It is in the middle underneath. You must remove the center console to gain access. Then remove all the trim under the dash. It is a white unit located on the bottom of the hvac plenum.
are you talking about a blend door? if so they usually run between 20-40 bucks on EBAY... dealers charge about 79 for the door. if this is not what your talking about i am sorry
how to open liftgate on 98 lincoln navigator that is stuck
Probibly your blend door motor is stripped out. Remove motor and check door operation manually
How do i replace blend door motor
Lincoln Navigator
rear blend door motor is bad rear blend door actuator motor is bad
Remove the seats and then the center console. Remove the piece of plastic that directs heat to the floor. Finally remove the bracket that is under the glove box that connects to center. You can now access the blend door without removing the dashboard. ...set your controls to all the way cold and with the ac on as new blend doors come this way. Have patience the blend door screws tale some time to get out.
how to replace a blend door actuator on a 1999 ford ranger
It may be the blend door actuator. This part starting making a clicking sound in my 2003 Lincoln Navigator. It is located in the back right panel next to the rear seat. When I removed the actuator and opened it up, I found that one of the gears was partially stripped.
the way to trouble shoot the blend door is if it stays in hot or ac mode means bad Blend door
Your not going to like this, some blend door motors were not assembled correctly the worm gear in the housing is jammed and won't let the motor turn, all you can do is replace it again.
the blend door is operated by the blend door actuator motor which is electric.Fairly easy fix too...See "Related Questions" below for more