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What causes a toilet to leak from the base when flushing?

A toilet leaking at the base when you flush usually means the wax ring failed or the closet bolts are loose. Other causes include a cracked flange or bowl, misalignment after prior work, or a severe drain clog pushing past the seal. Stop using the toilet to avoid subfloor damage. We service Englewood and Clifton.

  • Gently rock the toilet; movement suggests loose bolts or a flange issue.
  • Tighten bolt caps a quarter turn. If it still leaks, shut off water and call.
<br/> Updated: 2026-01-02 00:00:00 <br/>

Need help in Englewood, NJ? Call (908) 274-0866 or book online.

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