Air bubbles coming up through toilet
Recently picked up a new 5er and on our second trip out am noticing large air bubbles coming up through the toilet when I go to flush. Black tank is only 1/3 full. Something tells me it's likely a v...
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Agree with your diagnosis. Vent is either clogged, never installed, or WAS installed but has slid down into the tank. If it's down in the tank and the tank fills to where the bottom end is under (er...) water, then it can bubble as you go to flush. Probably also will force odors into the coach.
