Question about 1998 Buick Century

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Used 1998 Buick Century, missing -both- heater/ac door actuators

Used Buick, missing both heater/ac door actuator motors, can only find a part number for one (balkamp BK6551545), does it take two of the same? Where are they located under the dash, can I get to them without removing the dash?

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You can remove radio to get to them.disable air bags when working around dash.

Posted on Apr 24, 2009

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1998 buick park ave. cold air blows from pass. side, hot air from dr. side

Posted on Jun 23, 2009

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Ac temp blend door actuator where is it located on car.


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Ac blows heat out of two vent and cold air out of the other two


Hello first of all

What has happened in your case is your actuator door that changes your heat to ac or ac to head is stuck in the middle.


There is a motor that controls that its called an actuator motor on some cars it can be accessed
without tearing apart the dash and on some dash disassemble is required.

It is not a really hard job just patients and following direction really.

I hope this helps if so please 4 thumbs up helps us on here answer your questions

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My 1997 ford f150 heater will not blow hot air. i have replace the switch that controls the hot and cold air. i do not know what else to do. i do not heat any vacuum noise when i switch it to the heater or...


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------------------------------------------------------------------------------------------------
Control System Outputs
The air management doors are controlled by vacuum control motors (18A318) and an A/C electronic door actuator motor (19E616). The air inlet and distribution doors are controlled by vacuum control motors. The temperature blend door is controlled by the A/C electronic door actuator motor.
The A/C electronic door actuator motor provides a variable number of temperature blend door positions. Temperature control position energizes the A/C electronic door actuator motor moving the temperature blend door.
Vacuum control motors are used on both air distribution and air inlet doors. The air inlet and panel/defrost doors use a two position vacuum control motor. The floor duct/panel door uses a three position vacuum control motor. Vacuum control motors are controlled by engine vacuum through the climate control head.
For more information on the control components Section 412-04 .
-------------------------------------------------------------------------------------------------------------------------------------
Air Management Doors
The air management doors are controlled by vacuum control motors (18A318) and an A/C electronic door actuator motor (19E616). The air inlet and distribution doors are controlled by a vacuum control motor. The temperature blend door is controlled by the A/C electronic door actuator motor.
The A/C electronic door actuator motor provides a variable number of temperature blend door positions. Temperature control position energizes the A/C electronic door actuator motor moving the temperature blend door.
Vacuum control motors are used on both air distribution and air inlet doors. The air inlet and panel/defrost doors use a two position vacuum control motor. The floor duct/panel door uses a three position vacuum control motor. Vacuum control motors are controlled by engine vacuum through the climate control head.
-------------------------------------------------------------------------------------------------------------------
Section 412-04: Control Components - Climate Control 1997 F-150, F-250 Workshop Manual
REMOVAL AND INSTALLATION A/C Electronic Actuator
Removal
  1. Remove the floor duct panel.
    • Remove the two plastic push pins (one each side) and release the expander clip.
  1. Remove the RH instrument panel brace.
    1. Remove the lower nut.
    1. Remove the upper bolt.
    1. Remove the brace.
  1. Remove the LH instrument panel lower nut and position brace out of the way.
  1. Disconnect the vacuum harness from the vacuum actuator.
  1. Remove the floor duct.
    1. Remove the two screws (one each side).
    1. Remove the floor duct.
  1. Remove the panel/floor door vacuum control motor.
    1. Disconnect the vacuum line connector.
    1. Remove the two panel/floor door vacuum control motor screws.
    1. Slide the rod out of the door and remove the panel/floor door vacuum control motor.
  1. Remove the electronic actuator.
    1. Disconnect the electrical connector.
    1. Remove the three screws.
    1. Pull down to release the actuator shaft and remove the electronic actuator.

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I have a 94 mercury grand marquis i am working on. i cannot get the heater temperature control to change off of cold it is a ls with the slide control on the heater/ac. the vacum controls are all working...


  • Check fuse 17 at the fuse panel.

  • start here


    snorkelbobby_28.gif
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    snorkelbobby_29.gif
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