If you suspect that's the case, take steps to unclog the toilet. Why is the Toilet Water Level Rising and Falling? It's ...

Gently pull the vent pipe away from the wall duct. If your dryer is electric you should be able to push the appliance out of the way without any issues. This will open up more space to work.

While bubbling or gurgling is a relatively common toilet problem, it’s not an issue you want to ignore. When a toilet bubbles, it indicates that negative air pressure (suction) is building up in ...