The broken cartridge is not easy to get out and moen makes a moen cartridge puller that you can use to pull the valve out.
Broken bathtub faucet stem.
Wiggle the handle and pull it off.
After this the next step is to identify the faulty parts of a faucet stem.
If you re working on a two handled faucet we recommend replacing the washers and seats in both the hot and cold valves.
So i wasn t able to use the moen valve cartridge puller.
Place a socket wrench over the bathtub faucet stem until it covers the hex nut.
For example the most common reason for a faucet leaking is the washer needs to be replaced.
Restore the water supply.
If the stem is failing it may not be fully blocking the stream of water.
How to replace a single hot cold bathtub knob.
Look at each piece and if necessary replace all of them otherwise just replace the faulty ones.
Faucet stems are raised and lowered when you turn the handle.
Reinsert the valve stem and tighten the stem in its socket using a wrench.
Lubricate the parts with special plumber s grease.
You may need a faucet handle puller if the handle will not come off by hand.
So check if the washer is broken or not.
First unscrew the packing nut.
This prompts the water flow.
Check the faucet stem parts.
A shows the bathtub plumbing faucet stem replacement parts and how to prepare the stem for reinstallation.
You have now learned how to fix a broken bathtub faucet handle.
A loose bathtub knob can make it difficult to turn the faucet on to fill the tub and difficult to turn off to avoid a dripping spout.
A broken ball handle will require a few specific tools to properly repair.
Replace the faucet knob over the stem secure with the handle screw and replace the protective cap.
Turn the wrench counterclockwise to loosen the nut until you can pull the stem free.
However the valve puller screws into the shaft of the valve stem which in our case broke off pic below.
Repeat the steps if you have a two handle system.