Water erupting out of my vent pipe?


When the garbage disposal side is full of water and I run the disposal water gushes out of the Studor vent. This happened a month or 2 ago, when I checked everything the vent had worked itself loose. So I tightened it back down and didn’t have any problems. Now it happened again but It was still tight. Could the vent have failed? Or maybe a clog in the drain. We don’t have an issue till we put force behind the water, i.e. run the disposal with a half full sink of water.

q water erupting out of my vent pipe
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