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    wavysjunque's Avatar
    wavysjunque Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 10, 2014, 02:32 PM
    Why does my toilet let out an air bubble when flushed?
    Both of the bathroom toilets let out an air bubble when flushed and the water sometimes splashes outside the rim. I air bubble is rather large. But they do flush.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    Jul 10, 2014, 04:05 PM
    Clogged vent line or partial downstream blockage. As the water flows down, the line can't vent and the air is venting back through the toilet.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Jul 11, 2014, 06:04 AM
    This indicates a partial blockage. You have several options.
    1- You can pull the toilet and snake from there **or**
    2- Snake from the lavatory roof vent. Put out enough snake to reach the base and 15 more feet. Good luck, Tom
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