Locate the water shutoff valve for the bathroom sink.
Tools needed to change sink faucet.
Some faucets include a handy little tool to unscrew the aerator.
Flush the faucet by removing the aerator.
It should be under the sink inside the vanity.
A one hole faucet can be installed in a 3 or 4 hole sink by adding a deck plate but not vice versa.
You can buy plugs for unused holes but they usually don t match the sink.
Most sinks have three holes for the faucet and a fourth for an accessory such as a sprayer or a soap dispenser.
Wipe away excess silicone.
Use a pair of snips or scissors to cut the old plastic sprayer line from the faucet.
This determines the type of faucet that will work with your sink.
Remove the old faucet supply lines image 1 which will expose the holes in the sink.
Use a basin wrench or a sink installer tool being careful to not over tighten the nuts.
Use a basin wrench to loosen up both the hot and cold water supply lines image 2.
When you re done keep it inside your vanity or with the rest of your tools.
A basin wrench is a standard plumbing tool that is indispensable for removing and installing most faucets.
Slide the open end of the faucet wrench over the supply tube and push it up to the faucet nuts.
Have a bucket handy to catch the water.
Turn off the water.
Shut off the water.
From beneath the sink tighten the mounting nuts to keep the faucet in place.
Apply clear silicone to the underside of the drain collar.
But some faucets require only one or two holes and you may not want enough accessories to use the rest.
It works quickly and easily and you avoid backaches.
Check all the connections for leaks and retighten if.
Follow the manufacturer s directions to mount the new faucet then remount the sink with the new faucet and hook up the water lines as we show in this how to replace a kitchen faucet project.
Depending on your plumbing you may have a single water valve for the entire faucet or you may have two separate valves for the hot and cold water.
Match faucet to sink openings.
Screw it into place on the drain rim.
Wipe away any excess putty from around the faucet base.
Tip with most faucets only three of the four holes are covered so you ll either need to get a blank insert or use the extra hole for a liquid soap.
Turn the valve to the right clockwise to close the valve and shut off the water to the faucet.
If you re replacing the faucet in your existing sink look underneath the sink to see how many holes it has usually between 1 and 4.
Buy this cool tool a special faucet nut wrench to simplify faucet removal under those hard to reach sinks.
Unscrew the lines from the faucet.
The wrench allows you to reach into the cramped area behind the sink to loosen or tighten the nuts that hold the faucet to the sink and the nuts that connect the supply lines.
Then turn the ratchet and it will self.
Turn on the hot and cold water for about a minute.
