How To

How to Replace a Washer to Fix a Leaky Sillcock

By eHow Home & Garden Editor
Rate: (4 Ratings)

Most outdoor faucets use a long-stem compression design known as a freezeless sillcock. While the design prevents water from freezing in the faucet during the winter, it doesn't prevent leaks. That can add up to a huge water bill in summer, or a situation in winter where leaks form ice and expand, breaking brittle plastic faucets. Here's how to replace the washer, the most common reason for leaks.

From Quick Guide: Outdoor Faucet Troubleshooting
Difficulty: Moderately Easy
Instructions

Things You'll Need:

  • Phillips screwdriver
  • Washer
  • Adjustable wrench
  1. Step 1

    Remove the faucet's handle and collar so that you can examine the washer. See "How to Disassemble a Sillcock to Fix a Leak" under related eHows.

  2. Step 2

    Look inside the collar for the washer. Sometimes the washer can be a little tricky to remove; if so, put the Phillips screwdriver in the center to pop it out.

  3. Step 3

    Examine the washer carefully, as it is usually the source of your leak. Check the washer for any cracks, tears or breaks. Sometimes the washer simply will be worn from age and use.

  4. Step 4

    Put a new washer in the collar if you spot any problems with the old washer.

  5. Step 5

    Place the collar back on the faucet. Tighten it with an adjustable wrench, but don't crank it down too much. You want to avoid stressing the new washer.

Tips & Warnings
  • A leak in a sillcock can go unnoticed for a long time, especially if you don't use outside faucets often. To prevent large water bills, check the faucets weekly. An ideal time to check is while mowing the grass.

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