How To Remove & Replace a Bathroom Faucet

When it comes to removing and replacing the bathroom faucet, you really don’t need the services of a professional plumber. Plumbers will charge an arm and a leg for work that you can actually do yourself. All you need is the proper tools and enough technical know-how to do the job.

  • Gather your tools and materials. You need a new faucet, wrenches, pliers, flashlight, plumber’s putty, Teflon tape, cleaning rags, bucket, and lubricating oil.
  • Stop the flow of water. Find the shutoff valves. If you have both hot and cold water flowing, make sure you turn off both valves. Open the faucets to see if the water has stopped flowing.
  • Take out the supply lines. Using a basin wrench or a pair of pliers, remove the supply lines that go to the old faucet. In case the nut or bolt won’t budge, use some lubricating oil to loosen the stuck parts. Your bucket should be positioned under the drain so excess water can be caught by bucket. Take out the supply lines that connect to the shutoff valves. In case you plan to use the same supply lines, you should attach these to the new faucet before proceeding to the next step.
  • Remove all the fasteners between the faucet and counter top. In case the fasteners are stuck, use some lubricating oil. Take out the pop-up lever then remove the old faucet. Clean the counter tops. Remove any plumber’s putty or gasket at the top and bottom.
  • Detach the drain assembly. This is an optional step done only if you are replacing the p-trap assembly. Use a hacksaw to cut the assembly off. Unscrew the nut found under the drain before removing the assembly from above the sink. The drain assembly should be loosened from the trap underneath so it can be removed.
  • Clean the sink. Before proceeding, wipe the whole sink area clean. Don’t forget to clean the plumbing connections.
  • Attach the new faucet. If the supply hoses are not yet attached to the new faucet, do this first. Next, put some plumbers putty at the base of the faucet. If you faucet came with a gasket, you should use this instead. Insert the faucet into the hole in the counter top. Underneath the sink, fasten the faucet with a wrench or pliers. In case your new faucet has a split assembly, you have to attach the valves first to the spout.
  • Connect the drain assembly. Place some plumbers putty under the lip. Slip this inside the trap assembly. Tighten it well. To test for leaks, pour water into the sink. If there is a leak, you may have to add more plumber’s putty. Once you have a tight seal, take out any extra plumber’s putty from the sink.
  • Put in the pop-up assembly. The pop-up assembly should be dropped into the sink first before attaching the lever to it. After securing the pop-up, attach the lever that is connected to the faucet to the lever by the drain.
  • Replace the supply lines. Attach these to both the hot and the cold valves. Make sure you use enough Teflon tape. Tighten with pliers or a wrench.
  • Check the faucets. Open the water lines one by one to check for leaks. Make sure the hot and cold water comes out of the correct faucets. Make adjustments as you see fit.

Removing and replacing a bathroom faucet can be done in less than 2 hours. Before starting this project, make sure your supplies are complete. Take time to study the faucet assembly so you know exactly what to do.


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