DIY Faucet Repair Step-by-Step Guide

A dripping faucet isn’t just annoying—it can waste gallons of water and increase your utility bills. 

The good news? You don’t have to call a plumber every time you hear that persistent drip. With the right tools and a little patience, you can repair a faucet yourself and save money.

This comprehensive DIY faucet repair guide walks you through each step, whether you have a leaky bathroom faucet or a kitchen tap that won’t stop running.

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Key Takeaways

• Fixing a faucet yourself is cost-effective and prevents water waste.
• Most leaks are caused by worn washers, O-rings, or cartridges.
• The process typically takes 30–60 minutes.
• Basic tools include a wrench, screwdriver, and replacement parts.
• Turn off the water supply before starting any repair.

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What You’ll Need

Before you begin, gather the following tools and materials:

• Adjustable wrench or basin wrench
• Flathead and Phillips screwdrivers
• Replacement washer, O-ring, or cartridge (depending on faucet type)
• Plumber’s grease
• Clean cloth or rag
• Bucket or bowl (to catch water drips)

Step 1: Identify Your Faucet Type

There are four common faucet styles:

1. Compression Faucet: Has separate hot and cold handles that tighten down to stop water.
2. Ball Faucet: Often found in kitchen sinks with a single handle.
3. Cartridge Faucet: Features a single handle that moves up/down and side-to-side.
4. Ceramic Disk Faucet: Single handle with a wide cylinder inside.

Before buying parts, check the model or take old parts to the hardware store for comparison.

Step 2: Shut Off the Water Supply

Locate the shut-off valves under your sink and turn them clockwise until tight. Open the faucet to release any residual water pressure.

Tip: If you don’t see shut-off valves, turn off your home’s main water supply.

Step 3: Plug the Drain

Use a sink plug or stuff a cloth in the drain to avoid losing screws and small parts.

Step 4: Disassemble the Faucet

Carefully remove the handle:

• Single Handle Faucets: Look for a small set screw behind or under the handle. Loosen it with an Allen wrench or screwdriver.
• Double Handle Faucets: Pry off the decorative cap, then unscrew the handle.

Use a wrench to loosen the packing nut and expose the stem or cartridge.

Step 5: Inspect and Replace Parts

Depending on your faucet type:

• Compression Faucet: Inspect the washer at the base of the stem. Replace it if worn.
• Cartridge or Ceramic Disk: Remove the cartridge or disk and replace it with an identical part.
• Ball Faucet: Check springs and rubber seats under the ball assembly. Replace them as needed.

Apply plumber’s grease to O-rings and moving parts to ensure smooth operation.

Step 6: Reassemble the Faucet

Reinstall the stem or cartridge, tighten the packing nut, and put the handle back in place. Make sure all screws are secure, but avoid over-tightening.

Step 7: Turn On the Water and Test

Remove the drain plug or cloth. Slowly turn the shut-off valves back on.

Turn the faucet handle to check for leaks. If you still see drips, recheck the seating of your washer or cartridge.

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Tips for Preventing Future Leaks

• Avoid overtightening handles.
• Clean faucet aerators regularly to remove debris.
• Inspect O-rings yearly for wear.
• Use plumber’s grease during maintenance.

Conclusion

Repairing a leaky faucet yourself doesn’t have to be intimidating. With this step-by-step DIY faucet repair guide, you can tackle most common problems confidently and save on plumbing costs.

Whether it’s a dripping kitchen tap or a stubborn bathroom leak, the process is straightforward once you identify your faucet type and use the right parts. Next time you hear that telltale drip, you’ll be ready to fix it yourself—and keep your water bill in check.

FAQ

What causes a faucet to leak?

The most common causes are worn-out washers, damaged O-rings, and faulty cartridges.

Can I repair a faucet without turning off the water?

No. Always shut off the water to prevent flooding.

How do I know which replacement part I need?

Identify the faucet brand and model or bring old parts to the hardware store.

What if my faucet keeps leaking after repair?

Double-check that parts are seated correctly and that all seals are intact. If leaks persist, consider replacing the entire faucet.