Moen Faucet Handle Leaking: How to Fix It

If you have a Moen faucet, you may have noticed that the handle is leaking. This is a common problem, and it can be frustrating to deal with. However, the good news is that you can fix it yourself without calling a plumber. In this article, we will show you step-by-step how to fix a Moen faucet handle that is leaking.

Step 1: Turn off the Water Supply

Before you start working on your faucet, you need to turn off the water supply. Look under your sink and find the shut-off valves. Turn the valves clockwise until the water stops flowing. If you can’t find the shut-off valves, turn off the main water supply to your house.

Step 2: Remove the Handle

Next, you need to remove the handle of your Moen faucet. Look for a screw on the handle that holds it in place. Use a screwdriver to remove the screw and then lift the handle off the faucet.

Step 3: Remove the Retainer Clip

Under the handle, you will see a retainer clip that holds the cartridge in place. Use pliers to remove the clip by squeezing it and pulling it out.

Step 4: Remove the Cartridge

Now you can remove the cartridge from the faucet. Use pliers to grip the stem of the cartridge and pull it straight out of the faucet.

Step 5: Inspect the Cartridge

Inspect the cartridge for any damage or wear. If you see any cracks or chips, you will need to replace the cartridge. If the cartridge is in good condition, you can clean it and re-install it.

Step 6: Clean the Cartridge

Use a soft cloth to clean the cartridge and remove any debris or mineral deposits. You can also soak the cartridge in vinegar for a few hours to remove stubborn deposits.

Step 7: Re-Install the Cartridge

Once the cartridge is clean, you can re-install it in the faucet. Make sure it is properly seated and use pliers to push it in all the way.

Step 8: Re-Install the Retainer Clip

Place the retainer clip back in its slot and use pliers to push it down until it clicks into place.

Step 9: Re-Install the Handle

Line up the handle with the cartridge and push it down until it is flush with the faucet. Use the screw to secure the handle in place.

Step 10: Turn on the Water Supply

Now you can turn the water supply back on. Turn the valves counter-clockwise or turn on the main water supply to your house.

Step 11: Test the Faucet

Turn on the faucet and check for leaks. If the faucet is still leaking, you may need to replace the cartridge.

Step 12: Replace the Cartridge

If the faucet is still leaking, you will need to replace the cartridge. Follow the same steps as above to remove the old cartridge and install a new one.

Step 13: Check the O-rings

While you have the cartridge out of the faucet, check the O-rings for any damage or wear. Replace them if necessary.

Step 14: Clean the Aerator

If the water flow is weak or uneven, you may need to clean the aerator. Unscrew the aerator from the end of the faucet and soak it in vinegar to remove any mineral deposits.

Step 15: Re-Install the Aerator

Once the aerator is clean, screw it back onto the end of the faucet.

Step 16: Test the Faucet Again

Turn on the faucet and check for leaks and proper water flow.

Step 17: Tighten Loose Connections

If you notice any loose connections while working on your faucet, tighten them with pliers or an adjustable wrench.

Step 18: Use Thread Sealant

If you have any threaded connections on your faucet, use thread sealant to prevent leaks.

Step 19: Regular Maintenance

To prevent future leaks, perform regular maintenance on your Moen faucet. Clean the aerator and cartridge regularly and replace any worn or damaged parts.

Step 20: Conclusion

Fixing a Moen faucet handle that is leaking is a DIY project that you can do yourself. By following these simple steps, you can save money and time by avoiding the need to call a plumber. Regular maintenance and cleaning can prevent future leaks and keep your faucet working properly for years to come.