If the faucet leaks from around the handle just when the water is turned on, the stem packing may be leaking. In some cases, ...

Faucets typically leak because of mineral ... If the faucet still leaks, the seat might have pitting. To fix any pitting, remove the stem and sand the top of the seat with an emery cloth to ...

Despite their name, "washerless" faucets do have some washers in them ... To install the new cartridge, pull out the stem as far as possible, and press the cartridge into the faucet body.