How To Replace Moen Single Handle Bathroom Faucet Cartridge

How to Replace a Moen Single-Handle Bathroom Faucet Cartridge

Replacing a Moen single-handle bathroom faucet cartridge is a straightforward task that can be completed in a matter of minutes. With a few basic tools and a little bit of know-how, you can have your faucet up and running again in no time.

Tools and Materials You'll Need:

Phillips head screwdriver
Adjustable wrench
New Moen single-handle bathroom faucet cartridge
Plumbers tape

Step-by-Step Instructions:

Turn off the water supply. Locate the water supply valves beneath the sink and turn them clockwise to the off position.
Remove the handle. Use a Phillips head screwdriver to remove the screw that secures the handle in place. Pull the handle straight up to remove it.
Remove the bonnet nut. Use an adjustable wrench to loosen the bonnet nut, which is located beneath the handle. Be careful not to overtighten the wrench.
Pull out the old cartridge. Once the bonnet nut is loosened, you should be able to pull the old cartridge straight out of the faucet body.
Inspect the O-rings. The old cartridge will have two O-rings, one on each end. Inspect the O-rings for any signs of wear or damage. If the O-rings are damaged, they should be replaced.
Install the new cartridge. Apply a thin layer of plumbers tape to the threads of the new cartridge. Insert the new cartridge into the faucet body and tighten it by hand.
Reinstall the bonnet nut. Use the adjustable wrench to tighten the bonnet nut. Be careful not to overtighten the wrench.
Reinstall the handle. Slide the handle back onto the stem and secure it with the screw.
Turn on the water supply. Open the water supply valves beneath the sink and check for any leaks.

Troubleshooting Tips:

If you have trouble removing the old cartridge, you can try using a pair of pliers to gently pry it out.
If you accidentally overtighten the bonnet nut, you may need to use a pair of pliers to loosen it.
If you have any leaks after replacing the cartridge, try tightening the bonnet nut further.

Replacing a Moen single-handle bathroom faucet cartridge is a quick and easy way to fix a leaking faucet. By following these simple steps, you can have your faucet up and running again in no time.