The 'E' Type Forum

I replaced the Msster cylinder & brake servo a couple of yeara ago & the brakes were fine.But now the brake pedal requires a lot of pressure as if the servo is not working, the servo hisses and the tank appears to hold pressure, any ideas of a hopefully simple fix? Christopher, thanks for advice - ...

I changed the master & servo cylinders 3 years ago and the brakes were fine ; of late the pedal pressure is really hard almost as if the servo is not working. The tank is holding pressure and you can hear presuure being released when operating the brakes.Any ideas before I start the expensive job of...

I replaced the Msster cylinder & brake servo a couple of yeara ago & the brakes were fine.But now the brake pedal requires a lot of pressure as if the servo is not working, the servo hisses and the tank appears to hold pressure, any ideas of a hopefully simple fix?