> I looked at an '82 Vanagon Diesel today with the Diesel Auxiliary heater.
The
> heater ran, but I have a few questions about its operation:
>
> -Is there supposed to be a "tailpipe" for the heater fuel exhaust?  The
exhaust
> from this heater came out of a 2" - 3" tube almost directly under the
center of
> the van.  There was nothing that directed the exhaust to the rear or side
of
> the van.

Sounds right......

 While the car was idling, this smoky exhaust kind of hung in the air.
>  At first, I thought the engine had an exhaust leak, until I got under the
car
> and saw the exhaust coming from the auxiliary heater. Not very pleasant.

You have got to remember that that thing has not been fired up in years or
months for that mattter.  The smoking usually goes away after you run it a
few times.
>
> -Where does the "heat" actually come out in the van?  That is, does it
come
> through the regular ventilation ductwork, or are there only specific
ducts?  It
> was hard for me to detect, although I think the blower up front was not
> operating properly.  Does the blower up at the heater core circulate this
air?
>  Or is there a separate blower and ducts?

It comes through the normal ducts in your model.

>
> Thanks for any insight.
>
> Maynard Southard  OvO '79
> '82 Westy Diesel "Reinhardt"
> '93 EV GL "Klinger"
> '00 Golf GLS TDI "WooHoo"
> '84 Jetta GL TD "Donor"
>