Water Leaking Under Your Sink? Step-by-Step Fix Guide

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Water leak under sink

Water Leaking Under Your Sink? Step-by-Step Fix Guide

Identify the source and fix it safely to prevent water damage and costly repairs

Discovering water pooling under your sink can be alarming. This step-by-step guide helps you identify the source and fix it safely, preventing further damage and costly repairs.

Common Causes of Sink Leaks

Leaks often come from:

  • 1Loose or cracked P-trap
  • 2Worn-out washers or seals
  • 3Corroded or damaged pipes
  • 4Loose faucet connections
Water leak under sink
Water pooling under sink requires immediate attention

Step 1: Turn Off Water Supply

1

Always turn off the cold and hot water valves under the sink before attempting any repair.

Step 2: Inspect the P-Trap

2

Place a bucket underneath, loosen the P-trap, and check for debris, cracks, or corrosion. Replace or tighten as needed.

Inspecting P-trap under sink
Inspecting the P-trap for leaks and damage

Step 3: Check Sink Drain Seals

3

Remove the drain flange if needed and inspect the rubber gaskets. Replace any worn-out seals to prevent leaks.

Step 4: Inspect Faucet Connections

4

Check hoses and supply lines connecting to the faucet. Tighten or replace if dripping.

Step 5: Test for Leaks

5

Turn the water back on slowly and observe for leaks. Check P-trap, seals, and connections carefully.

Testing for leaks under sink
Testing for leaks after making repairs

When to Call a Plumber

Professional help needed if you encounter:

  • !Persistent leaks after all adjustments
  • !Cracked pipes that need professional replacement
  • !Leaks in hard-to-reach areas or behind cabinets

By following these steps, you can solve common sink leaks and prevent water damage. Save money and keep your plumbing in top condition!