2006 Ford Fiesta ford fiesta clutch pedal

I have an 06 ford fiesta zetec climate. in july just before its 3 year warranty was up i experienced a problem where i thought the clutch had gone as the clutch had no power to it at all. On calling the RAC out out they told me it was a common problem & would put a clamp on the pedal to stop it happening again.
Here we are 4 months later the self same thing has happened again..coincidently in the same place as well!!! The RAC have replaced the clamp today but told me this needs looking at by ford,as this occured first time within the warranty i have emailed them today & asked for them to view this matter. Has anybody else expereinced this problem