heat related: old questions, new "asker"

Nov 21, 2007 4 Replies
T

Well I bought a nightmare bug this summer and every time I need something to work, it simply doesn't. it's a type 1 1976.



A few questions:


  1. The air tubes from the fan shroud to the exhaust are gone..................Where can I get these?


  1. I can't see anything resembling a heater box. There are what appears to be heat shields around directly where missing air tubes would hook up but they dont really look "sealed." Maybe I'm not looking well enough.



I'm assuming all the interior heat tubes are ok since the interior has been replaced but I also assumed that the shock mounts weren't rusted away from the front axle beam and that wasn't so. Also I thought the generator would charge since it was a 2 year old bosch...etc.....etc.


Any help would be amazing. I've searched and with so many different users using different terminology I thought I would explain better for my own well being.


Also anyone want to buy this heap? :)


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S

Your '76 originally came with a Fuel Injected engine which had somewhat different heater boxes. And it had an alternator instead of a Gennie.

I'm betting that the engine has been replaced with a carby version.

For the charging issue, look on my web site for: "How do I test my Generator?"

You will be ahead of the game to get a shop manual, but in the meantime, go here:

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The 2nd pic shows the carb engine with heater boxes and corrugated fresh air hoses.

Click on #27, Heater, and it shows one heater box with the fresh air inlet. The rounded part where the corrugated hose connects is actually a part of the muffler assembly.

This firm has the hose:

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(Common item at any VW supply house) Heater boxes:
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If all you see underneath are these "J" tubes:
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have been fooked. Speedy Jim
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K

Speedy, Glad you answered the user's request for assistance. That website's heater boxes provided a good picture, but I noted one thing in the description that would make me wonder about actually USING those heater boxes if one needed them: "...Light weight (no aluminum fins inside) also help to keep overall vehicle weight to a minimum..." So all that comprises these boxes is the "J" tube and the outer tin, right? Not much heat if that is the case. It sounds like they are making an asset out of a deficiency.

KWW

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S

Thank you for catching that! I didn't read all thru the product description. This one has the cast fins:

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Jim

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D

Don't remember where I read about it, maybe in one of the HOT VW issues, but someone took 12v marine bilge exhaust fans (in-line turbo types), and put them in place of the pipes under the rear seat that carried the now warm air from the heater boxes to the heater channels. The air was then drawn out of the cabin with hoses hooked up to 2 1/2" holes in the top of the rear firewall. This arrangement forced air to recirculate and thus heated it hotter, and probably faster than the stock arrangement. I believe they sealed the fan shroud with what looked like tennis balls.

Of course, one would want to ensure that the heater boxes were well sealed from the exhaust!

DD

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