Use a wrench and turn the nut in the counterclockwise direction.
Outdoor faucet valve stem replacement. There is a nut under the handle. This will make the process easy and not messy. Reinsert the valve stem into the faucet assembly.
Secure the body of the faucet with a wrench. With the assembly in your hand, look at the bottom of the valve stem for the rubber washer and check for scoring or grooves cut into the rubber. The first step in replacing the faucet valve stem is to shut off the water supply.