Use a Philips screwdriver to remove it. Feed it onto the mounting stud and use the preloaded wrench that was included in the packaging and screw the nut onto the mounting stud. "Thank you so much! Step 2: Use one layer of Teflon tape around the outer threads. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Try our PRODUCT IDENTIFIER Get Support PRODUCT RESOURCES Register My Product How-To Videos Product FAQs Get Warranty Information Open the faucet to drain the water already in the hoses. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Turn the faucet on at full mix position (straight up in most cases) to ensure you are pulling from both lines. 2 A hex wrench or Allen wrench is typically used to remove the handle from a Delta bathroom faucet. Plumbers tape (if you are replacing the drain), Silicone (if you are working with an uneven sink surface). If the cartridge had a retainer clip, install it. You might want to snap a photo of the cartridge before and right after you pull it out to give yourself a visual record of its correct orientation when installed. I also want to encourage you to check out my video titled "How to replace Delta style stems and seats-cartridge style faucet repair" which is Delta's version of a two handle faucet. In most of the repairs I have performed, the springs and seats are usually the culprits in a leaking Delta bathroom faucet. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c9\/Repair-a-Delta-Brand-Kitchen-Faucet-Step-1.jpg\/v4-460px-Repair-a-Delta-Brand-Kitchen-Faucet-Step-1.jpg","bigUrl":"\/images\/thumb\/c\/c9\/Repair-a-Delta-Brand-Kitchen-Faucet-Step-1.jpg\/aid179185-v4-728px-Repair-a-Delta-Brand-Kitchen-Faucet-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"