What Is This Items Function Please?
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5th Wheeling
Joined: Nov 2024
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What Is This Items Function Please?
Pardon the shortcut I'm taking with this inquiry, I could probably get to it tomorrow, but I just thought I'd ask.
It is living right behind the driver's seat, on the floor...I'm not sure sometimes if it's Ford or the Fire Truck Manufacturer...
Thank you,
Landon
FTE Community Team
Joined: Nov 2001
Posts: 1,805
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From: Oak Harbor, Washington
Consider posting all of your truck's questions in a single thread. Months or years later, it'll make a lot more sense to readers -- because they'll have access to the complete truck info, not just "F700" -- and also easier for you to reference.
The white hose junction on the firewall is a vacuum check valve for the under-cab hydravac booster. One hose to the intake manifold, one to the booster, and the smaller one to your dash-mounted vacuum gauge.
It does not connect the the vent cover/filter under the seat; when you track the hoses, you'll find the vent line has its own connection to the booster.
More info (for older series) is here and here.
It does not connect the the vent cover/filter under the seat; when you track the hoses, you'll find the vent line has its own connection to the booster.
More info (for older series) is here and here.
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1973 - 1979 F-100 & Larger F-Series Trucks
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May 26, 2009 11:40 AM
