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Diesel Maniac
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110 Posts
Discussion Starter #1
1993 f350 7.3 no turbo 5 speed standard

Under hood, all the way to right, top of heater box, next to firewall.
There is a vacuum motor I think it is the fresh air flapper.
The vacuum line is gone just wondering if anyone knows
Where it goes, I checked the book no help, thanks
 

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Diesel Maniac
Joined
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110 Posts
Discussion Starter #4
I finally found the vac hose. It is the big bundle coming from firewall. You have to trim the tape back and there it is.....it is the fresh air door
 
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