So I finally got a new g60 caliper the bleeder screw and inlet are in
different places but that’s not my problem although I thought I installed
the caliper incorrectly for a second. I bled the system with the motive
bleeder. Looked like I got all the bubbles out let it drain for a while
after I stopped seeing bubbles but I have no pedal pressure when the van is
running. however I do have pedal pressure when it’s not.  I thought I just
had to bleed it again maybe some air still trapped in the system but the
fact I have pedal pressure when it’s not running and none when it is is
making me think I have a different issue. Anyone have any idea? Is that
what that little sensor on the master cylinder does?

On Tue, May 5, 2020 at 2:44 PM Neil N <musomuso@gmail.com> wrote:

> Thanks a lot for clarifying that Stuart. The "rest of the class"
> likely understood what you meant but since I use a home brew pressure
> bleeder, was curious.
>
> Good to get a PSI value on this as well. I'm careful of how much
> pressure I use but over the years, may've been using too much. The
> plastic on my '81 fluid reservoir is old !
>
> Neil.
>
> On 5/5/20, stuartmacm@gmail.com <stuartmacm@gmail.com> wrote:
>
> > When you release the pressure in the Motive tank  the air at  the top of
> the
> > pressurized master cylinder reservoir will be forced  back down the hose
> and
> > bubble out of the tube that goes into the fluid.  That's what I meant.
> > Pinching  off the hose will prevent this, or just don't open  the Motive
> > tank until bleeding is done, which means having a good amount of fluid in
> > the tank when you start.   It's a great product and I've used it many
> times
> > on all my vehicles.  I also use it to pressurize the Vanagon cooling
> system
> > for leak testing.
> >
> > Stuart
> >
> > -----Original Message-----
> > From: Neil N <musomuso@gmail.com>
> > Sent: Tuesday, May 5, 2020 9:49 AM
> > To: Stuart MacMillan <stuartmacm@gmail.com>
> > Cc: vanagon@gerry.vanagon.com
> > Subject: Re: Questions about brake bleeding
> >
> > HI Stuart.
> >
> > On 4/11/17, Stuart MacMillan <stuartmacm@gmail.com> wrote:
> >
> >> .... If you have to add more when you crack the cap you'll bubble air
> >> into the fluid remaining and will need to wait several hours or toss it.
> >
> > I'm not familiar with the Motive pressure bleeder.
>
>
> --
> Neil n
>
> VE7TBN
>
> 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt
>
> 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8
>
> VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>