How to Fix a Moen Kitchen Faucet

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Things You'll Need

  • Screwdriver

  • Allen key

  • Wrench

  • Cartridge socket tool

Most Moen faucets have a cartridge inside.

Moen builds a wide variety of single-handled and double-handled kitchen faucets. Most Moen faucets have a cartridge inside that controls the flow of water as it turns. Most leaks or performance problems with the handle of the faucet are due to a faulty cartridge inside the faucet. After years of use, the faucet cartridge will need replacement. The repair requires a cartridge socket tool that comes with the replacement cartridge. Order the new cartridge using the model number of the faucet you are repairing.


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Step 1

Turn off the water to the faucet at the water valve control under the sink or turn off the water mains to the kitchen.

Step 2

Tighten a loose faucet by clearing out underneath the sink and tightening the nuts underneath the faucet that hold the faucet down using a wrench.

Step 3

Remove the handle of the faucet if you see leaking or feel a grinding from the cartridge. Remove the cover of the faucet and loosen the screw holding the handle down. Find the Allen screw at the base of the handle if the handle does not have a plastic cover and remove it using an Allen key. Pull the handle off the faucet.


Step 4

Remove the washer and retainer clip from the exposed cartridge using a screwdriver.

Step 5

Fit the cartridge removal tool over the cartridge and loosen the cartridge by turning the tool with a wrench. Pull out the cartridge and replace it with a new one. Reassemble and tighten all the components.