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A worn cartridge is the most common cause of a two-handle faucet that will not stop dripping. Replacing this inexpensive part restores a watertight seal, saves water, and prevents further damage to the fixture and countertop. Use this guide to safely remove the faulty cartridge, install a new one, and get your faucet working like new.
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crwdns2931653:01crwdne2931653:0 Gather tools and parts
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Collect rags, a hex key, a flathead screwdriver, a Phillips screwdriver, a crescent wrench, and the correct replacement cartridge.
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crwdns2931653:02crwdne2931653:0 Shut off water and locate the leaking handle
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Turn the cold water supply valve under the sink clockwise until it stops.
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Open the faucet and watch for dripping to see if the leak stops.
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If water still drips, close the hot water valve as well.
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Note which handle controls the valve that stopped the leak to identify the faulty side.
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crwdns2931653:04crwdne2931653:0 Remove the handle
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Insert a hex key into the handle set screw and turn it counter-clockwise until the screw comes out.
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If the handle has a cap, gently pry it off with a flathead screwdriver to reveal the screw.
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Loosen and remove the internal screw with a Phillips screwdriver to free the handle.
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crwdns2931653:05crwdne2931653:0 Loosen the packing nut
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Back off any remaining decking hardware to gain clearance around the stem.
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Place a crescent wrench on the packing nut and turn it counter-clockwise until the nut lifts free.
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crwdns2931653:06crwdne2931653:0 Remove the old cartridge and dry the area
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Pull the cartridge straight up and out of the faucet body.
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Wipe moisture from the faucet cavity and surrounding surfaces with clean rags.
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crwdns2931653:07crwdne2931653:0 Install the new cartridge and secure it
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Press the replacement cartridge into the housing, aligning any locating tabs.
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crwdns2931653:08crwdne2931653:0 Reattach the handle
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Slide the handle onto the stem and tighten the set screw to lock it in place.
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crwdns2931653:09crwdne2931653:0 Restore water and test
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Open both supply valves fully.
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Run the faucet for one minute to flush air and debris and confirm that no leaks remain.
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With the new cartridge in place and the faucet leak-free, remove the rags from the drain and store your tools. Periodically check the faucet for drips over the next day to ensure the repair is holding.
With the new cartridge in place and the faucet leak-free, remove the rags from the drain and store your tools. Periodically check the faucet for drips over the next day to ensure the repair is holding.
