[T3] Brake Hints!

[William Jahn]

 Once I know I can open the bleeders and they flow meaning I see fluid drip
out then close them one at a time. I'll do some rapid pumps with all the
bleeders closed then just do half travel pedal push , maybe place something
under the brake pedal  on the floor to limit its travel. The last thing I
want to do is damage  anything in the master.

 I understand feeling the pedal end of travel , Once I find it then place
something to stop the pedal from reaching that point. doing rapid pumps it
is difficult to feel the end of travel. I would think driving it in stop
and go all the time would break up any junk . I guess I,ll get the bleeders
loose , open the bottom caliper bleeder then do a few pumps to get that out
then use the top bleeder to do the fluid change and if i see a lot of crud
do it a few times and just do 5 pumps each time. I can always drive it and
do it again.

On Tue, Aug 30, 2022 at 7:53 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 30 Aug 2022 at 15:26, William Jahn wrote:
>
> > I'm confused on this part
> >
> >  " One caveat: When the hydraulics are empty, it's possible to run the
> > pistons in the master cylinder into the end of their travel. If you do
> this
> > hard, it may be possible to damage something. I recommend a few cautious
> > strokes first, to find the end of travel and avoid it thereafter.
> >
> >  I am changing out the old fluid so I assume the hydraulics or lines are
> > not empty. Wouldn't this only apply if I replaced lines or calipers and
> let
> > all the fluid drain out?
>
> Even if the system is filled with fluid, the MC pistons can reach the end
> of
> travel if a bleed valve is open. Granted, it's harder to develop as much
> force
> as when it's filled with air, but why take a chance.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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