@boostup: change the clutch fluid from the clutch master cylinder located just beside the brake servo/master. bleed about 150~200ml of the stuff. you can use dot 5.1 or 4.1 whatever you use on your brakes to give it a nice flush. this may not resolve your problem though. how old is your clutch..? age time-wise and in miles/kms..? which one is it..?