garbage disposal sends water back up. I took apart the entire assemblytookassembly and disposal spins freely, no clogsclogs, sounds normal etc.took apart plumbing trap and all fittings, no clogclogclog. ran water down the plumbing pipes and verified no clog. took off cleanout cap and verified no clog. ran water through the disposal when it was not mounted to the sink, water flowed fine. reconnectreconnected all fittings and disposal, ran water and ice through disposal works ok. put large amount of water in disposal it clogs and sends water back up....drains very slowly. repeats.