Quote:
Originally Posted by mustang94@hot.rr.com
This is so true and have thought of it a few times, so I opened up another roof vent and still the same, just not as bad. Had this rig for over a year and just lately started haven this problem.
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If you've had the rig for a year and now just having the problem, perhaps something happened with the air admittance valves. Maybe they are stuck open or something. When checking if they are loose also check if they only open when there is a vacuum in the tank.
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