Yup! I found and noted a good grade on which to do this. Works for me.

John Rodgers
88GL Driver

Mark Dorm wrote:

> So if we find ourselves parked on a hill and we run dental floss from the
> cap of the coolant tank to the front of the vanagon (keeping it level), and
> we're more than a foot and a half above the place it would be were it on
> level ground then we can burp our system.... and fill it to the brim....
>
> Or we could just eyeball this from the front of van.
>
> >From: John Rodgers <inua@hiwaay.net>
> >
> >You have to get the back end way up there..20 inches or so above level..
> >For me
> >that puts the cap about lower chest.
> >
> >John Rodgers
> >
> >Mark Dorm wrote:
> >
> > > What kind of incline do you need - you could maybe do this on the slope
> >of a
> > > hill... and what about possible air in the radiator like Bill was
> >pointing
> > > out.... are you getting the tailend higher than the radiator - is it
> >(the
> > > pressure cap) the highest point???
> > >
> > > >From: John Rodgers <inua@hiwaay.net>
> > >
> > > >Mark,
> > > >I learned the trick of raising the rear of the van to bleed the cooling
> > > >system
> > > >from my mechanic, and man of 30 years experience with VW's. Bleeding
> >the
> > > >system
> > > >through the front bleeder valve is a bit of a PITA. Jack up the rear,
> >with
> > > >the
> > > >pressure cap off, run it until the cooling fan cycles several times.
> >That
> > > >way
> > > >you know the thermostat is open and coolant is circulating.Watch the
> > > >coolant
> > > >tank. if there is a bubble the tank will burp, the level will drop a
> >tiny
> > > >bit,
> > > >and you can top it up then. Be sure to put coolant in the expansion
> >tank
> > > >and
> > > >reinstall the pressure cap.
> > >
> > >
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