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Inspect Existing Hoses — Inspect Supply Lines for Damage

Beginner2 hours

Part of project

Fix a Leaky Faucet: Repairing Water Intake Leaks · Step 4 of 5

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Before starting the replacement, it's important to inspect your current hoses for any signs of deterioration. Check the entire length of both the hot and cold water hoses, paying close attention to the connection points. Look for issues such as bubbles, unraveling of braided hoses, cracks in rubber, severe crimping, discoloration, or any signs of rust on the fittings. If you notice any of these signs of wear, the hoses should be replaced immediately to prevent leaks.

Goal: Check for signs of wear

  • Perform this inspection every six months as part of regular home maintenance.
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This Old House

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FAQs

How difficult is this water intake leak repair for a DIY beginner, and can it realistically be done in 2 hours?

This project is indeed suitable for beginners, focusing on straightforward disconnection and reconnection of supply lines. The 2-hour estimate is realistic, assuming you have the necessary tools readily available and don't encounter heavily seized or corroded connections. Taking your time to ensure proper sealing is key.

What should I do if the shut-off valves under my sink don't work or are stuck, preventing me from turning off the water?

If the local shut-off valves are faulty or seized, you'll need to turn off the main water supply to your entire home. Locate your home's main water shut-off valve, usually in the basement, garage, or utility closet, and turn it clockwise until the water flow stops completely. Remember to notify anyone in your household before doing this.

Is Teflon tape absolutely necessary when reconnecting the water supply lines to the faucet tailpieces, and how should it be applied?

Yes, Teflon tape (also known as PTFE tape or plumber's tape) is highly recommended for these threaded connections. It acts as a lubricant to help threads seal better and prevents leaks. Wrap the tape clockwise around the threads of the faucet tailpiece 2-3 times, ensuring it's snug and doesn't cover the opening.

I reconnected the supply lines, but the faucet is still leaking where they attach. What's the most common reason for this, and how can I fix it?

The most common reasons for a persistent leak are improperly applied Teflon tape or loose connections. First, ensure the Teflon tape was wrapped clockwise and isn't bunched up. Then, gently tighten the supply line nuts a bit more with your adjustable wrench, being careful not to overtighten and strip the threads.

Transcript
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And according to our research, flooding sucks. So every six months, check your existing hoses for signs of deterioration, especially at the connections and bends. Look for things such as bubbles, unraveling, cracks, crimping, discoloration, and rust. If you notice anywhere, replace the hoses immediately. It's an easy and inexpensive fix that could save you big

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