Where is the panel/defrost vacuum control motor located?

[Borcht Warrior]

Hey everyone, I have the opposite of the classic problem of the climate control only blowing out the defrost vents on my truck.
I can get air to blow to all locations except the defrost vents. I have done most of the pinpoint tests from the Ford workshop manual. I need to check on the actuator above but I cannot see where it is. Something must be blocking the linkage from returning to the no vacuum position.


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[lenzhotrod]

Try these.

MOTOR.pdf

OPERATION.pdf

PLENUM.pdf

[Borcht Warrior]

Thanks Len,
Looked at those attachments last night. I read the same thing in the shop manual as well. They really do not show where this actuator is. The floor/panel actuator is behind the glove box. Is the panel/defrost actuator behind the plenum?

Or can I get to it by pulling of the instrument panel bezel and removing my stereo? I am beginning to think that it might be a cable from my stereo that might have fallen down and is interfering with the return of the actuator.

I really guessing what to pull apart next.


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[Borcht Warrior]

Looking at that Plenum document one more time, at work on a big screen...

It looks like the control motor I am looking for is the one on the left.
Can anyone confirm this?
It would have the red vacuum hose running to it.

The panel/floor control motor behind the glovebox has yellow and blue vacuum lines running to it.

[Borcht Warrior]

This actuator can be found behind the stereo. If you had to change it you would likely pull off as much of the lower dash as you could. So I pulled my stereo out again and started pulling out all the extra wire and cables that were bunched up and placed back there. It turned out that my harness from my outfitter switches was blocking the actuator from returning to the "no vacuum" position.

I had installed these switches myself and fished this harness into position not knowing the correct route. Obviously my route was wrong.


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