Replace the toilet tube

jandav

I want to replace the tube that goes from the toilet to the septi tank.
The problem is that the old tube is to impossible to remove.
I a previous question I got the impression that you can use the old tube to guide the new one through the area at the bottom of the mid cabin. But the old tube seem to be tighten somewhere where I cant get in.
Any suggestions on how to proceed?
 

Ian

Likely its zip tied in, thats what I found. You need to get a look in the path its taking with a boroscope if you can’t get you arm in and feel around.