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How to Fix a Leaky Faucet?

Estimated Time

45 Minutes

Estimated Cost

$100

A dripping faucet can waste water and increase your utility bill. Fixing it is often straightforward and can save you money. Most leaks are caused by worn-out washers, O-rings, or seals.

Tools & Materials Needed

Adjustable wrench
Screwdrivers
Replacement washers, O-rings, or cartridge
Plumber’s grease
Cloth or rag

Steps

Step 1: Turn Off the Water Supply

  • Locate the shut-off valves under the sink.

  • Turn them clockwise to close the water supply.

  • Open the faucet to release any remaining water in the pipes.

Step 2: Plug the Drain

  • Use a sink plug or cloth to block the drain.

  • This prevents small parts from falling down the drain while you work.

Step 3: Identify Your Faucet Type

There are four common faucet types:

  • Compression (old-style, separate hot and cold handles)

  • Ball-type

  • Cartridge

  • Ceramic-disk

Knowing your faucet type helps you identify which parts need replacement.

Step 4: Disassemble the Faucet

  • Remove the handle(s) using a screwdriver or Allen wrench.

  • Carefully remove the decorative cap (if present).

  • Take off the packing nut or retaining clip.

  • Remove the stem, cartridge, or ball assembly, depending on your faucet type.

Tip: Take a photo during disassembly to remember the order of parts.

Step 5: Inspect and Replace Worn Parts

  • Washers: Check for cracks or flattening. Replace if damaged.

  • O-rings: Examine for wear and replace if necessary.

  • Cartridge or stem: Inspect for corrosion or damage; replace if needed.

Pro Tip: Take old parts to a hardware store to ensure you get exact replacements.

Step 6: Reassemble the Faucet

  • Apply plumber’s grease to new O-rings and washers.

  • Reinsert the stem, cartridge, or ball assembly.

  • Secure packing nuts or retaining clips.

  • Reattach handles and decorative caps.

Step 7: Turn Water Back On

  • Remove the drain plug.

  • Slowly turn the shut-off valves counterclockwise to restore water flow.

  • Check the faucet for leaks.

Step 8: Test the Faucet

  • Turn the faucet on and off several times.

  • Make sure there’s no dripping and that the handles move smoothly.