Defrost only
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Tuned
Joined: Sep 2016
Posts: 499
Likes: 78
From: Eureka Springs Arkansas
Defrost only
I started driving the old Ford to work last week. I have it running and starting well. Thank you all for the help with that.
I only have high in the heater fan. Thanks to the search I think I have that figured out.
I can't change from defrost to floor. It doesn't have a radio I can reach in and found that there is no cable on the lever for the defrost/floor/vent lever. I can't find that cable hanging anywhere in there. I see a vacuum can/switch and when I actuate it by hand it changes the heat to floor. Can someone give me better details on where this cable should be?
I only have high in the heater fan. Thanks to the search I think I have that figured out.
I can't change from defrost to floor. It doesn't have a radio I can reach in and found that there is no cable on the lever for the defrost/floor/vent lever. I can't find that cable hanging anywhere in there. I see a vacuum can/switch and when I actuate it by hand it changes the heat to floor. Can someone give me better details on where this cable should be?
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
Found this in the stickies... maybe it will help! https://www.ford-trucks.com/forums/1...-problems.html
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
But, some people don't know that their 1980/86 trucks with A/C have dealer installed A/C that does not have this cable
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Tuned
Joined: Sep 2016
Posts: 499
Likes: 78
From: Eureka Springs Arkansas
It has part no 18A318. I can actuate it by hand and make it change from defrost to floor. I know the lever has a place for a cable but I can't find anything to hook to it. I'm sure the vacuum going to the heater controls isn't correct. I hear the heat/ cold door slam shut every time I start the truck. It does switch from hot to cold air and seems to be working as it should though.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
It has part no 18A318. I can actuate it by hand and make it change from defrost to floor. I know the lever has a place for a cable but I can't find anything to hook to it. I'm sure the vacuum going to the heater controls isn't correct. I hear the heat/ cold door slam shut every time I start the truck. It does switch from hot to cold air and seems to be working as it should though.
This is probably the one you want:
EOTZ-18A318-B .. Defroster Door Vacuum Control Motor - 2 ports - located on Plenum Chamber (Motorcraft YH-363) / Obsolete ~ 4 available NOS
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Moderator
Joined: Nov 2007
Posts: 22,415
Likes: 92
From: Denver Metro Area, CO
Yes, the temperature control stuff is cable-actuated but he's talking about the vent position controls, those are all vacuum-controlled with factory A/C and care cable-controlled with just a heater.
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