- 1). Turn off the water at the water-supply valve. These are usually under the sink (or in the wall behind the shower assembly - often in a closet behind a removable panel). If there are no localized shutoffs, use the main water shutoff for the building.
- 2). Open the faucet to relieve water pressure in the lines.
- 3). With a wrench, loosen the base of the handle, which usually also serves as the cover for the ball assembly (this houses the springs and seats). The cover screws down onto the faucet. Turn counterclockwise (you may need to use pliers), then lift the ball assembly out of the faucet by the handle.
- 4). Note that the seats and springs consist of two small rubber cups with holes in the bottom and a spring underneath that keeps them in constant contact with the water-supply valves inside the faucet body.
- 5). Take the ball assembly to a hardware or plumbing supply store. (The seats and springs generally sit pretty tightly in the ball, but it's still a good idea to wrap the assembly in a rag to keep from losing parts.)
- 6). Ask a salesperson to help you match the proper replacement springs and rubber seats. It's also a good idea to note the faucet brand and model number; you can find it stamped on the faucet.
- 7). Back at home, remove the seats by popping them loose with a small screwdriver. The springs should come out with them; otherwise, you can remove them the same way. Insert the new spring into the hole and then place the rubber seat over it and press it into place.
- 8). Return the ball assembly to the body of the faucet and tighten the cover. Don't overtighten, as this can cause the seat to wear excessively.
- 9). Turn on the water supply and test the faucet for leaks.
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