Fix Dripping Moen Bathroom Sink Faucet

Essential Steps to Fix a Dripping Moen Bathroom Sink Faucet

A dripping faucet can be a persistent annoyance while also wasting water and increasing your utility bills. If you're dealing with a leaky Moen bathroom sink faucet, fear not! Fixing it is often a straightforward process that you can tackle yourself with the right tools and a bit of know-how. Follow these step-by-step instructions to restore your faucet to proper working condition and eliminate that pesky drip.

Tools and Materials:

Adjustable wrench
Phillips head screwdriver
Flat head screwdriver
Pliers
Replacement faucet cartridge (specific to your Moen faucet model)
Plumber's grease
Replacement O-rings (if necessary)
Bucket or towels for catching water

Step 1: Turn Off the Water Supply

Start by turning off the water supply to your bathroom sink. Typically, there will be a shut-off valve located under the sink or behind the access panel. If you can't find one, you may need to turn off the main water supply to your home.

Step 2: Remove the Faucet Handle

Use the Phillips head screwdriver to remove the screws securing the faucet handle in place. Once the screws are out, gently pry the handle off, taking care not to lose any small parts.

Step 3: Disconnect the Supply Lines

Locate the supply lines that connect the faucet to the water supply. Use the adjustable wrench to loosen the nuts that hold the supply lines in place. Be prepared for some water to leak out, so have your bucket or towels ready to catch it.

Step 4: Remove the Faucet Cartridge

Once the supply lines are disconnected, you can remove the faucet cartridge. This is typically done by unscrewing the retaining nut that holds the cartridge in place. If the nut is stubborn, use the pliers to gently loosen it.

Step 5: Inspect and Replace the Cartridge

Carefully inspect the faucet cartridge for any signs of wear or damage. If it appears worn or damaged, replace it with a new one specific to your Moen faucet model.

Step 6: Apply Plumber's Grease

Apply a thin layer of plumber's grease to the O-rings of the new cartridge and the threads of the retaining nut. This will help create a watertight seal and prevent future leaks.

Step 7: Reinstall the Cartridge and Faucet Handle

Reinsert the new cartridge into the faucet body and tighten the retaining nut securely. Reattach the supply lines and tighten the nuts until they are snug. Finally, replace the faucet handle and secure it with the screws.

Step 8: Turn On the Water Supply and Test the Faucet

Turn on the water supply and check for any leaks. If there are no leaks, your faucet should now be working properly.

Conclusion:

By following these steps, you should be able to successfully fix a dripping Moen bathroom sink faucet and restore it to proper working order. If you encounter any difficulties or your faucet continues to leak, it may be best to call a professional plumber for assistance.