I agree with Lawrence. If the clearance is non-exsistent ot insuficent, You
will see exactly this problem. Been there done that.
Gergo
2011/8/8 WILLIAM B LAWRENCE <ynotink@msn.com>
> In order for that valve to release properly you need to have about 1/16"
> clearance between the end of the actuator rod and the master cylinder
> piston.
>
> Bill Lawrence
>
> > Date: Sun, 7 Aug 2011 19:19:51 -0700
> > From: bspidell@comcast.net
> > To: ronald-ray@sbcglobal.net
> > CC: healeys@autox.team.net
> > Subject: Re: [Healeys] Front disc brakes locking up after rebuild
> >
> > This is a SWAG, but from the description it sounds like a problem with
> the
> small seal that closes the line to the
> > reservoir when the brake pedal is pressed. If this seal isn't released
> when
> the brakes are released the brake system
> > will remain pressurized.
> >
> > How sure are you that you got this plunger assembly assembled correctly?
> I
> think there's a seal, the plunger, a spring
> > and a thing that looks like a thimble with slots cut in it.
> >
> > IIRC, the problem with the 'Classic Gold' M/Cs Moss sells was that the
> spring-loaded plunger that engages this seal
> > would get cocked in the cylinder, which could cause this problem.
> >
> > Bob
> >
> >
> > On 8/7/2011 5:23 PM, Ron Ray wrote:
> > > Folks,
> > >
> > > After rebuilding the hydraulic system the front brakes do not release.
> If
> > > the bleed screw is loosened, they do release.
> > > The rear brakes do not lock up
> > >
> > > All rubber hoses were replaced.
> > > All original steel brake lines were clean with air pressure.
> > > The connector valve on the passenger side was removed and cleaned with
> air
> > > pressure.
> > > The caliber pistons can be moved by hand when they are off the car.
> > >
> > > When the front brakes lock up, the master cylinder piston does not
> return
> to
> > > the full "forward:" position.
> > >
> > > Any suggestions would be greatly appreciated.
> > >
> > > Thanks
> > > Ron
> > >
> > >
> >
> >
> > --
> > *******************************************************************
> > Bob Spidell San Jose, CA bspidell@comcast.net
> >
> > *******************************************************************
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