How To Unclog Sewer Line From Toilet May 2026

Some clogs are right at the toilet flange. Unbolt, lift toilet, and check the opening.

You need a 3/4” or larger sewer auger . Feed it through the toilet drain or a cleanout. how to unclog sewer line from toilet

Here’s how to tackle it step-by-step:

If multiple drains are backing up (sinks, tub, toilet) or your toilet gurgles when you flush the shower—it’s likely a , not just the toilet. Some clogs are right at the toilet flange

Flush the toilet. Does water come up in the tub or shower? If yes → main line clog. how to unclog sewer line from toilet