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Plumbing guide

Fix a leaking bathroom sink pop-up drain

Fix a leaking bathroom sink pop-up drain is a common plumbing project that can save a service call when the scope is simple and the safety risks are understood. This guide pairs video walkthroughs with a written checklist so homeowners can preview the job, gather tools, and decide when to bring in a licensed professional.

Beginner 20-75 min adjustable wrench, bucket, plumber tape, towels

Step-by-step written guide

  1. Shut off the water or power source connected to the fixture and protect the cabinet or floor with towels.
  2. Inspect the visible parts first so you can identify the failed seal, clog, valve, cartridge, hose, or mounting point.
  3. Disassemble slowly and place small parts in order; photos help when reassembling washers, clips, and fittings.
  4. Install the replacement part or clear the blockage, tightening only enough to seal without cracking plastic or porcelain.
  5. Turn service back on gradually, test under normal use, and watch for leaks for several minutes before closing up.
Safety note

Stop and call a licensed professional when the work involves gas, service-panel wiring, structural changes, active leaks inside walls, mold, asbestos, or anything outside your comfort level.

Videos for this repair

Two Easy Ways To Unclog A Kitchen Sink Drain - Ultra Plumbing & Drain Cleaning thumbnail

Two Easy Ways To Unclog A Kitchen Sink Drain - Ultra Plumbing & Drain Cleaning

Ultra Plumbing & Drain Cleaning - Watch on handiman.io

 How To Fix A Dripping Bathroom Faucet For Free (Moen) thumbnail

How To Fix A Dripping Bathroom Faucet For Free (Moen)

Kris The Specialist - Watch on handiman.io

 DIY: How to Replace and Install a Bathroom Sink Faucet thumbnail

DIY: How to Replace and Install a Bathroom Sink Faucet

ChrisFix - Watch on handiman.io