A pressure bleeder would be the exception to the fancy bleeders. I was
refering to the Mity Vacs and the likes of them. When I hear the name Snap
On I think big bucks but it is possible to make your own pressure bleeder.
...Art
On Mon, 7 Dec 1998, Jay and Mike Hartwig wrote:
>
>
> Art Pfenninger wrote:
> >
> > Chris, I would suggest that you adjust the rear brakes and re-bleed it
> > again. Sometimes it can take hours to do the job and quarts of fluid but
> > in the end it always seems to work. If you are using a fancy brake bleeder
> > this could also be your problem.
> > ...Art
>
> Art and all, do you guys believe the fancy brake bleeders are bad?
> As I peruse the Porsche mailing lists that I am subscribed to, I am
> hearing good things about the Sanp-On and various other brake bleeders,
> aside from the maligned Mityvac system. The advantage to a bleeder is
> that you do not need to press your brake pedal down to the floor to
> begin bleeding. The listers claim this is bad on the master cylinder,
> since it moves it to positions that it never regularly explores and may
> harm the seals. I don't think this would be a problem with a master
> cylinder in good shape, but I could be wrong.
>
> Anyway, the Snap-On bleeders are basically caps that you put on the
> brake fluid reserve tank, and then air pressure FORCES fluid into your
> sytem. This eliminates any need for pressurizing the system, and I
> would think, this would be an excellent way to ensure no air in
> entrained. I would imagine you could bleed a whole system in one quart
> of fluid, and provided your seals and bores are in good shape, you
> should have a strong pedal.
>
> On another note, I've been frequenting my local machine shop lately
> overseeing the work on the motor for my Porsche. Things are going very
> well, but the best thing about this machine shop is the fact that the
> owner is a car nut. He'll take time out just to show me my motor and
> its progress and also show me his shop. One thing that was interesting
> was his statement that a master cylinder or like can be resleeved AND
> will be stronger than the original part. This was indeed interesting,
> as I am one who is willing to throw the part away and buy new if I can't
> rebuild. No more! Besides, the expense of Porsche parts requires that
> I be more frugal. From now on, whether P-car or M-car, I will research
> the expertise of my local machinist. This could save time, money, and
> save parts from the trash can. A WIN-WIN situation for all, given you
> have a competent machine shop (many times incompetence outnumbers
> competent).
>
> Sorry for the long wind in my chest, but I wanted to share some things I
> feel strongly about.
>
> Jay
>
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