then you may have dissconnected the blend door actuator or it just went bad. this is common that the actuator goes bad,
there are two seperate actuators that control the hot/cold door in the heater box this way the passenger and driver can set there on temp.
the actuator for the drivers side is locted on the drivers side under the dash on heater box, the blower is on the passenger side , you can check connections but i do not think it is that but rather the actuator.

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1 Answer

2003 chevy trailblazer blows cold air on passenger side and hot air on driver side


Sounds like a blend door actuator failure,11_24_2012_3_52_06_am.jpgMight as well replace both sides

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3 Answers

Driver side blowing hot air passenger side blowing cold air


I'm having the same problem except on mine it's the driver's side that's blowing cold. Do you have the pictures in a finer resolution? I can't make them out and when I zoom, they are too grainy. Does the replacement require removing the dashboard? What's the general cost of the acuators? Are they readily available at like NAPA or other parts stores?

Nov 26, 2011 | 2006 Kia Amanti

2 Answers

AC blows hot air on the driver side and cold air on the passenger side


You may have a bad temperature door actuator motor on the drivers side. The actuator is what moves the temperature blend door and when it fails it usually moves the door all the way to the "hot" position. Sometimes if you shut the vehicle off for a bit then restart it the system will work fine for a while then the actuator will again swing the door all the way open or shut. I've replaced several of these actuators [both drivers side and passenger side] for similar problems.

Jul 08, 2010 | 2005 Chevrolet Silverado

1 Answer

Passenger side only blowing cold air.


You need to replace the "blend" door actuator motor on the pass side. I recommend getting that from your nearest gm dealer to ensure proper fit. When you adjust the air from cold to warm to hot, the blend door moves to direct the right amount of cold, or warm, or hot air your desire on that side of the vehicle

Dec 04, 2009 | 2000 Buick Regal

2 Answers

How can I fix


This is either an out of phase issue or a temperature control blend door or blend door motor actuator problem, it can also be the climate control module in the dash, 1st try disconnecting the battery for 5 min's to re-sync the climate control module, if this fails u will need to find out what blend door is the problem or if they are ok replace the automatic climate control module in the dash

May 29, 2009 | 2000 Cadillac Eldorado

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