AMEC PLUMBING
Learn how to identify the cause of a wobbly toilet and follow step-by-step instructions to fix it, ensuring a stable, leak-free installation that lasts.
A wobbly toilet is more than an annoyance—it can lead to serious plumbing issues if not addressed. The good news? Fixing a wobbly toilet is a manageable DIY project for most homeowners. Here, we’ll walk you through diagnosing the issue, the tools you’ll need, and each step to get your toilet stable and secure.
Common Causes of a Wobbly Toilet
Several factors can lead to an unstable toilet. Identifying the cause is essential, so you can make the right repair and prevent the problem from happening again.
Loose Closet Bolts: Closet bolts secure the toilet to the floor flange. If these bolts are loose, the toilet can wobble. Tightening them is often the quickest fix.
Damaged Wax Ring: The wax ring creates a watertight seal between the toilet and the flange. If it’s damaged or compressed, it can lead to instability and even leaks.
Uneven Floor: Older homes with settled floors may cause the toilet to rock. In these cases, you may need to shim the toilet or even out the floor.
Damaged Flange: The flange is the fitting that connects the toilet to the drainpipe. A damaged or corroded flange may require repair or replacement to stabilize the toilet.
Tools and Materials
Gather the following items before starting your repair:
Adjustable Wrench
Caulk (optional)
Level
Mini Hacksaw
New Closet Bolts and Caps
New Wax Ring or Flexible Rubber Gasket
Putty Knife
Toilet Shims
Replacing the Wax Ring
A damaged wax ring can lead to a wobbly toilet and leaks. Here’s how to replace it:
Remove the Old Wax Ring: After lifting the toilet, use a putty knife to scrape off the old wax.
Install the New Ring: Place a new wax ring on the flange, ensuring the plastic sleeve faces up.
Position the Toilet: Carefully lower the toilet onto the new ring, pressing down to compress it and form a proper seal.
For easier installation, you can opt for a foam gasket instead of a wax ring. These are less messy and offer a strong seal, especially helpful if you need to remove the toilet for future repairs.
Inspecting and Repairing the Toilet Flange
A damaged flange may be the root cause of a wobbly toilet. Here’s what to do:
Check for Cracks or Corrosion: Inspect the flange for visible damage.
Repair Kits: For minor damage, repair kits can reinforce the flange. Severe damage may require flange replacement, which is a more involved process and may need professional help.
Tips to Prevent Future Wobbling
Regularly Check Closet Bolts: Periodically tighten the bolts to keep them secure.
Avoid Harsh Cleaners: Harsh chemicals can damage the wax ring and flange, so opt for gentler cleaning products.
Promptly Address Instability: Fixing minor wobbling early prevents more serious issues down the line.
By following these steps, you can restore stability to your toilet, preventing leaks and further damage. With regular maintenance, your toilet should remain secure and wobble-free for years to come.
