When flush the toliet it backs up into the bathtub. I have snaked the pipes and they are clog free.?

Answer 1

The clog is probably much further down the line, far beyond the snake. You could have roots or some other obstacle growing into the pipes out in the yard. Time to call Roto Rooter. sorry.

Only other thought is the sanitary stack on the roof is plugged with leaves or dead birds and not allowing proper pressure in the plumbing system. The cure there is also a professional, but only one who actually understands those stacks need cleaning from time to time and with the equipment that won't crack the brittle plastic.

Answer 2

You may have a reverse pitch unless the problem recently began. I would check the main stack like someone had mentioned and see if its clear of debris. Without adequate venting the appliances cannot properly drain, or do very slowly. Try installing a mechanical vent under the sink to let the drains breathe. Hope that your tub has a trap in the meantime so you dont have to smell constant sewage. Try to fill the tub up with water and close the drain. Do the same t othe sinks and then plunge the toilet. It may work, but it takes a few tries.

Answer 3

your system is clogged. or your tank is full, snaking should clear the clog, but won't reduce the liquid in the tank. Pop the lid of the sewage systemand get ready for a real bad suprise,

Answer 4

broken or cracked pipe could be the reason pl check for that

Answer 5

Check the vent line, it might be plugged too.