86 F150 Heater Vent problems...
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New User
Joined: Apr 2012
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86 F150 Heater Vent problems...
It is stuck on vent and will not switch to defrost. I pulled apart some of the dash and found the selector is not connected to anything.
I cannot find any cable or anything in the vicinity which is what I was hoping for (an easy fix-yeah right!). The cold/hot selector is connected to the cable that goes to the heater valve which is fine.
Does anyone here know what/where the vent selector on my control connects to?
Thanks!
Dan
I cannot find any cable or anything in the vicinity which is what I was hoping for (an easy fix-yeah right!). The cold/hot selector is connected to the cable that goes to the heater valve which is fine.
Does anyone here know what/where the vent selector on my control connects to?
Thanks!
Dan
New User
Joined: Jun 2012
Posts: 23
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From: Rio Rancho, NM
Mine is stuck on the vent and won't switch to anything else. So, i'm in the same boat and as you. I'll be taking a look at it tonight when I get home. If I figure it out I will let you know, if someone doesn't chime in before then.
Lead Driver
Joined: Jul 2009
Posts: 6,477
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From: Sheffield, AL
Maybe this will help...
Check at the top of the page for this forum and there is a sticky note for commonly discussed technical items.
Some time back, I was working on a similar problem. Here is a link:
https://www.ford-trucks.com/forums/1...ummies-me.html
Some time back, I was working on a similar problem. Here is a link:
https://www.ford-trucks.com/forums/1...ummies-me.html
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Joined: Apr 2012
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stuck door!
I checked the diaphrams and they are both working properly when I move my selector while the truck is running. Since it is stuck in the 'VENT' position I checked this out after pulling apart the dash almost completely.
The door was moving but was not snapping closed. There must have been a spring to assist snapping the door closed all the way because there is a provision next to the pivot pin for this door that attaches to the diaphram arm.
I found a weak throttle return spring about 2 inches long a attached it to the door near the pin and then onto the dash/vent housing.
It works right now!
I will put it back together soon and advise how it goes....
The door was moving but was not snapping closed. There must have been a spring to assist snapping the door closed all the way because there is a provision next to the pivot pin for this door that attaches to the diaphram arm.
I found a weak throttle return spring about 2 inches long a attached it to the door near the pin and then onto the dash/vent housing.
It works right now!
I will put it back together soon and advise how it goes....
New User
Joined: Jun 2012
Posts: 23
Likes: 0
From: Rio Rancho, NM
I haven't had time to look into mine. I will have to these out this weekend. I had my dash apart and repainted all the plastics and rhino-lined the cab. May have knocked off the spring or something. Don't want to have to take whole dash apart again though.
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