[header] How to repair a washerless faucet [title] Shut off the water. [step] Look under your sink for a water shutoff valve. Turn it to the closed position, and test the faucet to make sure the water is not flowing. 
[substeps] If you are repairing a bath faucet, shut off the house water supply at the main valve. You may also need to remove the spout or handles to reveal the faucet mechanism ,.