: i have tried repeatedly to stop a leak from a tap in the kitchen sink. i have replaced washers, o-rings, re-faced the seat and even put stainless steel inserts in the seat, but i still have a dripping tap even when i apply full force to try and turn it off. Please help i am all out of ideasWhen you put in the stainless steel seat, did you remove the clear plastic washer they come with and use teflon tape instead?. The plastic washer squashes out and leaksDISCLAIMERAll advice is given with-out seeing the job, and hence all advice MUST be taken as advice with limited knowledge on the exact situation. NO responsibility can or will be taken. And yes, I am a licensed plumber with my own business in Brisbane AustraliaIf you have more problem, Im in Brisbane.