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Topic: correct vacuum hose for ac/heater control

in Forum: C3 Cooling and Heating Systems


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correct vacuum hose for ac/heater control (1/5)
 8/11/12 7:47pm
Babyblue 78
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1978 Corvette Light Blue Pulled from the swamps of Miami! Its a driver and back on the road!


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I am posting pics of the ac/heater switch and the diagram and to me they do line up  even if I stand on my head they do not match the diagram so I don't know where the black vac input or heater door lines go. When I hook it up the best I can the heater core door will not open so vac  line on wrong port at control. could someone send me straight?

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Re: correct vacuum hose for ac/heater control (2/5)
 8/12/12 7:32am
kwoody
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Tucson, AZ - USA

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Hi Mark,

I sent you a PM....


Keith


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Re: correct vacuum hose for ac/heater control (3/5)
 8/12/12 12:14pm
rraider1
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Woodland, WA - USA

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Hopefully you got this solved but the 2 post that are on the outside of the five vacum post should help line up the vacum plug to the switch ?
let us know if you hooked up
 
I have some vacum diagrams I can send you that show all the hose connections


|UPDATED|8/12/2012 9:14:33 AM (AZT)|/UPDATED|
Re: correct vacuum hose for ac/heater control (4/5)
 8/12/12 4:47pm
Babyblue 78
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1978 Corvette Light Blue Pulled from the swamps of Miami! Its a driver and back on the road!


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I have the post lined up and can get it on the switch it's where do the hoses go on? 1-5 holes are not what I show on the diagram the holes are a different slant or on the right of previous hole and diagram says the hole is on the. Other side if they were marked 1-5 on the switch itself it would be easy. Still don't have the right sequence as not all doors are working per switch position and all doors and vac diaphragms are in working order so have the hoses on the wrong ports. Thanks I will keep at it until I get it. Holding up the dash install Bb78

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Re: correct vacuum hose for ac/heater control (5/5)
 8/12/12 5:26pm
kwoody
Former Member

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Tucson, AZ - USA

Vette(s):
1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500


Joined: 7/11/2010
Posts: 415

Hi Mark,

I just sent (email) you 3 pictures of my install. I hope it helps. 


Ketih



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Nobody ever waves when I'm driving the Explorer.
K Woody
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