This video from Lowe's Home Improvement provides a concise, 3-minute guide on how to identify and fix leaks in three common types of single-handle faucets: ball, cartridge, and ceramic disc
IN THIS LESSON
Preparation & Diagnosis
Identify the Leak Source: A leaky spout usually indicates damaged internal parts, while a leak at the base suggests worn-out seals 00:07 Opens in a new window .
Safety First: Turn off the water supply valves under the sink (or the main valve if those are stuck) and turn on the faucet to drain any remaining water 00:22 Opens in a new window .
Protect the Workspace: Close the drain and place a towel in the sink to catch small parts 00:28 Opens in a new window .
Pro-Tip: Take photos as you disassemble the faucet to ensure you know the exact order for reassembly 00:43 Opens in a new window .
Repairing Different Faucet Types
Ball Valve: Remove the handle and cap. Replace the seats, springs, and o-rings 01:11 Opens in a new window . Use plumber's grease on the new o-rings 01:32 Opens in a new window .
Cartridge: Remove the handle, trim ring, and retainer clip. Pull out the old cartridge and insert a new one 01:47 Opens in a new window .
Ceramic Disc: Unscrew the retainer nut and pull out the cylinder. It is generally recommended to replace the entire cylinder rather than repairing the discs 02:04 Opens in a new window .
Finishing Touches
Cleaning the Aerator: If it's stuck or dirty, soak it in white vinegar for an hour to remove mineral buildup 00:35 Opens in a new window .
Flush the System: Before putting the aerator back on, turn the water supply back on slowly and let it run for a few minutes to clear out any debris 02:27 Opens in a new window .