95 tahoe Blend doors

[vendo]

yea ...white and ground voltage goes up and down with the dial...

 

[vendo]

ok i put the old acutator back in and it moves,now my question is clockwise movement seems to be the defrost,how far does it move,for some reason i think it doesnt move enough clockwise,is it out of sync when i put it back in the thing is centered and it fits in the slot..1 more test is to see how much it turns while not connected to the heater box..clockwise

 

[vendo]

i see there is a stop going to the defrost side,so it moves as much as it can

 

[east302]

Not sure if it will help, but here’s mine at the three main positions. The position indicator dial’s notch tracks between the three marks or lines on the actuator.

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[vendo]

yea thats what mine looks like..not a ton of air to defrost,i will drive it and check it later,returning acutuator to amazon.. thanks al

 

[east302]

If the actuator turns between those marks and the linkages are intact, any diminished air flow is probably a problem with the damper or the top foam seal coming apart in the box and maybe blocking the duct. Without taking it apart, it would be guesswork.


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[vendo]

looks like a lot of work to take it apart..

 

[vendo]

i only get full floor when i put it on defrost/floor setting,comedy of errors i had,the head i put in didnt move actuator for defrost,so i got one from amazon and it still didnt move,bought new head..still nothing...put old one back and i get it to move..

 

[vendo]

is there any calibration things to do..or its just the way it is..putting it on floor makes it come out vents is screwy..

 

[warndogg]

Defrost is I think on upper left. The one in the middle (where the links meet) is I think the floor vent. Upper right is panel.

I think that’s right, lol.

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East302 have a question how do you get to this part in the picture? On my 96' the arm on the left keeps popping out up top and I have to crawl under the dash and re attach to get my defrost to work on driver's side after switching modes. Is there any easy way to drop that box?