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Registered
Join Date: Oct 2001
Location: Mountain View, CA
Posts: 22
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Tubing for rear defrosters
That wierd foam tubing which goes through the engine compartment up to the rear defrosters is old and has actually burned through in my 67 912. Right now I wrapped up the holes in duct tape, but I'd like a better solution. I haven't gone to the hardware store yet but has anyone found good replacement tubing? I was thinking of that grey insulation tubing for hot water pipes, but I'd have to tape or glue shut the slit up the side. Any ideas?
Blake |
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11-30-2001, 11:28 AM
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Registered
Join Date: Jul 2001
Location: San Francisco, California, USA
Posts: 3
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I had a similar problem (the tubing was absent altogether), and tried regular black heater hose. The problem is that automotive stores sell 3/4" hose, which is too small. 7/8" (inside diameter) is more what you want, and I was unable to find any until I chanced upon some dishwasher hose in a hardware store. $1.25 per foot vs. upwards of $15 sounded like a good deal; if it was inadequate I've only wasted three bucks.
But as it happens, the stuff seems to work fine. It makes a nice snug fit, doesn't mind the heat in the eng. compartment, and oh yes, the rear window is fog-free in operation. -CC |
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11-30-2001, 06:25 PM
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Senior Member
Join Date: Nov 2000
Location: Stuttgart FRG
Posts: 2,307
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Hello
Just get a suitable vent pipe or use a rubber hose. I think they where 23mm ID. The foam was to isolate heat and noise. 1" to 1 1/4" foam pieces will fit. Grüsse |
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11-30-2001, 08:57 PM
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