I've found that the MityVac sucks air in around the threads as
mentioned. The solution is to use some thick grease or vaseline on the
threads. It's a different experience then and does a satisfactory job.
The plastic tube from the Mityvac fits over the vanagon fitting. I
don't ever use the adaptors.

Jim

On Wed, Mar 11, 2009 at 8:46 PM, craig cowan <phishman068@gmail.com> wrote:
> My experience is that i haven't even gotten far enough to suck air in from
> the threads....
> the adaptors never fit well enough! The threads leaking "Can" be addressed
> in a permenant way with some teflon tape or similar sealing method for
> future uses. I just wish these products worked as well as i hoped, because
> they seem like a fantastic idea.
>
> I too have a Mightyvac.
>
> -Craig
> '85GL turned WESTY
>
> On Wed, Mar 11, 2009 at 9:28 PM, Zeitgeist <gruengeist@gmail.com> wrote:
>
>> My exact experiences, as well.
>>
>> On Wed, Mar 11, 2009 at 6:23 PM, Allan Streib <streib@cs.indiana.edu>
>> wrote:
>>
>> > Bob Mac <yakandhike@COMCAST.NET> writes:
>> >
>> > > Has anybody tried the vacuum bleeder sold by harbor freight. It's only
>> > > $19.95 and seems like a simple operation. No worry about blowing seals
>> > > and everything is done right at the wheel, except filling the
>> > > res. Just curious
>> >
>> > I have not tried that one but I have tried a Mity-Vac which is
>> > essentially the same thing. �I found it did not work very well. �It
>> > seemed to always suck air in around the threads of the bleed screws and
>> > not really get the air our of the system.
>> >
>> > But, I've never had good luck bleeding brakes on any vehicle, and the
>> > pressure bleeder is the only thing that's ever worked well for me.
>> >
>> > YMMV.
>> >
>> > Allan
>> > --
>> > 1991 Vanagon GL
>> >
>>
>>
>>
>> --
>> Casey
>> '87 300TD
>> '94 100CSQ Avant
>> '89 Bluestar
>>
>