looking for help.i own a ford focus 2000 ghia 2litre. there is a juddering (tapping) sensation on light braking the judder is also intermeting and locking up on heavy braking????? was wondering if any1 else has had similar problems or may know the cause please contact me also have had a diagnosis by ford they said it could be either a wheel sensor or a hydraulic unit. pissed of with them not knowing the proper cause!!!