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Heater water control valve


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Valve is in the open mode when no vacuum is applied.  Had to tie mine shut due to a leak somewhere in the lines.  Another project on the list.

Kilgon

 

 

"The only dumb question is the one not asked"

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Section 36-32-02 of the shop manual has it, vacuum keeps it closed.

 

 

“If you can't explain it simply, you don't understand it well enough.”

--Albert Einstein

 

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It is always good to have one of these in the tool box just in case the heater box breaks in the middle of nowhere. Off course, it helps to have tapped 5/8" nipples to quickly connect the hoses.

https://www.amazon.com/gp/product/B000C2W9TQ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

61aeDKGICEL._AC_SL1500_.thumb.jpg.8eca5cdebadc83b969bed09fcbf05eff.jpg

20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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  • 2 weeks later...

That looks like one of those medical problems, lol. I kept two solid plugs to go in the ends of hose.
BTW if you put new core in and it is aluminum add a ground wire to prevent early failure. Ford sent a service bulletin in the 80's about the issue.

 

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When a man is in the woods and talks and no women are there is he still wrong??:P

David

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  • 5 weeks later...
On 1/28/2021 at 6:33 PM, Carolina_Mountain_Mustangs said:

That looks like one of those medical problems, lol. I kept two solid plugs to go in the ends of hose.
BTW if you put new core in and it is aluminum add a ground wire to prevent early failure. Ford sent a service bulletin in the 80's about the issue.

 

Is the aluminum or copper one better? 

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It's been a while since I've been into the heater/AC system, but I believe the heater valve is always open, all except for when the A/C is selected on the dashboard slider, which sends vacuum to the valve to shut off hot water when cooled air is running through the heater/AC box. Anyone else find this to be true?

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  • 2 weeks later...

Is the valve closed in the vent position too? 

[align=left]Jeff T.

 

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passengers. [/align]

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