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Remove the Toilet Tank — Disconnect the Water Supply Line

Beginner2 hours

Part of project

Fix Leaky Toilets: A Step-by-Step Guide to Replacing Your Fill Valve · Step 2 of 6

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In this video

Place a small bucket or towel under the water supply line connection to catch any drips. Use a wrench to loosen and disconnect the water supply line from the bottom of the fill valve. Next, locate the two tank bolts under the rim of the toilet bowl. Use a wrench or socket to unscrew the nuts from these bolts. Once the nuts and washers are removed, carefully lift the toilet tank straight up and off the bowl. Place it on a protected surface like a towel.

Goal: Detach the toilet tank from the toilet bowl.

  • The tank is made of porcelain and can be heavy and fragile. Handle it with care to avoid dropping or cracking it.

Used in this video

  • Wrench (brand: unknown, Wrench Type: Open-end)Loosening the supply line nut and the tank bolt nuts.
  • Towel (brand: unknown, Towel Material: Absorbent cloth towel)Protecting the floor and providing a soft surface to place the tank on.
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FAQs

My new fill valve is leaking where it connects to the water supply line. What should I check?

First, ensure the connection is hand-tightened, then gently snug it with your adjustable wrench, being careful not to overtighten and strip the threads. Also, check that the rubber washer inside the coupling is properly seated and not pinched or missing; a new washer may be needed if it's damaged.

Is replacing a toilet fill valve truly a beginner-friendly project, and how much time should I set aside?

Yes, this project is very beginner-friendly and perfect for a first-time DIYer. Most people can complete the entire process, including preparation and testing, within 1 to 2 hours. Taking your time and carefully following each step will help ensure a successful repair.

What crucial safety precautions should I take before starting this toilet repair?

Always begin by turning off the water supply to the toilet, usually via a small shut-off valve at the wall or floor. After turning it off, flush the toilet to empty the tank as much as possible to minimize water spills when you disconnect lines and remove the old valve.

Besides an adjustable wrench, are there any other tools I might need for this project?

An adjustable wrench, like the Husky 12 in. Adjustable Wrench, is the primary tool you'll need. You might also find a bucket helpful to catch any residual water from the tank or supply line, and a sponge or old towel for easy cleanup of small spills.

Transcript
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That flap will also need to get changed. I'm going to remove this supply line and then take out the nuts and washers from both sides with the tank and bowl connection. I'm going to lift up the tank and you can already see how withered away this tank the bowl

Auto-generated transcript. May contain errors.