How To Repair Dripping Moen Bathroom Faucet

Essential Guide to Repairing a Dripping Moen Bathroom Faucet

A dripping bathroom faucet can be a constant annoyance and waste water, leading to increased water bills. If you're facing this issue with your Moen bathroom faucet, don't worry—it's a common problem with a straightforward solution. Here's a comprehensive guide to help you repair that dripping faucet and restore peace to your bathroom:

Tools and Materials:

Phillips head screwdriver
Allen wrench (for some models)
New O-rings and washers
Plumber's grease
Wrench
Adjustable wrench

Step-by-Step Instructions:

1. Turn Off Water Supply:

Locate the water supply valves beneath the sink and turn them clockwise to close them. This will prevent water from flowing while you work.

2. Remove Handle:

Locate the set screw or cap on the handle and remove it with the appropriate screwdriver or Allen wrench. Pull the handle straight up to remove it.

3. Remove Cartridge:

Use an adjustable wrench to loosen the cartridge nut or retainer. Carefully pull the cartridge straight up and out of the faucet body.

4. Inspect and Replace O-rings and Washers:

Inspect the O-rings and washers on the cartridge for signs of wear or damage. Replace any damaged parts with new ones. Apply a small amount of plumber's grease to the new O-rings.

5. Reinstall Cartridge:

Align the new cartridge with the faucet body and insert it straight down. Tighten the cartridge nut or retainer snugly with the adjustable wrench.

6. Reinstall Handle:

Place the handle over the cartridge and align the set screw or cap. Tighten it securely with the screwdriver or Allen wrench.

7. Turn On Water Supply:

Turn the water supply valves back on counterclockwise and check for leaks. If any leaks occur, retighten the cartridge nut or other connections as necessary.

Tips:

If you're dealing with a stubborn cartridge, you may need to use a faucet puller tool to remove it.
When purchasing replacement O-rings and washers, match them exactly to the original ones.
If the drip persists after following these steps, it may indicate a more serious issue that requires professional repair.

By following these instructions, you can effectively repair your dripping Moen bathroom faucet and enjoy a leak-free, peaceful bathroom once again. If you encounter any difficulties during the repair process, don't hesitate to consult a professional plumber for assistance.