Question about 1995 Buick LeSabre

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Fix blend door

Heat regulator is stuck in defrost mode

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Please let me know does move at all or if you try to switch it is it just blows air up on windshield?

Posted on May 05, 2014

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How to replace the door blend actuator on 2009 lincoln mks


Right side or left ? Electronic Automatic Temperature Control or manual ? Temperature or mode door ?
Temperature Blend Door Actuator - LH Removal and Installation
NOTE: It is not required to install the new LH temperature blend door linkage parts included in the LH temperature blend door actuator service part kit if only the temperature blend door actuator requires replacement and the linkage parts are not broken or binding.
LH temperature blend door actuator and linkage
  1. Remove the 2 lower steering column opening cover bolts.
  1. Detach the lower steering column opening cover.
  1. Disconnect the in-vehicle temperature sensor aspirator hose and electrical connector.
  1. Position the instrument panel wire harness away from the LH temperature blend door actuator.
  1. Remove the 3 LH temperature blend door actuator screws.
  1. Disconnect the LH temperature blend door actuator electrical connector.
  1. Remove the LH temperature blend door actuator.
  1. Manually operate, and inspect the LH temperature blend door linkage for incorrect placement, binding or damage.
Temperature Blend Door Actuator - RH, Dual-Zone EATC Removal and Installation
NOTE: It is not required to install the new RH temperature blend door linkage parts included in the RH temperature blend door actuator service part kit if only the temperature blend door actuator requires replacement and the linkage parts are not broken or binding.
RH temperature blend door actuator and linkage
  1. Disconnect the glove compartment damper from the glove compartment.
  1. Remove the glove compartment.
  1. Remove the RH lower instrument panel insulator.
  1. Remove the RH lower floor console trim panel.
  1. Remove the 3 RH temperature blend door actuator screws.
  1. Disconnect the RH temperature blend door actuator electrical connector.
  1. Remove the RH temperature blend door actuator.
  1. Manually operate, and inspect the RH temperature blend door linkage for incorrect placement, binding or damage.
  2. Mode Door Actuator - Defrost/Panel/Floor Door
  3. Removal and Installation
    NOTE: The defrost/panel/floor mode door actuator can be accessed from below the driver side of the instrument panel.
    NOTE: It is not required to install the new defrost/panel/floor mode door linkage parts included in the defrost/panel/floor mode door actuator service part kit if only the mode door actuator requires replacement and the linkage parts are not broken or binding.
    Mode door actuator and linkage
    1. Remove the 3 defrost/panel/floor mode door actuator screws.
    1. Disconnect the defrost/panel/floor mode door actuator electrical connector.
    1. Remove the defrost/panel/floor mode door actuator.
    1. Manually operate, and inspect the defrost/panel/floor mode door linkage for incorrect placement or damage.
    Mode door actuator linkage only
    1. Remove the mode door linkage.
      1. Depress the tab and remove the panel door lever.
      1. Remove the floor/defrost door intermediate lever screw and floor/defrost door intermediate lever.
      1. Pull straight outward to remove the floor/defrost door lever.
    Mode door actuator and linkage
    1. NOTE: When installing the mode door actuator, make sure that the panel door lever and floor/defrost intermediate lever are correctly aligned with the mode door actuator cam.
      To install, reverse the removal procedure.

Nov 10, 2016 | 2009 Lincoln MKS

2 Answers

I got all speeds on the blower motor and heat only on front ac vents. it won't go to defrost and to ac mode?


Temp blend door may be stuck. If it also will not go from defrost to AC the mode door may be bad also. Possible linkage or connection issue .

Feb 22, 2016 | 1999 Dodge Ram

1 Answer

Heater control wont switch to the defrost


In your HVAC unit there are at least two 'doors' that are moved by servos. (1) regulates your temperature - the blend door, which adjusts/blends the amount of air coming through your heater core and your air conditioning evaporator. (2) regulates where the air goes - the mode door (there may be multiples of this depending on your model, etc), that selects floor, dash vents, and defroster vents. One of your servos may be bad, or your mode door may be jammed.

Jan 20, 2016 | 2001 Dodge Intrepid

2 Answers

My heat on blows from the defrost how do i fix?


The heat/vent blend door that is located inside of the HVAC system behind dash..Rarely it is the control however it could be....Some of the vent door issues are recalls on certain vehicles."Also Blend vent door actuators that operate the doors can become inoperable...If it is the door inside the HVAC it will probably take about 8 hours to repair...Most vent doors either stick shut and or break..as well as actuators....Only a Dealer Scanner can tell exactly where the problem is.....

Feb 22, 2015 | 2008 Jeep Liberty

1 Answer

Mode door actuator


Hopefully it's the switch behind the dash. I would try replacing your selector switch before messing with the blend door. You have to pull the dash out to access the blend door

Nov 08, 2013 | 2003 Chrysler Town & Country

1 Answer

How do you fix a stuck Defrost/Mode blend door on 2008 Ford Taurus? I've replaced the blend door actuator twice!


If it is physically stuck you will need to remove the entire dash to access it and fix where it is binding up. Ford gives book time of 6 hours to do it. My best time is 2.5 hours. It's a pretty usual thing for the Taurus.

Oct 29, 2013 | Ford Taurus Cars & Trucks

1 Answer

Cant switch between defrost panel or floor heat stuck in defrost


sounds like maybee a blend door issue or a vaccuum lek

Nov 30, 2011 | 2001 Ford Taurus

4 Answers

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.

Nov 13, 2009 | 2001 Ford Windstar

2 Answers

1999 cadillac Deville cold air blowing out passenger side vents


Sounds like a Blend door issue, but could be the controller switch, Test ALL modes of operation to see what works and what does not. That should narrow it down a bit. The Blend doors are flap/ doors that regulate air flow, newer vehicles are plastic - electric assemblies ...prone to failure. Any clicking or thumping noises during switching modes and on-off suggest a bad Blend door. Hope that helps...good luck

Jan 12, 2009 | 1999 Cadillac Seville

1 Answer

Heating problems


This problem is caused by a defective blend door (stuck) or blend door actuator motor. The blend door is what moves in the air stream to supply heat or cool, or a blend of the two, it is in the dash and the dash must be removed to access it for repair.

Oct 22, 2008 | 2004 Ford Explorer

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