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Heater controls

Posted By Kahuna 8 Years Ago
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Kahuna
Posted 8 Years Ago
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Last Active: 6 Years Ago
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I posted this problem on the HAMB also
Maybe someone can help?

  1. I have a dilemma (sp)?
    Hopefully, one of you smart guys can help.
    The heater control located on the dash has 2 levers,
    not counting the heater fan switch. Originally, there 
    would have been 3 cables attached to the lever assy.
    Mine has only 2. The missing cable end on the 
    control side has a nub with a vacuum line attached. 
    That line is cut and about 4" is left.
    Doing some research in the manual, it seems there is
    supposed to be a vacuum line (the cut off one), that
    goes, or would go to something called a vacuum control 
    valve (don't have the book handy at the moment).
    My valve is missing, as is the cable.
    I'm sure I can get the correct cable and "maybe" the control 
    valve, but cannot figure out the operation of this stuff and 
    the manual isn't clear at all.
    Has anyone had some experience with this stuff? I sure could 
    use some help.
    If my ramblings aren't clear, please ask appropiate questions
    and I'll try to provide better explanations.
    I've got the dashboard out and am doing all I can to fix this
    mess I bought.
    It is absolutely unbelievable what people will do to jury-rig
    something to make stuff work.
    Sorry for being long-winded, hope somebody can help
    Thanks
    Jim
    JIMMY2CARTODAY AT 1:32 AMEDITDELETE!REPORT!SHARE POST#1+ QUOTEREPLY


Bobwanna
Posted 8 Years Ago
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Jim, I might be of some help or confusion? When I bought my 56 Fairlane 292 4bbl it came with radio delete and no heater although it had a clock in it. Car was built in LosAngeles and sold locally in S.Cal so many cars came without heaters here. Even my brothers 57 Pontiac with a V8 came without a heater. Ok this was over 30 years ago and I came up with most of the parts to have heat and defrost in my car. Long story on where the parts came from.
Ford did use vacuum operated water valves and a temperature thing in the heater box. These parts would probably be pricey to restore to as built in 56.
Back then, as a kid, I was clueless on how the vacuum parts worked. To really simplify things what I ended up doing was using a mechanical inline water valved as used in Ford trucks to control the heat. This was cable operated from the temperature lever. Simple. The other cable operated the blend door in the heater box to divert air to floor or defrosters. Yes, it is hard to describe this stuff. I can take a pix of the water valve I used - dont make it complicated unless you are concours. - Bob

AKA   Bob-93021
miker
Posted 8 Years Ago
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Bob, I think that was a good explaination. Jim, pull up one of the Thunderbird sites, and you might find a picture of the set up Bob talks about. OEM there was a cable to a vacuum valve/thermostat on the heater box, and then a vacuum line to the water control valve on the manifold. In my experience they didn't work all that well new, and finding good replacements is impossible or a fortune.

Most of the tbird places sell the "kit" that's a replacement cable, and an inline shut off that goes in the heater hose. You might find a picture or a diagram in the catalog. Worth a thousand words. You can buy the valve at NAPA if you've got the right cable laying around.

miker
55 bird, 32 cabrio F code
Kent, WA
Tucson, AZ
Kahuna
Posted 8 Years Ago
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Last Active: 6 Years Ago
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Bob & Mike
Thank you both for your response.
After doing a bunch of research, mostly thru catalogs & Ebay,
I found that my setup in not correct in many areas. The short
piece of vacuum tubing was incorrectly placed (who knows why).
In any event, I think I know have it figured out, and have located
the necessary parts to fix this mess.
Not having the correct original parts was really frustrating to me,
but I'm in a better frame of mind now.
Thanks again
Jim


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