Plumbing question - toilet removal

[tigersaw]

Something is amiss in the shower room upstairs. The shower is very slow to drain, has been a while, but now the toilet does not drain either, first backing up water back into the shower tray
I pretty sure something is very blocked in the stack where they all join in. I doubt the stack itself is blocked up from the bottom, as the same happens if you leave it 1 hour or 2 days.
Nothing has had any effect, friendly chemicals through to steaming caustic soda.
I reckon its from years of people chucking cotton buds and floss and god knows what down there, along with hair and the rest.
So, I think I need to remove the toilet, and get my hands in there if I can.
From what I can see by peering under the boards and the like, the toilet connects to a solid curved bit, which interfaces to the stack.
I'm happy to run without a toilet in there for a while until I win the lottery and can win a new suite, so if I remove it,
1: should the curved pipe just pull off the stack or will it be bonded on?
2: whats the thing I need to seal off the hole it leaves behind, some sort of cap I guess?

Its 1980's plastic plumbing for the record, and the toilet is a tasteful pink colour.

[tigersaw]

heres a pic:

Am I seeing things right there?
Does the stack not continue after the wc joint ?
If there is no vent above the connection for the wc etc, it can't pull any air in which will drain really crap.

Is that looking from the side or top ?

Take toilet out, get a drain unblock spring thing, less than a tenner from a tool supplier, feed it in the direction of flow, rotating it as you go, if it's blocked that will clear it, it may be further down the stack and require more extreme measures.

that must be the top meaning no vent, unless it continues upthe wall outside?

Originally Posted by bluefishman

that must be the top meaning no vent

That's the way I read it as well, no fecking chance of that draining properly if that's the case.

[maviczap]

[tigersaw]

No, it goes onwards and upwards and out the roof, just you cant see that bit from the picture as I've taken it from under the boards.

[andrewsmith]

it maybe lack of fall to the stack, or a massive jobbie lodged*

is it a single or shared soil vent?
The first port of call would be a set of rods and see if clearing it helps, after that poss taking the stack off and clearing it

*well someone had to crack the joke