Far to much info required to answer on this site suggest you buy a "haynes" type manual or try your local library it will take you through the steps required to replace the clutch and all the torque figures required, or go to a fast-fit place if you have'nt got the tools or experiance, you will then have at least a 12 month warranty
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.