How To Replace Old Bathtub Faucet Stem

How to Replace an Old Bathtub Faucet Stem

Replacing a bathtub faucet stem is a common plumbing task that can be completed in a few easy steps. A worn-out or damaged stem can cause the faucet to leak, drip, or become difficult to operate. By following these instructions, you can quickly and effectively replace the stem and restore your faucet to proper working order.

Materials Needed:

Replacement bathtub faucet stem
Adjustable wrench
Screwdriver
Plumber's putty
Water pump pliers

Instructions:

Step 1: Turn Off the Water Supply

Before starting any work, turn off the water supply to the bathtub. Locate the water shut-off valves under the sink or behind the bathtub and close them completely.

Step 2: Remove the Handle Screws

Use a screwdriver to remove the screws that secure the faucet handle to the stem. There may be one or two screws, depending on the faucet design.

Step 3: Remove the Handle

Once the screws are removed, gently pull the faucet handle straight up to detach it from the stem.

Step 4: Remove the Bonnet Nut

Using an adjustable wrench, carefully unscrew the bonnet nut that holds the stem in place. The bonnet nut is located directly behind the handle.

Step 5: Remove the Old Stem

Grip the stem with water pump pliers and pull it straight out of the faucet body. If the stem is stuck, gently tap it with a hammer to loosen it.

Step 6: Apply Plumber's Putty

Apply a thin ring of plumber's putty around the base of the new stem. This will help create a watertight seal.

Step 7: Install the New Stem

Insert the new stem into the faucet body and push it in firmly until it is fully seated.

Step 8: Tighten the Bonnet Nut

Use the adjustable wrench to tighten the bonnet nut. Do not overtighten, as this can damage the stem or faucet body.

Step 9: Reattach the Handle

Align the handle with the stem and slide it down until it is fully attached. Secure the handle with the screws you removed earlier.

Step 10: Turn on the Water Supply

Slowly turn on the water supply and check for any leaks. If there are no leaks, your faucet stem replacement is complete.

By following these steps, you can easily replace an old bathtub faucet stem and restore your faucet to proper working order. This simple repair can save you money and time by preventing more costly problems down the road.