To fix a leaky bathroom sink faucet with double handles, you can follow these general steps:
Gather necessary tools: You'll typically need a set of screwdrivers, an adjustable wrench, pliers, and replacement parts for the faucet (such as washers or O-rings).
Shut off the water supply: Locate the shut-off valves under the sink and turn them clockwise to shut off the water supply. If you don't have individual shut-off valves for the sink, you may need to turn off the main water supply to your house temporarily.
Remove the handles: Use a screwdriver to remove the screws or decorative caps on the handles. Once the screws are exposed, unscrew them and carefully remove the handles.
Inspect and replace faulty parts: Inside the handle assembly, you'll find the cartridge or stem assembly. Inspect the components for any damage, such as worn-out washers or O-rings. Replace any damaged parts with new ones specifically designed for your faucet model.
Clean and lubricate: While the handles are removed, clean the inside of the faucet assembly and remove any debris or buildup. Apply a thin layer of silicone-based faucet grease to the cartridge or stem assembly to ensure smooth operation.
Reassemble the faucet: Place the new or repaired parts back into the faucet assembly. Follow the reverse order of removal to reattach the handles, making sure they're securely fastened.
Turn on the water supply: Slowly turn on the shut-off valves or the main water supply, and check for any leaks. If you notice any leaks, tighten the connections or consider replacing any damaged parts that may be causing the issue.
It's important to note that specific faucet models may have slight variations in their repair process. Consult the manufacturer's instructions or look for model-specific tutorials if available. If you're uncomfortable with plumbing repairs or the issue persists, it's advisable to seek the assistance of a professional plumber.