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73 Mustang Vacuum diagram, with ac
#1
Does anyone have a link to a vacuum diagram for 73 Mustangs? With AC.   I think they are more elaborate than 71's  Thanks in advance
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#2
(11-07-2018, 06:55 PM)71steed Wrote: Does anyone have a link to a vacuum diagram for 73 Mustangs? With AC.   I think they are more elaborate than 71's  Thanks in advance

First is the 351 4V diagram and second is the 2V.

[Image: 73-vac-diagram-CJ.gif]


[Image: 73-vac-diagram-non-cj.jpg]

Jeff
1972 Q Code Convertible
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#3
That really doesn't help since most of us don't use half of that stuff anymore. It doesn't show how the vacuum gets to the interior (ac box). The 73's also have a 4 inlet loop on the cowl. These show only two.
I'm really interested in the AC vacuum lines. Thanks anyway.
[+] 1 user Likes 71steed's post
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#4
(11-07-2018, 08:06 PM)71steed Wrote: That really doesn't help since most of us don't use half of that stuff anymore.  It doesn't show how the vacuum gets to the interior (ac box).  The 73's also have a 4 inlet loop on the cowl.  These show only two.  
I'm really interested in the AC vacuum lines.  Thanks anyway.

The diagram in this post should help.

https://www.7173mustangs.com/thread-vacu...um+diagram

1973 H Code Convertible - Medium Copper Metallic - June 8, 1973, Built Ford Marketing Sales Vehicle
[Image: DSC_0266xsm.jpg]
[Image: satellite.png] Proud Space Junk Award Winner!












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#5
(11-07-2018, 08:06 PM)71steed Wrote: That really doesn't help since most of us don't use half of that stuff anymore.  It doesn't show how the vacuum gets to the interior (ac box).  The 73's also have a 4 inlet loop on the cowl.  These show only two.  
I'm really interested in the AC vacuum lines.  Thanks anyway.

The 4 vacuum connector is not connected in the middle it's 2 by 2, see picture
Follow the schematic how the lines are connected.  https://www.7173mustangs.com/thread-vacu...um+diagram


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#6
(11-08-2018, 01:14 AM)rackerm Wrote:
(11-07-2018, 08:06 PM)71steed Wrote: That really doesn't help since most of us don't use half of that stuff anymore.  It doesn't show how the vacuum gets to the interior (ac box).  The 73's also have a 4 inlet loop on the cowl.  These show only two.  
I'm really interested in the AC vacuum lines.  Thanks anyway.

The diagram in this post should help.

https://www.7173mustangs.com/thread-vacu...um+diagram

There are two A/C related vacuum lines that pass thru the firewall one goes to the A/C vacuum canister (bolted to the inner fender apron behind the passenger side shock tower) and the other goes to the Heater control valve. The diagram above show these lines along with the others identified by a color stripe. You should be able to identify your original lines by these colors.

 
[Image: 20160816-145606.jpg]
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#7
Here's as many as i could find
https://www.7173mustangs.com/thread-vacu...#pid246021



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#8
(11-08-2018, 01:20 PM)rackerm Wrote:
(11-08-2018, 01:14 AM)rackerm Wrote:
(11-07-2018, 08:06 PM)71steed Wrote: That really doesn't help since most of us don't use half of that stuff anymore.  It doesn't show how the vacuum gets to the interior (ac box).  The 73's also have a 4 inlet loop on the cowl.  These show only two.  
I'm really interested in the AC vacuum lines.  Thanks anyway.

The diagram in this post should help.

https://www.7173mustangs.com/thread-vacu...um+diagram

There are two A/C related vacuum lines that pass thru the firewall one goes to the A/C vacuum canister (bolted to the inner fender apron behind the passenger side shock tower) and the other goes to the Heater control valve. The diagram above show these lines along with the others identified by a color stripe. You should be able to identify your original lines by these colors.

 
[Image: 20160816-145606.jpg]

Hey, I noticed this very informative thread, my a/c control actuator is out, no way to direct vacuum, any thoughts where I could find a rebuild or after market? Many thanks, swice
[Image: mustang-a-c-control-actuator.jpg]
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#9
swice.... I saw a place on Google....www.thepartguy.com....who has rebuilt switches like you asked about. There must be others, but I just saw this.
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#10
(06-09-2019, 05:58 PM)swice Wrote:
(11-08-2018, 01:20 PM)rackerm Wrote:
(11-08-2018, 01:14 AM)rackerm Wrote: The diagram in this post should help.

https://www.7173mustangs.com/thread-vacu...um+diagram

There are two A/C related vacuum lines that pass thru the firewall one goes to the A/C vacuum canister (bolted to the inner fender apron behind the passenger side shock tower) and the other goes to the Heater control valve. The diagram above show these lines along with the others identified by a color stripe. You should be able to identify your original lines by these colors.

 
[Image: 20160816-145606.jpg]

Hey, I noticed this very informative thread, my a/c control actuator is out, no way to direct vacuum, any thoughts where I could find a rebuild or after market? Many thanks, swice
[Image: mustang-a-c-control-actuator.jpg]

Hey Spike, thank you for your kind reply, I looked it up and he's got, yay! Not a bad price. I tried to rebuild the old one myself, just mystery, I could not make it work. Something inside just split or failed I suppose. My old stang is coming along, I'll send a pic when I get it done, thank you again, swice
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