If you can t find a valve that is dedicated to the bathroom turn off the main.
Changing tub valve stem.
Diy bathtub faucet repair fixing a leaking dripping faucet yourself without paying a plumber.
Use a pocketknife to pry off the small round index cover from the shower s hot water faucet handle.
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Lubricate the parts with special plumber s grease.
Wiggle the handle and pull it off.
Remove the screw holding the handle in place then pull the handle free of the valve stem.
Turn off the water to the bathtub.
This video provides complete instructions on how to repair a malfunctionin.
Bring this part to your local hardware or plumbing supply store to buy a replacement.
Then shut the water off and cut a hole in the small opening behind the trim plate so you can reach the valve.
Pop the caps off the faucet handles with a slot screwdriver.
Unscrew the handle screw with a flathead or phillips head screwdriver as needed.
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First unscrew the packing nut.
Begin by using a flat head screwdriver to pry off the handle s plastic cover also called the plastic insert or index.
A shows the bathtub plumbing faucet stem replacement parts and how to prepare the stem for reinstallation.
Using a valve stem wrench or channel locks remove the stem.
Using needlenose pliers remove the valve clip and pull the valve out of the wall.
If you re working on a two handled faucet we recommend replacing the washers and seats in both the hot and cold valves.
Odds are you ll just have to take it back.
To replace a shower valve start by unscrewing the shower handle and trim plate so you can remove them.
By hand unscrew and remove the escutcheon to expose the stem.
You will not know what kind of stem you need prior to taking the faucet apart so do not buy it in advance.
See below for a shopping list tool.
Unscrew the faucet handles with a phillips screwdriver.
Unscrew the lock nut.
You may need a faucet handle puller if the handle will not come.
How to fix a leaky tub faucet stem 1.