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Prepare the new cartridge for installation. If it came with new O-rings, apply a very light coating of plumber's grease to them. This helps them seat without tearing and creates a better long-term seal. Align the new cartridge based on the orientation you noted from the old one (there are often tabs or notches that fit into corresponding slots in the faucet body). Carefully slide the new cartridge down into the faucet body until it is fully and firmly seated.

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

Beginner

30 minutes

2/4 Inventory

This guide provides comprehensive, step-by-step instructions for fixing a common plumbing issue: a dripping two-handle bathroom faucet. The process involves shutting off the water supply, disassembling the dripping handle, identifying and replacing the worn-out internal component (typically a cartridge), cleaning the valve body, and reassembling the faucet for a leak-free result.

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Frequently Asked Questions

What essential tools do I truly need for this faucet repair, beyond the specialized items listed?

You'll primarily need screwdrivers (flathead and Phillips), an adjustable wrench, and possibly slip-joint or tongue-and-groove pliers for stubborn nuts. A bucket and old towels are essential for catching water. The specific brands mentioned are examples, not strict requirements.

How long should a beginner expect this project to take, and what's the average cost for parts?

For a beginner, this project typically takes 1-2 hours, including water shut-off and cleanup. The main cost is the replacement cartridge, which usually ranges from $10-$30 depending on your faucet's brand and model. It's a cost-effective alternative to calling a plumber.

What's the most common reason a two-handle faucet drips, and how can I ensure I buy the correct replacement cartridge?

A worn-out internal cartridge or O-rings are almost always the cause of a dripping faucet. To get the right replacement, identify your faucet's brand and model (often stamped on the faucet body) and take the old cartridge with you to the store for a direct comparison.

What crucial safety precautions should I take before attempting to fix my dripping faucet?

Always shut off the hot and cold water supply valves under the sink before starting to prevent leaks and potential flooding. Place a bucket under the faucet and have plenty of old towels on hand to manage any residual water in the lines.