Question about 1999 Ford Taurus

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Heater adjust doesnt work

Turn heat knob from cold 2 hot blend door actuator doesnt move

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Need to replace the actuator these go out all the time. Bad part idea.

Posted on Nov 27, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: Ford Windstar SE, 3.8L V6, 1999, front seat heat/defrost is cold

the blendor actuators strip out the gear inside the actuator cases on these all the time. replace the actuator.

Posted on Mar 19, 2009

oldfishead
  • 155 Answers

SOURCE: new blend door actuator doesnt operate

had this problem before... recheck part#....is it for EATC or MANUAL...??? eatc on a manual will only go to half way...sounds like they gave you the wrong part....its a pain to replace wasn't it.....hope this helped you...GL

Posted on Jul 06, 2009

  • 9 Answers

SOURCE: NO heat in front of 2001 windstar van. Thumping

Blend air door may be stuck. I removed a pencil from a heater box before. It had fallen from the dash, down through the defrost vents and jamed the door.

Posted on Nov 13, 2009

Eurodinno
  • 57 Answers

SOURCE: heater isnt putting out any heat ...blows cold

There amy be a problem with the heater relay switch which is not allowing it to switch over to heat.

Posted on Nov 30, 2009

bunnydawg
  • 5158 Answers

SOURCE: 2002 Ford Crown Vic 4.6L. EATCM A/C, Heating

that clicking noise you hear is likely a relay in the fuse panel that needs to be replaced. the easiest way to find out which relay it is would be to put you finger on each relay as you actuate the device not working. once you locate the clicking relay replace it . to reset the computer just unhook the battery for about ten minutes. if you have an anti theft radio make sure you know the code for it and how to enter it before you unhook the battery.

robert

Posted on Nov 27, 2010

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1 Answer

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.

May 04, 2014 | 2005 Honda Pilot

2 Answers

1999 chevy silverado heater fan only blows cold air , both coolant lines in are hot


I like that you were knowledgeable to check both coolant lines tells me you are getting hot coolant through the heater core next thing to check will be the blend door on the inside of your vehicle. The blend door is a door that switches from cold air duct to heater duct depending on what you are using at the time. If it is stuck on the cold air duct you will not get any heat sometimes these doors are vacuum actuated and sometimes they are electrically actuated most the time you are able to see the movement of the motor from inside if you don't see any movement but you hear it move chances are it is the door blend I hope this helps.

Jan 10, 2013 | 1999 Chevrolet Silverado 1500

1 Answer

No in 99 chevy silverado


Sounds like the blend door is not moving. Most blend door actuators are located on the bottom of the heater box near the middle of the car. If the temp control is a round knob, it is an electronic actuator.

Dec 12, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

The fan works, air conditioning works, but the air wont heat up(knob turns to hot on thermostat). is it a vacuum hose problem, and how do we get to it?


The most common cause of this in the Ranger and the Explorer is that a part called the air temeperature control blend door acuator or the blend door shaft that the electric actuator moves has broken, this door is what shuttles between the heater core and the AC core and provides either heated or cooled air, or a blend of the two hot and cold air streams.

Dec 26, 2010 | 2008 Ford Ranger 2WD

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AC/Heater control valve :Lancer 2003 Misubishi


The sliding switch on the console is stuck in the cold position and the knob is pulled off. Use pliers to jiggle the switch as best you can. Feel under the center console and you probably will find the cable that is hooked up to the flapper. You'll know because when you jiggle the cold/heater switch at the upper console, the cable will move slightly. At the hookup of the cable to the flapper down under the console (passenger side) try to work the flapper loose to the open (or close) position. At the same time work the sliding switch (with pliers). The flapper will come loose and function properly. Try not to knock of the AC button like I did in the process. It flew off some where under the passenger seat. I'll find it sometime before summer. Ha.

Apr 21, 2010 | 2003 Mitsubishi Lancer

3 Answers

99 ford expedition front heat does not work rear heat works great.


There is a good chance that your blend door actuator located in the front heater box may not be working. The actuator (a white square device that measures about 2 1/2" square and 1/2" thick) is mounted on the bottom of the heater box direct center of the dash. Using a small inspection mirror you should be able to see the actuator (alot easier if you remove the center console) and the shaft that comes out of the top of it. With the key on see if the shaft turns when you change the temp knob. If it doesn't move then you probably need a new actuator. if it does move then there is a chance that the door it is attached to is broken.

Apr 02, 2010 | 1999 Ford Expedition

1 Answer

No heat Heater core is hot


If heater core is getting coolant circulating through it then you may have a temp blend door, or blend door actuator not working properly. The blend door is located in the air box under the dash, and the actuator is located on the air box. You may be able to visually check the operation while turning the temp knob, by locating the coresponding actuator on the air box and monitoring the movement. If it is moving ok and still no heat then the blend door, or lever is broken, which will require removal of the dash.

Oct 17, 2009 | 2001 Dodge Ram 2500 Truck

2 Answers

My a/c won't blow cold and heater doesnt get hot


Is the heater working? Turn the A.C. off with the car at an idle. Turn the A.C. on and listen for the compressor to turn on. (should hear a click under the hood and the motor should change pitch. If no noise, the compressor is not comming on. The o-rings were bad about leaking on these cars, letting out all the freeon. If there is no freeon, the low pressure switch won't let the compressor run.

May 20, 2009 | 1997 Ford Taurus

2 Answers

No heat in vehicle . both heater hoses are hot


Seems like your mode door actuator for hot cold has failed. Temp Mode Door Actuator needs replaced

Mar 05, 2009 | 2005 Chevrolet Equinox

2 Answers

Heating system only blows out hot air through the vents


I would look at the air blend doors first, it sound like they are not working or your control in the dash is not working send a signal to them. they work by changing the air from hot to cold or in between.

Avalanche, Sierra And Silverado
  1. Remove the floor air outlet duct extension (1) from the floor duct (2). 0900c152801c9c8a.jpgRemove the floor air outlet duct extension (1) from the floor duct (2)
  2. Disconnect the electrical connection at the blend door actuator (10). 0900c152801c9c8b.jpgBlend door actuator and related components
  3. Remove the blend door actuator mounting screws from the HVAC module.
  4. Remove the blend door actuator as an assembly with the actuator cam. 0900c152801c9c8c.jpgRemove the blend door actuator mounting screws from the HVAC module
To install:
  1. Install the blend door actuator as an assembly with the actuator cam.
    1. Line up the heater/defroster valve lever with the blend door actuator cam slot.
    2. Line up the A/C valve lever with the blend door actuator cam
  2. Install the blend door actuator mounting screw to the HVAC module.
    1. Tighten the blend door actuator mounting screw to 14 inch lbs. (1.6 Nm).
  3. Connect the electrical connection at the blend door actuator (10). 0900c152801c9c8b.jpgBlend door actuator and related components
  4. Install the floor air outlet duct extension (1) to the floor air duct (2).
C/K Series
  1. Disconnect the electrical connector to the mode actuator that is located on the left side of the air distribution case.
  2. Remove the screws.
  3. Remove the adjuster links from the control lever.
  4. Remove the mode actuator.
  5. Adjust the mode actuator by completing the following steps:
    1. Connect the electrical connector to the actuator.
    2. Turn the ignition switch to the RUN position. Allow the self-positioning of the actuator.
    3. Turn the ignition switch to the OFF position.
    4. Remove the actuator from the electrical connection. 0900c152801c9c8d.jpgBlend door actuator-C/K Series
To install:
  1. Install the mode actuator.
  2. Install the screws.
  3. Install the adjuster links to the control lever.
  4. Connect the electrical connector.
  5. Test the circuit operation

Nov 27, 2008 | 2001 Chevrolet Silverado

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