Date: Wed, 22 Jul 2015 12:38:35 +0000
Reply-To: Jim Felder <jim.felder@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jim Felder <jim.felder@GMAIL.COM>
Subject: Re: FTE Brake Master Cylinder: Failing Seal? PICS
In-Reply-To: <CAB2RwfgD=YhFYkm06sA3Oc0_tqp9ZY94pK3KAK0=P1STv4vL0A@mail.gmail.com>
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Not sure if this directly addresses your question, but it helps when
bleeding brakes to surround the bleeding nipple with grease. Vaseline will
do. This way you know when the nipple is cracked that no air is getting in
the line through the threads.
Jim
On Wed, Jul 22, 2015 at 3:56 AM Neil N <musomuso@gmail.com> wrote:
> Thanks Scott. Good tip on solid pedal, engine not running.
> With engine running, my brake pedal almost feels slightly mushy in
> comparison.
>
> > Be sure to pause between storkes at 'pedal up' for a few seconds.
>
> also a good tip. Easy to over look! Something that can't be done when using
> a pressure bleeder??
>
> > I find the good old fashioned 'clear hose in a bottle of BF' manual
>
> I assume you mean the old fashioned 'push the pedal ... etc' method?
>
> Of note, I found it interesting that as I held my 7mm wrench in place
> on the passenger side caliper upper bleed bolt, (i.e. I was pushing
> slightly downward on wrench),
> a HUGE stream of bubbles would flow down the hose to the bottle full of BF.
> That bleeder screw feels like it has a LOT of play at threads. i.e.
> the same bleeder screw
> at driver side does not. Like it fees normal.
>
> This must be due to finer points of physics and chemistry, neither of
> which I'm closely acquainted with, ha ha, but how can air be drawn
> into the bleeder screw where it threads into the calpier then show up
> as bubbles in the bleeder hose?
>
> Neil.
>
> On 7/22/15, SDF ( aka ;jim lahey' - Scott ) <scottdaniel@turbovans.com>
> wrote:
> > fwiw..
> > I find the good old fashioned 'clear hose in a bottle of BF' manual
> > methods works quite well.
> >
> > what I like about it is ..
> > two main things ..you can watch for bubbles..either for bubbles to work
> > their way out and then stop ..
> > or continuous tiny bubbles like the MC is pumping in air ..
> >
> > the other reason ...s ..huge advantage ..you can just plain 'Feel' if
> > it's pumping well or not.
> >
> > I start bleeding at one corner of the van ..
> > work my way around wheel by wheel ..
> > then do the first wheel again.
> > Then feel for a good firm pedal ( engine not running )
>
> --
> Neil n
>
> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
>
> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
>
> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>
>
> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>
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