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Remove Cartridge Retaining Nut and Cartridge — Remove the Faucet Cartridge

Beginner

Part of project

How to Stop a Dripping Two-Handle Bathroom Faucet · Step 4 of 8

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In this video

Use an adjustable wrench to grip the flat sides of the large brass nut that holds the cartridge in place. Turn the wrench counter-clockwise to loosen and remove the nut. Once the nut is off, you can pull the plastic cartridge straight up and out of the faucet body.

Goal: Remove the faucet cartridge

  • If the nut is stuck, you can apply a penetrating oil and wait a few minutes before trying again. Be gentle to avoid damaging the faucet body.

Used in this video

  • Adjustable Wrench (brand: Super Adjustable 8 in., Adjustable_Wrench_Size: 8_inch, Material: Steel)Unscrewing the cartridge retaining nut.
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This Old House

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FAQs

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.

Remove Cartridge Retaining Nut and Cartridge — How to Stop a Dripping Two-Handle Bathroom Faucet (Step 4, Video 3) | Stesso