Unscrew that same nut under the handle and pull out the stem if it’s a long frost-free one. In the end you will likely have a bad washer. If so, replace it with the same size washer.

Install Frost-Free Sill Cocks. Unlike a typical faucet, the working parts of a frost-free sill cock— valve, seat and washer—are located up to 18 in. inside the wall instead of right at the faucet.

Q. I have an outdoor faucet that I use a lot to water plants and wash my cars. It leaks badly. I want to replace it with a freeze-proof faucet so I can use it year-round without worrying. Are ...