Single Lever Bathroom Faucet Repair

Single lever bathroom faucets are a popular choice for their convenience and stylish design. However, like any other plumbing fixture, they can develop problems over time. If your single lever bathroom faucet is leaking, dripping, or not functioning correctly, don't panic. With a few simple tools and a bit of know-how, you can repair it yourself.

Tools and Materials You'll Need

Adjustable wrench
Allen wrench
Phillips head screwdriver
Flat head screwdriver
Replacement cartridge (if necessary)
Plumber's putty
Rags

Step-by-Step Repair Instructions

1. Shut off the water supply: Before you begin any repairs, it's crucial to shut off the water supply to the faucet. Locate the shut-off valves under the sink or behind the faucet and turn them clockwise to close them.

2. Remove the handle: Most single lever bathroom faucets have a small set screw that holds the handle in place. Use an Allen wrench to loosen the set screw and remove the handle.

3. Remove the cartridge: Once the handle is removed, you'll see the cartridge. It's usually held in place by a retaining nut. Use an adjustable wrench to loosen the retaining nut and remove the cartridge.

4. Inspect the cartridge: Carefully examine the cartridge for any signs of damage or wear. If the cartridge is cracked, chipped, or has any other damage, it will need to be replaced.

5. Install the new cartridge: If the cartridge needs to be replaced, insert the new cartridge into the faucet body. Hand-tighten the retaining nut, then use an adjustable wrench to fully tighten it.

6. Reinstall the handle: Align the handle with the cartridge and slide it back onto the faucet body. Tighten the set screw using an Allen wrench.

7. Turn on the water supply: Slowly turn on the shut-off valves under the sink or behind the faucet to restore the water supply. Check for any leaks and tighten any loose connections as needed.

Additional Tips

If the faucet is leaking from the base, it's likely due to a worn O-ring. Replace the O-ring by removing the handle, unscrewing the faucet base, and replacing the old O-ring with a new one.
If the faucet is dripping from the spout, it could be caused by a mineral buildup on the aerator. Remove the aerator and clean it with a vinegar solution.
If the faucet is not functioning properly, such as not mixing hot and cold water correctly, the problem may lie within the cartridge. Replace the cartridge with a new one as described in the step-by-step instructions.

Conclusion

Repairing a single lever bathroom faucet can be a straightforward process with the right tools and know-how. By following the step-by-step instructions and additional tips provided in this article, you can restore your faucet to its optimal condition and save yourself the cost of calling a plumber.