heater ducts
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Joined: Oct 2003
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heater ducts
Hey everybody!
I have been trying to get my 1973 F100 ready for winter.
Got my heater blowing hot air but all the flexible duct from the heater housing to the air vents in the dash board are deterioriating very badly so hardly any air gets to the vents.
Has anybody ever replaced the flexible duct?
Junkyard trucks have ducts in worse condition than mine.
BTW: 302, Factory A/C
I have been trying to get my 1973 F100 ready for winter.
Got my heater blowing hot air but all the flexible duct from the heater housing to the air vents in the dash board are deterioriating very badly so hardly any air gets to the vents.
Has anybody ever replaced the flexible duct?
Junkyard trucks have ducts in worse condition than mine.
BTW: 302, Factory A/C
Last edited by jbird; Jan 12, 2004 at 08:05 AM.
Lead Driver
Joined: Sep 2003
Posts: 5,241
Likes: 3
From: Other side of the sunrise
Napa can order new ones but they are spendy. I'd use new ones and avoid the wrecking yard ones so you only have to do it once. When they get old, they will tear easily when changing them out.
Junior User
Joined: Nov 2003
Posts: 56
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From: East TN
I found some flexible ducting at Autozone right near the Air/Oil filter section. Its actually meant to be a replacement fresh air duct for your air cleaner, but its just like the stock heater ducts, with the clamping ends and everything. Only thing is, I think they only sell one length (from what I saw there) and its about 18" long, not long enough to reach those far vents.
Elder User
Joined: Oct 2002
Posts: 654
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From: Seattle/Tacoma Washington U.S.A.
If I were you I would just fabricate somthing, I know somone who did somthing like that .... Me..... The heater ducts on my 77 sucked, so I Made a piece of fiberglass that fit over the main blower section, and have 3 ducts, one next to the steering shaft above the drivers feet, one that blows more hot air onto the windshield for antifog, and one on the passengers feet. For the pipes I used fiberglass. Just an idea. I recently took a crash course on fiberglass and stuff.... Just run your blower on your heater for a while before you turn on the heat or you can get some bad fumes...
Senior User
Joined: Oct 2003
Posts: 480
Likes: 1
From: Elyria, Ohio
Heater Ducts
Polypropylene duct good to 225 degrees; sold by the foot
http://www.usplastic.com/catalog/pro...+Flexible+Hose
http://www.usplastic.com/catalog/pro...+Flexible+Hose
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