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From dstevenson_at_batterymarch.com Fri Jul 26 06:36:25 1996
id xma027945; Fri, 26 Jul 96 09:21:07 -0400
id AA838398267; Fri, 26 Jul 96 09:35:50 est
Date: Fri, 26 Jul 96 09:35:50 est
From: "dstevenson" <dstevenson_at_batterymarch.com>
Encoding: 88 Text
To: dale_at_unofficialbmw.com
Subject: Re[2]: Brake Bleeding
Thanks
I have thought about making my own positive pressure bleeding pump
similar to the one you describe below.
The hardest part is coming up with a cap for the master cylinder. When
you say a "spare brake fluid cap" this is what you mean correct?
The options I came up with for this is to get a used master
cylinder(or just the cap if possible, probably most people will not
sell just that) or , Snap On sells a universal cap that they say fits
on Mercedes and BMW (maybe others). I have seen this, it cost $38, but
it does have a threaded hole in it to attach your air hose.
Other than that, you need...
1:)bike pump
2:)hose
3:)one way valve (valve stem would do it, but how would you put it
inline?, and would a hand pump have the force to depress the one way
valve?).
4:) master cylinder cap.
Any comments?
I hear from many people that those vacume type bleeders (mighty mac?)
are worthless
Thanks again for the help.
Don
______________________________ Reply Separator _________________________________
Subject: Re: Brake Bleeding
Author: dale_at_unofficialbmw.com at internet
Date: 7/25/96 6:28 PM
Hi,
If the car has been well maintained, I don't see any problems
with the 2-person method. But if you don't have an assistant
or are unsure of the maintanence, I'd use a tire pump with
a valve stem in a spare brake fluid cap. Put the spare cape
with valve step on the car, pump up a slight pressure,
then start the normal bleeding procedure. Don't forget
to watch the level of fluid. And don't pump too much pressure.
Dale
> Hi
>
> I like your page.
>
> What do you think of the old 2 person way of
> bleeding brakes? I have heard that it pushes the
> piston in the master cyl beyond its normal travel
> and degrades the seals by scraping them across
> coroded area's.
>
> Do you agree?
>
> How do you bleed your brakes on an e30?
>
> Thanks
> Don Stevenson
> BMWCCA Boston
>
--
| Dale Beuning |
| email: dale_at_unofficialbmw.com |
| web: http://www.unofficialbmw.com |
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