Fixing a Leaky Faucet: A Step-by-Step Guide
Fixing a Leaky Faucet: A Step-by-Step Guide
Why This Matters
- A leaky faucet can waste hundreds of gallons of water per year, raising utility bills.
- It’s usually a simple DIY fix that requires only basic tools.
- Tackling it yourself builds confidence for bigger home repairs.
Tools & Materials Needed
- Adjustable wrench or basin wrench
- Screwdriver (Phillips or flathead depending on faucet)
- Replacement washers or cartridge (depending on faucet type)
- Plumber’s tape
- Small towel or bucket (to catch drips)
Step-by-Step Instructions
- Turn Off the Water Supply
- Locate the shut-off valves under the sink.
- Turn clockwise to stop water flow.
- Plug the Drain
- Use a sink plug or rag to prevent small parts from falling in.
- Disassemble the Faucet Handle
- Remove decorative caps if present.
- Unscrew the handle and lift it off.
- Inspect the Cartridge or Washer
- Compression faucets: check the rubber washer at the end of the stem.
- Cartridge faucets: inspect the cartridge for cracks or wear.
- Replace the Faulty Part
- Swap out the washer or cartridge with a new one.
- Wrap threads with plumber’s tape before reassembly.
- Reassemble the Faucet
- Tighten screws and handle back in place.
- Ensure everything is snug but not overtightened.
- Turn Water Back On & Test
- Slowly reopen the shut-off valves.
- Run water and check for leaks.
Common Mistakes to Avoid
- Forgetting to shut off water before starting.
- Mixing up washer sizes—always bring the old one to the hardware store.
- Overtightening screws, which can crack parts.
When to Call a Pro
- If the faucet still leaks after replacing washers/cartridge.
- If you notice corrosion or damage to the valve seat.
- If water pressure issues persist beyond the faucet.
Print-Friendly Checklist
- Shut off water supply
- Plug drain
- Remove faucet handle
- Inspect washer/cartridge
- Replace faulty part
- Reassemble faucet
- Test for leaks
