I don't know how many of you Vanagon owners have shut their engines off,
just to have it "boil over" or doing a grate deal of girgling - perhaps
we ought to consider installing a similar item to help cool the cylinder
jackets after shutdown - anyone ever consider this on non-diesel
waterboxers?  Clifford Gottschalk
'89 Vanagon 7 pass stick
'85 Westy auto
'67 Baja Bug

<< I was thinking about that if the pump's purpose is to actually cool
the oil
 (for the sake of the turbo) then maybe it is controlled by an oil temp
sender
 instead of a coolant temp sender.  Maybe one in the vicinity of the
turbo?
 Just shooting in the dark here as I have never seen a stock turbo diesel
 setup before (we never had them here in the states).  I have seen a few
nice
 conversions though.
  >>

all audi turbos from '85 up have the coolant afterrun system standard.
its
controlled by the thermostat the afterrun fan has.   when the car is shut
off, and the coolant temp is high enuf to kick on the afterrun fan, it
also
kicks on this little electric coolant pump that cycles coolant thru the
turbo
to cool it down, until the afterrun fan  goes off...

chris

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