> wrote in message
. ..
> >
> > Earlier today I read that the seals on the master cylinder can be
> > damaged if the mechanic drains the brake fluid by depressing the brake
> > pedal all the way to the floor, and that a professional shop should use
> > other equipment to get the job done.
>
>
> Nope, not true. Mechanics have bled brakes for decades by applying
> pressure,
> loosening the cocks, and allowing bubbles and old brake fluid to exit.
>
> You dont have to use fancy equipment, although it makes the job faster,
> though
> not necessarily better. Doesnt hurt anything.

Ive seen this done, and done it myself for years, but have never damaged a
master cylinder. Still, the logic is there that it could happen, and I have
to
retract my statement above. Just because I always got away with it doesnt
mean it doesnt happen.