Air leak

[Stephen Birtles]

Gardner
is there a small screenned in portion inthe front bin if there is
look behind that It took me 2 years before I found mine just never
paid attention to the screened in box
Stephen 77fc35

--- In WanderlodgeForum@yahoogroups.com, "Gardner Yeaw"
wrote:
>
> Jeff,
> I don't believe I have a pump, at least I have never heard it run
> and there is nothing in the compartment. I will study the diagrams
> and such and begin looking for the vacuume lines and cruise control
> components. In the meantime I will seal up the leak and skip the
> cruise control.
>
> Gardner
> 78FC33
>
> --- In WanderlodgeForum@yahoogroups.com, "Jeff Miller"
> wrote:
> >
> > If your '78 has a mechanical (Ghast) vacuum pump in the back of the
> > compartment under the co-pilot's seat, this is not an
> > aspirator/vacuum-generator. If it is, look for vacuum leaks in the
> > cruise control as others have mentioned.
> >
> > - Jeff Miller
> > in Holland, MI
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, "Gardner Yeaw"
> > wrote:
> > >
> > > I have an air leak in the front of my 78FC33. Lying on the ground
> > > and reaching up in the left front there is what looks like a
> > > distribution valve. It has at least two thin black hoses attached
> > > with screw on caps. When I shut off the coach it leaks for a few
> > > minutes then stops. The brake tanks keep about 75 lbs of
> preasure,
> > > but the step stops working.
> > >
> > > There is a tube that is designed to have a rubber hose sliped
> over
> > > it on one side of the valve, I can't see it, but that is where
> the
> > > air is leaking from, It seemed odd that there would be a slip on
> > > connection when all the others are the standard black tube with a
> > > screw on connector.
> > >
> > > Does anyone have any idea what this valve may be for? I had
> read
> > > that the cruise control used air passing over a venturi to
> generate
> > > vacuume, could this be it?
> > >
> > > Thanks
> > > Gardner
> > > 78FC33
> > >
> >
>