by "z" <z@[EMAIL PROTECTED]
>
Apr 13, 2006 at 12:15 AM
A severe blockage in the brake pipe perhaps. The servo pressure could be
enough to push past the blockage but the slave piston return springs are
not
as powerful so the pressure is not easily released. Just a thought.
"supergun" <supergun@[EMAIL PROTECTED]
> wrote in message
news:1142510408.090490.159540@[EMAIL PROTECTED]
>I have a RR Corniche 1977.
> The offside rear caliper started binding causing the brake disc to
> overheat and cook up the rubber seals.Ive replaced pistons 4 and
> rubbers but there is still pressure in the lower pistons when I use the
> car.which is causing overheating again.
> When the car is jacked up,if I apply the brakes without the engine
> running the brakes come on and release normally,but if I apply the
> brakes with the engine running the bottom pistons of the 4 bind on
> ,inother words there is pressure remaining in that circuit.If you then
> undo the bleed screw the pressure is released.Can anyone help with some
> suggestions
> Roger
>
