Repair Moen Single Handle Bathroom Faucet

Moen is a leading manufacturer of bathroom faucets, and their single-handle models are popular for their durability and ease of use. However, even the best faucets can develop problems over time. If your Moen single-handle bathroom faucet is leaking, dripping, or not working properly, you may be able to repair it yourself with a few simple tools and parts.

Tools and Parts You'll Need

Adjustable wrench
Allen wrench
Phillips head screwdriver
Replacement cartridge (for leaking or dripping faucets)
O-rings (for leaking faucets)

Step-by-Step Repair Instructions

1. Shut off the water supply.

* Locate the water supply valves under the sink and turn them clockwise to shut off the water.

2. Remove the handle.

* Use an Allen wrench to remove the set screw at the base of the handle. * Pull the handle straight up to remove it.

3. Remove the cartridge.

* Use an adjustable wrench to loosen the retaining nut that holds the cartridge in place. * Pull the cartridge straight up to remove it.

4. Inspect the cartridge and O-rings.

* Check the cartridge for any damage or wear. * Inspect the O-rings for any cracks or tears.

5. Replace the cartridge or O-rings.

* If the cartridge is damaged, replace it with a new one. * If the O-rings are damaged, replace them with new ones.

6. Reassemble the faucet.

* Insert the new cartridge into the faucet body. * Tighten the retaining nut until it is snug. * Replace the handle and tighten the set screw.

7. Turn on the water supply and check for leaks.

* Turn on the water supply valves under the sink. * Check for any leaks around the faucet. If there are any leaks, tighten the retaining nut or replace the O-rings as needed.

Additional Tips

* If the faucet is dripping, you may only need to tighten the packing nut. * If the faucet is leaking from the base, you may need to replace the O-rings. * If the faucet is not working properly, you may need to replace the cartridge. * If you are not comfortable repairing the faucet yourself, you can call a plumber for assistance. By following these simple steps, you can repair your Moen single-handle bathroom faucet and get it working properly again.