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Before reinstalling the stem, look down into the empty faucet body to inspect the valve seat, which is the brass rim that the seat washer presses against. Mineral deposits or corrosion on this seat can cause a leak even with a new washer. Use a clean rag wrapped around a screwdriver to wipe the inside of the valve seat clean. If you feel nicks, pits, or roughness, you will need to smooth it. A specialized tool called a valve seat wrench or seat dresser is used for this. Insert the tool and give it a few gentle clockwise turns to lightly grind the seat down to a smooth, flat surface.

You're viewing a step from: How to Stop a Dripping Two-Handle Faucet

Beginner

30 minutes

2/4 Inventory

This guide provides step-by-step instructions for fixing a common drip in a two-handle faucet, which is typically caused by a worn-out rubber washer or O-ring. The process involves turning off the water, disassembling the handle that is causing the drip, replacing the internal seals, and reassembling the faucet.

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Frequently Asked Questions

Do I need the specific brand-name tools listed, or can I use generic alternatives for this faucet repair?

No, specific brands are not strictly necessary. A basic set of screwdrivers (Phillips and flathead), an adjustable wrench, and a pair of pliers are usually sufficient for this project. The listed tools are recommendations for quality and ease of use, but common household tools will often suffice.

What is the absolute most important safety precaution I should take before starting this repair?

The most critical step is to completely shut off the water supply to the faucet before any disassembly. This usually involves turning the shut-off valves under the sink clockwise until tight, then confirming the water is off by turning on the faucet.

As a beginner, how much time should I set aside for this project, and what's the typical cost involved?

For a beginner, expect to spend about 30 to 60 minutes on this repair. The cost is typically very low, usually under $10-$20 for replacement washers, O-rings, and plumber's grease, as the main components are inexpensive.

I replaced the washer and O-ring, but my faucet is still dripping. What could be the problem?

If the drip persists, carefully inspect the valve seat for corrosion, nicks, or debris after removing the stem again. A damaged valve seat often needs to be cleaned or replaced, or the new washer/O-ring might not be seated properly or is the wrong size.