If the brake pedal slowly goes to the floor and no fluid leaks out
anywhere IMHO is the MC is leaking internally. Just because it is new
doesn't mean it's good.
A spongy pedal is air in the system. A firm pedal that slowly goes to the floor
is a leak (internal or external).
Comments Welcome!
- -Mark = =o&o
>
> Phil,
>
> Funny, I the same thing happens in my Midget. The brake pedal
> gets a lot stronger/harder when pumping once the brake. I too
> thought it was an air bubble. My brake master cylinder is brand
> new and the system doesn't leak. I will try to flush the system
> AGAIN. You would need a new master brake cylinder if it were
> leaking.
> One good hint was mentioned here or in the SOL list is that the
> brake calipers might have been installed upside down. So that the
> bleed nipple isn't anymore on the highest point.
>
> There must be an air bubble somewhere!
>
> Good luck!
> Gus
> =====================================================
> Agustin de la Calle '71 MG Midget (red)
> Boston, MA delacall@bcmp.med.harvard.edu
> =====================================================
>
>
> > I have one thing left which I can't seem to remedy. Brakes. When sitting
>at
> > an intersection I find that the brake pedal starts slowly moving to the
>floor.
> > When it hits bottom, the brake warning light comes on and the car will start
> > rolling. Taking my foot off and reapplying the brakes fixes it. Under
>braking
> > the brakes are good and the system doesn't seem to leak at all. I thought
>this
> > was probably an air bubble so I bled the brakes. Same thing. I took the
>car
> > to a local garage and had the pros flush the system. Same thing. What I am
> > thinking now is that maybe the master cylinder needs some work. Any ideas?
>
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