How to change a toilet flexible waste pan/pipe. Part 1

The toilet waste water leaking after flushing, and the flexible toilet pan tube worn out after 1-2 years.
When you smells bad odour after flushing toilet that means your toilet waste pipe leaks. And the air from the waste reservoir h going up the broken seal.
Then u need to change the waste pipe.

[@Jaypipin]

where is part 2 of video/ explanation