WHAT is this for?
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FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
WHAT is this for?
When the canister function?, it should open something, but I dont see that it does anything. Other problem is that the white hose is hardened, I think by the time and heat and got a hole, I cut one part and reconnect to the black hose, is that white hose replaceable? any # part?
Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
That canister is something to do with your heater, no idea exactly what though. Those hard vacuum lines get brittle with heat and age, just take the broken piece into a parts store and find some rubber vacuum line that fits snugly over the hard line. Buy extra so that you can fix the next one to break too 
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
That's Outside Air/Recirculation Air Door Vacuum Control Motor.
The white line is vacuum, handle it carefully, they crack very easy with old age.
Start the truck and have someone move the controls on the dash from heat to MAX AC
while you watch it. It should move if it's working properly.
The white line is vacuum, handle it carefully, they crack very easy with old age.
Start the truck and have someone move the controls on the dash from heat to MAX AC
while you watch it. It should move if it's working properly.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
That thing moving when people start their trucks is what makes the thud noise you hear if you leave the climate control switch turned on when you last shut the truck off. Does that make sense?
Thread Starter
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FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
Yes sir.
Ah, ok, Im going a do that, are there any replacement part for the hard line?
Yeap.
Thanks to all of you.
That canister is something to do with your heater, no idea exactly what though. Those hard vacuum lines get brittle with heat and age, just take the broken piece into a parts store and find some rubber vacuum line that fits snugly over the hard line. Buy extra so that you can fix the next one to break too
That's Outside Air/Recirculation Air Door Vacuum Control Motor.
The white line is vacuum, handle it carefully, they crack very easy with old age.
Start the truck and have someone move the controls on the dash from heat to MAX AC
while you watch it. It should move if it's working properly.
The white line is vacuum, handle it carefully, they crack very easy with old age.
Start the truck and have someone move the controls on the dash from heat to MAX AC
while you watch it. It should move if it's working properly.
Thanks to all of you.
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Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
You can probably buy new hard lines from Ford ($$$$) so just use some rubber vacuum hose to splice it back together. Cheap, easy, nearly instant gratification 
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Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
That's not the one that thuds, it's the Blend Door. The one the controls air flow to the vents, floor and defrost vents. The Blend door is spring loaded to always return to defrost in case of a vacuum loss. It's a safety thing.
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FOREIGN GURU
Joined: Jul 2006
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From: Celaya, Gto. MX
Postmaster
Joined: Sep 2007
Posts: 4,195
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From: Medford Oregon
The only thing at the end is rubber vacuum hose, so yes you can. Also if you have a auto salvage yard around you can find those hard lines on many (many) vehicles and usually get a bunch for a few dollars.
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FOREIGN GURU
Joined: Jul 2006
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From: Celaya, Gto. MX
Senior User
Joined: Nov 2003
Posts: 111
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From: Auburn
Yeah, the gassers had the same hard lines. You can look for hard vacuum lines in any newer vehicle as long as the diameter is close. The newer the car, the less time heat and other factors have had to break the hard plastic down. Adam
Posting Guru
Joined: Nov 2001
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From: Ft Scott
Jose
What do you want to replace the hard stuff for? The rubber will be fine, I've had it on mine for three or four years. If you replace the whole thing you'll have to follow it into the loom, thru the firewall and up the a/c heater switch in the dash
What do you want to replace the hard stuff for? The rubber will be fine, I've had it on mine for three or four years. If you replace the whole thing you'll have to follow it into the loom, thru the firewall and up the a/c heater switch in the dash