Question about 2003 Mercury Grand Marquis

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Were is my blend door actuator located on a 2005 f750

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: how do I remove the dash to replace blend door

blender door on a 2003 grand marquis blows only hot air the ac works

Posted on Apr 05, 2010

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SOURCE: Where is the Blend door

Both are located behind the dash. You have to remove the dash to get to it. You might want to change the heater core while you are back there too. Some will tell you to pull a few bolts and wedge it open just enough to get back there and remove it. If you value how your cars dash looks I would advise against this. Good luck.

Regards, Tony

Posted on Apr 09, 2011

  • 6 Answers

SOURCE: will only blow hot air

Did you check for the vacuum line connections? They are vital to the servo motors that open the internal doors in the climate control box. Many times they get either disconnected by the fire wall or they get cracks, or burnt against something hot, thus creating the loss of vacuum power to the servo motors or actuators as you call them. That would be my starting point. Being that issue resolved also check the amount of Freon gas you have in the system from your low pressure side, the charging port should be close to the accumulator or drier. You have to connect a gauge to it, a gauge designed for the AC system, with out it, you cannot determine if the system needs some charging. Some times you can actually get a "kit" from the auto part store that already includes the gauge with the Freon bottle, but you wold be investing in Freon without knowing if you actually need it. The reading with the engine at idle and the AC working at MAX should read between 35 to 50 psi according to the environment temperature. ie: at 70 degrees it should read about 40 psi. at 80 degrees about 45 psi and at 90 degrees at 50 psi. That being the maximum reading, never higher than 50 psi. But before getting to this point I would resolve the blend door actuator issue as you call it.

Posted on Aug 28, 2011

  • 10319 Answers

SOURCE: Working on 2000 mercury grand

mode control switch in the ac heater control unit on the dash

Posted on Sep 18, 2011

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1 Answer

Location of passenger side blend door actuator on 2006 mercury mountaineer auto controls, 6 cylinder

Temperature Blend Door Actuator - RH, EATC Removal and Installation
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  1. Lower the glove compartment.
  1. Disconnect the RH temperature blend door actuator electrical connector.
  2. Remove the 3 RH temperature blend door actuator screws.
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Why 2005 pilot gets too much cabin heat even when turned off

There is blend door in vent channels under the dash of the vehicle. It blends warm and cool air in the vents depending on the temperature setting. The Blend Door is controlled by a motor called an actuator that gets its signals from the setting on the dash. When the actuator fails the blend door can't move. If it stops on hot you always get hot air.
3 possibilitys
1. Blend Door stuck.
2. Temperature control not sending signal to actuator.
3. Actuator motor gone bad.

Of the 3 possibilities the actuator motor is the most common and the easiest to fix. The part is $40-90. I don't know exactly where actuator is on the Pilot. My GMC you remove the plastic trim below the dash and its just to the left of the glove box near the 'hump'. Perhaps the part store can tell you or someone else will offer the exact location.

Once you remove the actuator you can plug it back in to the wire clip and move the temperature knob and see if it moves. When you get the new one plug it in and make sure it turns before bolting it in.

To clarify a bit. The heater is never technically turned off. The blend door determines how much it goes thru the vents.

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I am trying to locate the ac blend door actuator on my 2000 cadillac seville sts: AC blows air on the floor only instead of the dash board ac vents. Appreciate any help

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We own a 2005 Kia Sedona that has worked well for a long time. However, recently the heating has stopped working and blows cold air.

Yes the fix is to remove the dash from the car and replace the blend door and the blend door actuator.

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2005 jeep liberty sport manual

The blend door actuator will not be the problem, the blend door will be stuck or broken, common problem.

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Ac blowing hot air

the blend door actuator located on the air box (right hand side under dash) is prob. inop. worst case senerio the blend door its self is broken. I have replaced the actuator more than anything.

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