I have reused the reservoirs on several cars (not mercedes though). You should be able to wipe out most of it. Shake it up and dump it. Add clean fluid, shake and dump
Carl
...and the fluid DOES look nasty.
Guess I'll order a new reservior to go with the new m.c.
--- In diesel_mercedes@yahoogroups.com, diyernh <diyernh@...> wrote:
>
> One of my "oooohhhh" moments was when I first had a failed master
> cylinder. I spent all sorts of time checking everything else. When I
> finally made it back to the master cylinder for replacement, I found
> black stuff floating in the reservoir. I believe it was the seals
> degrading and flaking off into the fluid.
>
> I hadn't really looked at the fluid. Brake fluid is quite clear. It's
> a pretty good telltale sign that the master cylinder is bad if it's
> black or murky.
>
> Carl
>
>
> On 9/8/2012 7:29 PM, ajrnemt wrote:
> >
> >
> > it does, but becomes sponge like, and pretty much goes to the floor..
> >
> > I'm assuming failed master cylinder-- but thought it odd that I have a
> > firm pedal when the engine is off-- only to go to mush when it's running.
> >
> > ..and if I have to pull the master cylinder-- how do I get the
> > reservior off the top of it??
> >
> > ...
> > --- In diesel_mercedes@yahoogroups.com
> > <mailto:diesel_mercedes%40yahoogroups.com>, Stan George <ssgkag@>
> > wrote:
> > >
> > > On 9/8/2012 3:34 PM, ajrnemt wrote:
> > > > k, I've noticed the pedal has gone soft (after starting the engine)
> > > > it's like a rock, and correct "height" with the engine off..
> > >
> > >
> > > Put your foot on the brake pedal and start the car (assuming there
> > is no
> > > vacuum in the system). You should feel the brake pedal sink if the
> > > vacuum booster is operating properly.
> > >
> > > --
> > > Stan George Portland <<
> > >
> >
> >
>
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