Quick Answer
A leaking kitchen faucet is usually caused by worn-out washers or O-rings. Turn off the water supply, disassemble the handle, replace the faulty parts, and reassemble. If it’s a cartridge issue, you may need a complete cartridge replacement.
Key Takeaways
- Take pictures during disassembly to remember how parts fit
- Buy replacement parts matching your faucet brand/model (check old parts)
- Use penetrating oil (like WD-40) on rusted parts before forcing them out
- Stopping water waste from constant dripping
- Restoring proper water pressure for cooking
What Fix this kitchen faucet means in practice
Kitchen faucets stop working properly over time due to wear and tear on internal seals, washers, or cartridges. A dripping faucet wastes water and increases bills, while a non-working one disrupts cooking and cleaning. Fixing it yourself saves money and avoids unnecessary plumbing calls.
Quick answer
A leaking kitchen faucet is usually caused by worn-out washers or O-rings. Turn off the water supply, disassemble the handle, replace the faulty parts, and reassemble. If it’s a cartridge issue, you may need a complete cartridge replacement.
Troubleshooting & Solutions
Common Problems & Solutions
Why this happens
The rubber washer or O-ring inside the valve seat has deteriorated, allowing water to leak past it.
How to fix it
- 1Turn off water supply under the sink
- 2Remove the handle with a screwdriver
- 3Unscrew the packing nut to access the stem
- 4Replace the worn washer/O-ring
- 5Reassemble and test
Mistakes to avoid
- Using wrong washer size (must match faucet model)
- Forgetting to tighten packing nut too much (can damage threads)
When to seek help: If leaks persist after replacing parts, there may be deeper issues like corroded valves.
Frequently Asked Questions
Measure the old washer's diameter and thickness, or take a photo to show at hardware stores.
Sources & References
- [1]Fix this kitchen faucet — Wikipedia
Wikipedia, 2026