How to Replace a Faucet Cartridge (Easy DIY Fix)

In this video, I show how to replace a bathroom faucet cartridge step by step. No talking — clear visual instructions with background music. This DIY plumbing repair fixes common faucet problems such as: • leaking water • stiff or squeaking handle • faucet cartridge not holding water properly I remove the faucet handle, take off the decorative cover, loosen the retaining nut, and replace a 35mm ceramic faucet cartridge. Before installation, the O-rings are lubricated with PTFE (Teflon) grease to ensure smooth operation and long service life. This faucet repair method helps restore proper water control and extend the life of your bathroom faucet without replacing the entire faucet. Tools used: • 2.5 mm hex key • 30 mm wrench • PTFE (Teflon) lubricant Perfect for homeowners who want to fix a leaking or stiff faucet themselves without calling a plumber.