This is usually due to the spring mechanism behind the faceplate.
Trip lever drain stopper broken.
How to remove an old lever style bath tub drain stopper.
When the plunger is pulled up it levers the drain stopper down into the closed position.
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Over time this setup would.
A bathtub with a trip lever drain stopper works using an internal plunger that moves up and down inside the waste and overflow tube to pivot a drain stopper in the drain opening.
How to repair the trip lever in a tub drain.
A trip lever drain stopper that uses a lift bucket plunger can be identified by the absence of a pop up stopper in the drain opening.
When problems occur with this type of drain it is for one of two reasons.
So if your like me and forgot to use pliers to make sure the linkage doesn t come apart on a tub drain trip and the bottom piece falls down the drain.
Unscrew the faceplate that is mounted to the overflow drain.
For decades the standard lever style bathtub drain stopper was made of metal pieces and a metal spring.
The lever on your bathtub operates the hidden stopper in the drain.
Set the drain to its open position.
When the stopper in your lever style bathtub drain won t pop up anymore because the linkage is damaged or clogged replace it with a much simpler lift and turn style tub drain.
The plunger has become stuck in the overflow tube and will not move up and down freely.
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The linkage in a lever style drain attracts dirt and hair like a magnet and must be cleaned regularly in order to keep the drain working properly.
Some people refer to the system of adjustable rods that connects the drain stopper of a bathtub to the trip lever as the guts of the bathtub.
How to remove a trip lever drain stopper.
Pull the faceplate free and the rest of the drain stopper s connected hardware should follow.
When the plunger is down it presses down on the stopper lever and forces the stopper up into the open position.