You have to disassemble the stopper mechanism to fix this.
Pop up drain stopper stuck down.
This spring pushes down on a pivot arm that levers the pop up stopper up into an open position when the trip.
It s very frustrating when the stopper is unable to be lifted not allowing water to flow down the drain or won t lower to allow water to stay inside the sink.
An old style bathtub pop up is raised or lowered with a lever at the tub s overflow plate.
It s easy to remove a tub stopper to check it for mechanical problems or blockage.
Repair a pop up tub drain stopper with help from a.
The stopper fits very tightly to the ring leaving no space for pliers a screwdriver or even a knife.
When this happens the lever will push the stopper up but it won t pull it down leaving the stopper stuck in the open position.
Pop up drain stopper.
A pop up tub train stopper can be replaced in a couple of minutes so long as you know what you re doing.
Inside the tailpiece the thin plastic strip at the base of the stopper flange may have broken.
A trip lever drain that operates a pop up stopper uses a slightly different mechanism.
The plug may not catch when pushed down or it may stay down and not pop back up.
Rather than a lift bucket plunger that seals a drain opening at the bottom of the overflow tube there is a spring at the end of the connecting rod.
Old style mechanisms like the one shown in our illustration above and newer spring loaded pop ups.
Push on the drain plug again and it will pop up to release the water.
Either way the drain plug must be replaced.
A pop up drain stopper is vulnerable to foreign objects becoming stuck in it which hinders the stopper from raising or seating properly.
The spring mechanism in the drain plug eventually will wear out.
How to remove a bathtub pop up drain stopper.
I had this problem and thought i d have to dismantle the entire drain assembly.
Fixing a push button sink.
My push to pop up sink stopper is stuck down.
To close the drain plug you simply push it down.