Inspect the rubber seal on the bottom of the stopper head.
Sink stopper seal.
Check the rubber seal for damage and if necessary replace it.
It s easy to fix a bathroom sink drain plug that s leaking.
Highcraft 97633 kitchen sink spin and seal basket strainer replacement for standard drains 3 1 2 inch chrome plated stainless steel body with threaded stopper 3 9 out of 5 stars 209 12 80 12.
Reinstall the stopper and rocker arm.
Be careful to not lose the rod seal o ring as it may fall out.
Lift the stopper out of the drain.
Dia pop up drain for bathroom sink lavatory matching plated body with overflow in oil rubbed bronze tailpiece model pf0733 orb orb 14 91.
Remove the old seal and slip on a new one if needed.
Simply remove the plunger clean and if necessary replace.
If it s still in good condition you can reuse it.
Pf waterworks 1 25 in.
If the seal is cracked or brittle the stopper should be replaced.
Simply grip the stopper body and pull it out of the drain along with the hinged rocker arm.
Clear the stopper and rocker arm of hair and debris.
Find replacement parts on amazon.