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
>
>
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Bob Spidell San Jose, CA bspidell at comcast.net
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