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Install New Cartridge — Install the Replacement Cartridge or Valve Stem

Beginner2 hours

Part of project

Kitchen Faucet Repair: A Step-by-Step Guide to Replacing Faucet Parts · Step 4 of 5

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In this video

Take your new replacement cartridge. Observe the notches on the sides, which correspond to grooves inside the faucet body. Align these notches and slide the new cartridge straight down into the housing until it is fully seated. You will feel it settle into place.

Goal: Laundry Faucet Repair (Cartridge Replacement)

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FAQs

What specific tools, beyond a basic screwdriver, might I need for this faucet repair?

You might need an adjustable wrench or basin wrench for stubborn nuts under the sink. Depending on your faucet, a set of Allen wrenches (hex keys) may be required to remove the handle, and some cartridges require a specialized removal tool. Penetrating oil can also be useful for seized parts.

What's the most crucial first step to ensure safety and prevent water damage before I start this repair?

The absolute first step is to completely turn off the hot and cold water supply lines leading to the faucet, usually found under the sink. Then, open the faucet to drain any remaining water from the lines and relieve pressure. This prevents accidental floods and makes the repair safer.

This project is rated 'beginner' and '2 hours.' What are common issues that could make it take longer or become more difficult?

Corroded or seized parts can be difficult to remove, especially if the faucet is old, potentially adding significant time. Identifying the correct replacement part can also cause delays if the brand or model is obscure. Tight spaces under the sink can make access challenging.

After installing the new cartridge, what should I do if the faucet still leaks or doesn't operate correctly?

First, double-check that the new cartridge is fully seated and properly aligned according to any notches or keys, as incorrect alignment is a common cause of leaks. Ensure all retaining nuts or screws are snug, but do not overtighten. If the issue persists, inspect the cartridge for any defects or verify it's the exact correct model for your faucet.

Transcript
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Those are there to help you put the new cartridge in the correct way. So you just slide it into the grooves in the handle there, just like you see here. And then once you have that in, you can put the ring back on.

Auto-generated transcript. May contain errors.