TL;DR: Turn off the water supply, remove the handle, and replace the worn-out washer or cartridge to stop the drip. If the problem persists, consider replacing the entire valve seat or seeking professional help.
How to Fix a Leaky Faucet: A Step-by-Step Plumber’s Tutorial
A dripping faucet is more than just an annoyance; it wastes gallons of water and increases your utility bills. Fortunately, fixing a leaky faucet is one of the most manageable DIY plumbing projects. With basic tools and a little patience, you can restore your sink to pristine condition in under an hour.
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Gather Your Tools
Before you begin, ensure you have the necessary equipment. You will need an adjustable wrench, screwdrivers (both flathead and Phillips), pliers, and a replacement cartridge or washer kit specific to your faucet model. It is also wise to keep a bucket and towels nearby to catch any residual water.
Step 1: Shut Off the Water
The first critical step is to prevent water from spraying everywhere. Locate the shut-off valves under the sink and turn them clockwise until they stop. If you cannot find individual valves, you may need to shut off the main water supply to your home. Open the faucet briefly to drain any remaining water and relieve pressure in the lines.
Step 2: Remove the Handle
Most faucet handles are secured by a small screw, often hidden under a decorative cap labeled “Hot” or “Cold.” Pry off the cap with a flathead screwdriver and remove the screw. Gently lift the handle off. If it is stuck, use pliers to wiggle it loose carefully to avoid damaging the finish.
Step 3: Inspect and Replace Parts
Once the handle is off, you will see the internal mechanism. For compression faucets, you will find a rubber washer at the bottom of the stem. Unscrew the packing nut and pull out the stem. Replace the old washer with a new one of the exact same size. For cartridge or ball-type faucets, remove the old cartridge and insert a new one, ensuring it aligns correctly with the flow channels.
Step 4: Reassemble and Test
Reinsert the stem or cartridge, tighten the packing nut, and replace the handle. Secure the screw and snap the decorative cap back into place. Turn the water supply back on slowly. Open the faucet and check for leaks. If it still drips, you may need to replace the valve seat or consult a professional plumber.
FAQ
Q: What causes a faucet to leak?
A: Most leaks are caused by worn-out washers, O-rings, or cartridges that degrade over time due to constant use and mineral buildup.
Q: Do I need to buy a specific repair kit?
A: Yes, faucets vary by brand and type. Identifying your faucet model ensures you buy the correct replacement parts for a proper fit.
Q: How long does a faucet repair last?
A: A proper repair can last several years. Regular maintenance and using water softeners can extend the life of your faucet components.
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