Does anybody have a write up on how to replace a clutch in a 2005 Scion XA

 

let me know if you find out i need help to

 

im not really sure how to tell if my clutch is bad but i know sometimes when i drive it feels like i have to give it more gas alot like its stalling and when i get out on the highway and gun it it feels like it slips like i have power then it gone then its back so im not sure friends tell me its the clutch