TL;DR: Fixing a leaky kitchen faucet involves shutting off the water supply, disassembling the handle to access the internal cartridges or washers, and replacing the worn-out components. Once new parts are installed, reassemble the faucet and test for leaks to ensure a watertight seal.
Gathering Your Tools
Before you begin, ensure you have the necessary tools: adjustable wrenches, screwdrivers, pliers, and replacement parts specific to your faucet model. Identifying your faucet type—compression, ball, cartridge, or ceramic disk—is crucial for buying the correct repair kit. Check under the sink to locate the shut-off valves and clear any clutter to create a safe working environment.
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Step 1: Shut Off the Water
Locate the hot and cold water shut-off valves under the sink. Turn them clockwise until they are fully tight. If no under-sink valves exist, you must shut off the main water supply to your home. Open the faucet handle to drain any remaining water from the lines, relieving pressure and preventing spills during disassembly.
Step 2: Disassemble the Faucet
Plug the drain to prevent small parts from falling into the pipes. Remove the decorative cap on the handle using a flathead screwdriver. Unscrew the handle screw and lift the handle off. Depending on the model, you may need to remove a retaining nut or clip to access the stem, cartridge, or ball mechanism. Use pliers gently to avoid scratching the finish.
Step 3: Replace Worn Parts
Inspect the internal components for cracks, mineral buildup, or wear. Clean the housing with vinegar to remove debris. Install the new washer, O-ring, or cartridge according to the manufacturer’s instructions. Ensure all parts are seated correctly and aligned properly. For cartridge faucets, note the orientation before removal to match it during installation.
Step 4: Reassemble and Test
Reverse the disassembly steps to put the faucet back together. Tighten all nuts securely but avoid over-tightening, which can damage seals. Turn the water supply back on slowly. Open the faucet and check for leaks around the base and handle. If it drips, tighten connections slightly or reseat the cartridge. Clean up any residual water.
FAQ
Q: What causes a kitchen faucet to leak?
A: Leaks are typically caused by worn-out washers, O-rings, or cartridges due to normal wear and tear, mineral buildup, or loose connections.
Q: Do I need to call a plumber?
A: Most simple leaks can be fixed DIY with basic tools. However, if the leak persists after part replacement or involves complex pipe issues, consult a professional.
Q: How long does the repair take?
A: A standard repair usually takes between thirty minutes to an hour, depending on the faucet type and your familiarity with the process.

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