Thanks for that advice I am slightly confused though.
what do you mean by the pressure against the diaphram? what diaphram
do you mean? where is it?
The vacuum hose is a new hose so why would that make the problem
worse? remmeber they changed the hose and it seemed to solve the hard
pedal problem, but shortly after I collected the car
the pedal went hard and the car started stalling.
How would I explain this to the garage in a manner that they would
understand? as they seem pretty clueless! thanks