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Now you will replace the parts causing the leak using your faucet repair kit. First, focus on the end of the stem that was deep inside the wall. You will see a brass screw holding a black rubber washer in place. Use a screwdriver to remove this screw and pry off the old, likely compressed or cracked, washer with a small flathead screwdriver or a utility knife. Install the new washer from your kit, ensuring it's seated flat, and reinstall the brass screw, tightening it until it is snug. Next, examine the other end of the stem, near where the handle attaches. You will find one or more O-rings or a packing washer. Use a small screwdriver or pick to carefully remove these old seals. Clean the grooves on the stem with a rag. Lightly coat the new O-rings from your repair kit with plumber's grease to help them seal and prevent tearing during installation. Roll the new O-rings into place. If your faucet uses a packing washer instead of O-rings, simply replace it with the new one from the kit.

You're viewing a step from: How to Fix a Dripping Frost-Free Outdoor Faucet

Beginner

30 minutes

2/4 Inventory

This guide provides verbose, step-by-step instructions to repair a common drip from a frost-free outdoor faucet, also known as a sillcock or hose bibb. The process involves shutting off the water supply, disassembling the faucet's handle and stem, replacing the worn rubber washers and seals located on the long stem assembly, and then carefully reassembling the unit to restore it to a leak-free condition.

Based on content fromDIY University· 138K subscribers

Frequently Asked Questions

What's the most common reason my frost-free outdoor faucet is dripping, and how does this repair fix it?

Most drips from frost-free outdoor faucets are caused by worn-out rubber washers or seals located on the long stem assembly inside. This project guides you through replacing these degraded components, which restores the watertight seal and stops the drip. You'll typically find these parts in a faucet repair kit.

I'm new to plumbing; how difficult is this project, and how long should I expect it to take?

This repair is rated as beginner-friendly, primarily requiring careful disassembly and reassembly. For most first-timers, it typically takes 1-2 hours to complete, assuming parts aren't excessively corroded. Patience and careful attention to the steps are more important than prior experience.

What are the most crucial tools or materials I should ensure I have before starting, especially if parts are stuck?

Beyond a screwdriver and adjustable wrench, ensure you have penetrating oil (like KROIL) on hand to loosen stubborn nuts or screws. A specific faucet repair kit for your faucet model is essential, as is plumber's grease or silicone grease (e.g., Super Lube) to lubricate new seals and threads during reassembly.

What is the most critical safety precaution I need to take before starting this repair?

The absolute most critical step is to shut off the main water supply to your house or the specific outdoor faucet line before you begin any disassembly. After shutting off the water, open the faucet to drain any remaining water pressure and prevent unexpected leaks or flooding during the repair process.