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Shut Off Water and Drain Tank — Prepare the Toilet for Repair

Beginner2 hours

Part of project

Leaky Toilet Repair: A Step-by-Step DIY Guide · Step 1 of 3

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In this video

First, locate the water supply valve on the wall behind the toilet and turn it clockwise to shut off the water. Next, flush the toilet to drain most of the water from the tank. Since some water will remain at the bottom, use a sponge or absorbent towel to soak up and remove all the remaining water. The tank must be completely empty before proceeding.

Goal: Prepare the toilet for disassembly

  • A turkey baster can also be used to suck out the last bit of water from the tank.

Used in this video

  • Sponge (brand: Generic, Sponge Absorbency/Size: Highly absorbent sponge for wiping)Soaking up and removing residual water from the toilet tank.
  • Gloves (brand: Generic, Gloves Material: Latex gloves for grip)To keep hands clean and protected from rust and grime.
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Oatey Co

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FAQs

Do I need specialized plumbing tools for this repair, or can I use common household tools?

You'll primarily need an adjustable wrench and a putty knife, which are standard tools many homeowners already possess. A bucket for catching water, sponges for drying, and possibly a utility knife for trimming the wax ring are also useful items for this project.

What are the most important safety precautions to take when disassembling a toilet for repair?

Always start by turning off the water supply completely at the wall valve and flushing the toilet to drain both the tank and bowl. When lifting the toilet tank, be mindful of its weight; it's heavy and awkward, so lifting with a helper is strongly recommended to prevent injury or damage.

The project is listed as 'beginner' and 2 hours; what are the most common challenges that might extend the repair time for a first-timer?

The most common challenges include loosening old, rusted tank bolts, which may require penetrating oil, and properly aligning the new wax ring. Ensuring the toilet is perfectly centered over the flange before seating it firmly is crucial to avoid leaks and might take a few attempts.

What are common mistakes when replacing a toilet's wax ring, and how can I ensure a proper, leak-free seal?

A frequent mistake is not completely removing the old wax and debris, or misaligning the new wax ring during installation. To ensure a good seal, thoroughly clean the flange, center the new wax ring precisely on the toilet's horn or the floor flange, and apply firm, even pressure when seating the toilet.

Shut Off Water and Drain Tank — Leaky Toilet Repair: A Step-by-Step DIY Guide (Step 1, Video 3) | Stesso