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How to Fix a Leaky Faucet

Expert plumbing advice for Minnesota homeowners.

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By the Minnesota Plumbing Pros Team · Updated 2026

That persistent drip-drip-drip keeping you awake at night isn't just annoying—it's money literally going down the drain. A single leaky faucet can waste hundreds of gallons of water per year and drive up your utility bills without you even realizing it. The good news? Most faucet leaks are straightforward fixes that don't require a plumbing license or expensive tools. With a little patience and the right approach, you can silence that drip and restore your faucet to proper working order in under an hour.

Identify Your Faucet Type

Before you grab your wrench, you need to know what kind of faucet you're dealing with. The repair method varies significantly depending on the internal mechanism. Compression faucets are the older style with separate hot and cold handles that you tighten down to stop water flow—they're the most prone to leaks because they rely on rubber washers that wear out over time. Cartridge faucets, whether single or double-handled, use a movable stem cartridge to control water flow and temperature. Ball faucets feature a single handle over a rounded cap and are common in kitchens. Ceramic disk faucets have a wide cylinder body and use two ceramic disks that slide over each other to mix hot and cold water; they're the most durable and least likely to leak, but repairs differ when they do.

Look for brand markings on the escutcheon plate or handle base—names like Moen, Delta, Kohler, or Pfister—which will help you source the correct replacement parts. Take a quick photo of your faucet before disassembling anything; you'll thank yourself when it's time to put it back together.

Gather Your Tools and Parts

Nothing derails a quick repair like having to run to the hardware store mid-project. For most faucet repairs, you'll need an adjustable wrench, flathead and Phillips screwdrivers, plumber's grease, penetrating oil, a cloth or old towel, and a small bowl or baggie to keep track of parts. Replacement parts depend on your diagnosis: washers and O-rings for compression faucets, a new cartridge for cartridge-style fixtures, a replacement ball and seals for ball faucets, or new ceramic disks for disk models.

Always shut off the water supply before starting. Look for oval or round shutoff valves beneath the sink and turn them clockwise until firm. If your sink lacks individual shutoffs, you'll need to turn off your home's main water valve. Open the faucet to release any remaining water and pressure in the lines. Lay your towel in the sink basin to catch dropped parts and prevent scratches.

Step-by-Step Repair Process

Start by removing the decorative cap on the handle, often marked with hot or cold indicators, to access the handle screw. Pry it off gently with a flathead screwdriver. Remove the handle screw and pull the handle straight up; if it's stuck, apply penetrating oil and wait ten minutes rather than forcing it. For compression faucets, you'll now see the stem assembly—remove the packing nut with your adjustable wrench, then unscrew the stem itself. At the bottom of the stem, you'll find the rubber washer held in place by a brass screw. This washer is almost certainly your culprit. Replace it with an exact match in size and thickness, coat the new washer lightly with plumber's grease, and reassemble in reverse order.

For cartridge faucets, remove the retaining clip or nut holding the cartridge in place, then pull the cartridge straight out using pliers or a specialized cartridge puller if it's stubborn. Take the old cartridge to the hardware store to ensure an identical replacement—cartridges are not interchangeable between brands. Apply plumber's grease to the new cartridge's O-rings before inserting it.

Ball faucet repairs involve removing the handle, then the cap and collar to access the ball mechanism. You'll need to replace the rubber seats and springs located in the faucet body beneath the ball—these small parts often cause leaks when they harden or crack. Ceramic disk faucets require removing the handle and escutcheon cap, then unscrewing the disk cylinder. Clean the disks with white vinegar if mineral buildup is present, or replace the entire cylinder if the disks are cracked or scored.

Reassemble carefully, tightening nuts snugly but not excessively—over-tightening cracks ceramic disks and deforms rubber seals. Turn your water supply back on slowly, checking for leaks at the supply connections first, then test your repair by running both hot and cold water through all handle positions.

Practical Tips

Work during daylight hours or with a bright work light; small parts and threads are difficult to see under a dim sink. Keep your phone handy to photograph each disassembly step—these images become your custom reassembly guide. When buying replacement parts, bring the old component with you rather than trusting memory or measurements; even slight size differences cause continued leaks. Avoid using pliers on chrome or polished finishes; they leave permanent marks. Wrap jaws with electrical tape if you must grip finished surfaces.

If you encounter corroded brass screws that refuse to turn, apply penetrating oil and wait—impatience breaks screw heads and turns simple repairs into drilling and tapping operations. Never ignore leaks that return within weeks; recurring problems often indicate excessive water pressure, which stresses all faucet types and requires a pressure-reducing valve installation. Listen for squealing or chattering when water runs, as these sounds frequently precede leaks and signal internal wear worth addressing proactively.

When to Call a Professional

Some situations exceed the scope of DIY repair. If your faucet body itself is cracked or corroded, replacement—not repair—is necessary. Multiple failed attempts to stop a leak suggest an underlying issue like damaged valve seats, improper installation, or degraded supply lines. Leaks beneath the sink rather than from the spout indicate supply line or drain problems requiring different expertise. Homes with aging galvanized steel plumbing often present complications where fixture threads have deteriorated.

Professional plumbers also handle situations where shutoff valves themselves are seized or leaking, where access is limited by cabinetry or structural elements, or where you're simply uncomfortable proceeding. There's no shame in recognizing when experience and specialized tools will save money and prevent water damage in the long run. For reliable, experienced help with stubborn leaks or any plumbing concern, call (888) 217-3928 to connect with professionals who can diagnose and resolve the problem efficiently.

Final Thoughts

Fixing a leaky faucet ranks among the most satisfying home maintenance tasks—it's approachable for beginners, requires minimal investment, and delivers immediate, tangible results. The key lies in proper identification, patient disassembly, and meticulous reassembly with quality replacement parts. Most homeowners can handle this repair successfully on their first attempt by following the steps outlined here. Remember that addressing leaks promptly prevents wasted water, protects your fixtures from further damage, and keeps your home running smoothly. Whether you tackle the repair yourself or decide professional assistance makes more sense for your situation, understanding how your faucet works empowers you to make informed decisions about your home's plumbing.

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