How to Replace Cartridge in Moen Bathroom Faucet

How to Replace Cartridge in Moen Bathroom Faucet

A leaking bathroom faucet can be a nuisance, wasting water and increasing your water bill. If you have a Moen bathroom faucet, the most common cause of leaks is a faulty cartridge. Thankfully, replacing the cartridge is a straightforward process that can be done without the help of a professional plumber. In this article, we will guide you through the steps to replace the cartridge in your Moen bathroom faucet.

Step 1: Gather the necessary tools and materials
Before starting the replacement process, gather the tools and materials you will need. You will require an adjustable wrench, a screwdriver, a replacement Moen cartridge, and plumber’s grease.

Step 2: Turn off the water supply
To avoid any water damage, turn off the water supply to your bathroom faucet. Look for the shut-off valves located under the sink and turn them clockwise until they are fully closed.

Step 3: Remove the handle and trim
Locate the screw on the handle and remove it using a screwdriver. Once the screw is removed, gently pull the handle off. Next, remove the trim by unscrewing it counterclockwise.

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Step 4: Remove the cartridge
Using an adjustable wrench, unscrew the retaining nut that holds the cartridge in place. Once the nut is removed, you can easily pull out the cartridge from the faucet body.

Step 5: Install the new cartridge
Apply some plumber’s grease to the O-rings of the new cartridge to ensure a smooth installation. Insert the new cartridge into the faucet body and secure it in place by tightening the retaining nut with an adjustable wrench.

Step 6: Reassemble the faucet
Reattach the trim by screwing it back onto the faucet body in a clockwise direction. Place the handle back on the cartridge and secure it with the screw.

Step 7: Turn on the water supply
Once the cartridge is replaced and everything is reassembled, it’s time to turn the water supply back on. Slowly open the shut-off valves under the sink and check for any leaks.

7 FAQs about replacing cartridges in Moen bathroom faucets:

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1. How often should I replace the cartridge in my Moen bathroom faucet?
It depends on the usage and water quality, but on average, you may need to replace the cartridge every 2-5 years.

2. Can I use any replacement cartridge for my Moen faucet?
It is recommended to use genuine Moen replacement cartridges to ensure proper fit and function.

3. Why is the cartridge difficult to remove?
Over time, mineral deposits can build up, causing the cartridge to stick. Applying heat with a hairdryer or using a cartridge removal tool can help loosen it.

4. How do I know if my Moen faucet cartridge needs to be replaced?
If your faucet is leaking or has reduced water flow, it is likely that the cartridge needs to be replaced.

5. Can I replace the cartridge without turning off the water supply?
It is highly recommended to turn off the water supply to avoid any potential water damage during the replacement process.

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6. What should I do if I encounter a stripped screw while removing the handle?
You can try using a rubber band or a screw extractor tool to grip and remove the stripped screw.

7. Is it necessary to apply plumber’s grease to the new cartridge?
Yes, applying plumber’s grease to the O-rings of the new cartridge ensures proper lubrication and helps prevent leaks.

By following these steps and addressing the frequently asked questions, you can easily replace the cartridge in your Moen bathroom faucet. Remember to always consult the manufacturer’s instructions for your specific faucet model and seek professional help if needed.

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