Hi I managed to fix the braking problem I had. I changed my discs, pads, caliper seals, wheel cylinders, shoes and even master cylinder. I also changed the pipe which goes from the inlet manifold to the servo. But the control valve's arrow is pointing to the inlet manifold. And today I have found that it is wrong according to this link:

http://out-of-town.co.uk/cars/servo3.jpg

Can somebody tell me which one is true? Do I have to change the way round the control valve? 10x.