- Turn the main water supply valve in a counterclockwise direction to turn off the water to the faucet, found under the sink or in the basement.
- Turn on the faulty shower or faucet to allow the water to drain from the water supply pipes.
- Remove the ornamental faucet handle by lifting it off gently with a screwdriver. Many ornamental coverings are made of plastic and do crack or break if you are not careful.
- Remove the exposed screw with a screwdriver and lift off the faucet handles on each side.
- Locate the nut at the top of the stem and use an adjustable wrench to loosen and remove it from each faucet handle.
- Lift the stem out of the faucet to see the mixing valve located directly under the stem.
- Take the retainer clip off the mixing valve with a needle-nose pliers by lifting the retainer clip straight up. Find the retainer clip on top of the mixing valve.
- Inspect the washers, rings and metal parts for cracks, chips, breaks and signs of wear. Remove damaged parts and replace them. Match parts for replacement at plumbing supply stores or order from the manufacturer.
- Wipe the mixing valve with a rag to remove dirt, grime and debris.
- Apply a light coat of petroleum jelly on all sides of the rings to lubricate them and allow smooth movement.
- Place the mixing valve back into the faucet, reattach the retainer clip, put the faucet stem back in place, tighten the nut, press the handle back in place and turn on the main water supply.
Things You Will Need
- Adjustable wrench
- Needle-nose pliers
- Petroleum jelly
- Close the drain stopper to avoid losing small parts in the drain.