1979 heater dump tube hoses - substitute found

[jtauxe]

I cannot find the proper paper hose that connects the heater control valve to the heat dump tubes for a 1979 exhaust/heater system.

These should be black paper tubes, similar to the ones that connect the heater blower fan to the heat exchangers in the engine compartment, except where those are 50 mm ID, the dump tube hoses are 55 mm.

Does anyone have a source?
_________________
John
"Travelling in a fried-out Kombi, on a hippie trail, head full of zombie..." - Colin Hay and Ron Strykert
http://vw.tauxe.net
1969 Transporter, 1971 Westfalia, 1976, 1977, 1976, 1977, 1971, 1973, 1977 Westfalias,
1979 Champagne Sunroof, 1974 Westfalia Automatic, 1979 Transporter, 1972 Sportsmobile, 1973 Transporter Wild Westerner, 1974 Westfalia parts bus, 1975 Mexican single cab *FOR SALE*, 1978 Irish 4-door double cab RHD

[Wildthings]

Tried your FLAPS? There isn't anything very special about the hoses and for the most part they do very little.

[Sage79]

I got a standard FLAPS size, which is a bit small, and enlarged them slightly with a HF exhaust pipe enlarger tool to slide on.
_________________
Dirk
'79 Westy 2.0FI
'73 Sportsmobile 1.7dual Solex 003Auto - now my daughter's
'77 delux 2.0FI 090Auto - now my son's

[jtauxe]

Yes, I was going to try the FLAPS today. We'll see...
_________________
John
"Travelling in a fried-out Kombi, on a hippie trail, head full of zombie..." - Colin Hay and Ron Strykert
http://vw.tauxe.net
1969 Transporter, 1971 Westfalia, 1976, 1977, 1976, 1977, 1971, 1973, 1977 Westfalias,
1979 Champagne Sunroof, 1974 Westfalia Automatic, 1979 Transporter, 1972 Sportsmobile, 1973 Transporter Wild Westerner, 1974 Westfalia parts bus, 1975 Mexican single cab *FOR SALE*, 1978 Irish 4-door double cab RHD

[SGKent]

2 1/4 is about 57mm. The temperature coming out of the heat exchangers melted some plastic ducting sold as a replacement bellows. Use silicone / fiberglass. or aluminum if you can.
_________________
“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin

[Boesen]

I bought one of these http://www.busdepot.com/211261236

Plenty long to be able to divide into two for each dump tube. Used a hose clamp to attach on both ends.
_________________
1979 Westfalia Deluxe http://www.thesamba.com/vw/forum/viewtopic.php?t=474334&highlight=iowa

[jtauxe]

[Boesen]

[quote="jtauxe"]

[germansupplyscott]

those hoses are near impossible to match. i believe they are 52mm ID. nothing readily available fits, either a bit too big or too small. 2"/50mm hose will not fit. 55mm is far too big. 50mm with a slit works.

the original hose was not paper, it was aluminum. i have some scraps removed from old pipes, for reference, but have never seen this hose available anywhere.
_________________
SL

[SGKent]

http://www.socalautoparts.com/product_info.php/aft...um-p-12369

The actual part number is N90042801 or N 900 428 01 . VWHeritage says online they can get them from Classic Parts but the part number does not come up in Classic Parts.

Also from another thread

[jtauxe]

Aluminum tubes sounds a lot safer. I can't imagine the paper holding up well, and I sure as heck do not want a fire under there!

The best I could do at the FLAPS was a hose from NAPA, #819-1126, for just over $5. They call it a preheater hose.

It's 2" (50.8 mm) diameter, 18" (457 mm) long flexible accordion type hose.

I am hoping that I can squeeze it on. If not, I will get them to stretch it out a bit with an exhaust pipe flanger. Flanger? -- You know what I mean.

Interestingly, it turns out that Russ Wolfe mentioned this hose in the Type 3 forum:
http://www.thesamba.com/vw/forum/viewtopic.php?t=174651

EDIT:

Worked like a charm. These are just the right size, so that with a little twisting they go on snug.
I recommend using the whole unstretched 18 inches for each side, so that as the ends fray (e.g. through repeated servicing) they can be trimmed off.

EDIT EDIT:

Well, oddly enough, it worked like a charm on one side, but on the other side, it was just a little too tight, and I had to slit the ends to get them to fit over the pipes. It may have been better to use an exhaust flanger, but this seemed to work OK.

At any rate... I have HEAT for the winter!
_________________
John
"Travelling in a fried-out Kombi, on a hippie trail, head full of zombie..." - Colin Hay and Ron Strykert
http://vw.tauxe.net
1969 Transporter, 1971 Westfalia, 1976, 1977, 1976, 1977, 1971, 1973, 1977 Westfalias,
1979 Champagne Sunroof, 1974 Westfalia Automatic, 1979 Transporter, 1972 Sportsmobile, 1973 Transporter Wild Westerner, 1974 Westfalia parts bus, 1975 Mexican single cab *FOR SALE*, 1978 Irish 4-door double cab RHD

[airschooled]

Colin made some tubes for his Road Warrior bus, maybe check and see what he used?

Robbie
_________________
Learn how your vintage VW works. And why it doesn't!
One-on-one tech help for your Volkswagen:
www.airschooled.com

[dodger tom]

Original VW Classic Parts through VW Heritage has these. N-900-428-01. You have to go into the OVWCP site, though, since the number won't register on the VWH search. My experience is that they don't last long. Maybe I stretched them out too much, trying to get two for one.

[Tcash]

[Wasted youth]

Your local FLAPS has these. They are usuallly next to the spools of fallopian tubing.

[BayCreamPuff]

https://www.vwheritage.com/classic/?ClassicLookup=N-900-428-01
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Cream Puff
'79 CA Stock FI Deluxe Campmobile

Earl Grey
'87 GoWesty 2.2 Westfalia

Marsha Mellow
'00 Eurovan VR6 Full Camper

[BayCreamPuff]

These worked great for me

https://www.airheadparts.com/Heater-Fresh-Air-Hose-1000mm-One-per-car/item/028-129-087%20A
_________________
Cream Puff
'79 CA Stock FI Deluxe Campmobile

Earl Grey
'87 GoWesty 2.2 Westfalia

Marsha Mellow
'00 Eurovan VR6 Full Camper

[rottenkid]

I used the paper hoses. They have been on my 78 bus for three years without any problems. I cut three slits at the ends and slid them over the pipe and gear clamped the paper hosing on.