Q5 Cdud 3.0 tdi Engine vacuum hose routing?

[gledy2]

Hi looking for some help. Currently been replacing the oil cooler and other related parts in my partners 2013q5 3.0 tdi, after a coolant leak in the “v”. The inlet manifold has been removed 3 times now, the vacuum hose above the water pump pulley which was the last bit to connect to has nothing to fix into. It has a hose off from the t piece, unlike the example marked red below, but nothing to connect into? Any ideas? Thanks

 

[NHN]

Is the hose capped of as pic isn't as clear as other, but looks capped but maybe just the image.

 

[gledy2]

Is the hose capped of as pic isn't as clear as other, but looks capped but maybe just the image.

Thanks yes they are just pics of removed Cduc/Cdud engines, some look capped, others don’t. Mine is the pic below with a hose from the tee piece with a connector on the end.
The tee goes into a vacuum valve 1k0906283a which in turn goes to the egr valve. The 3rd outlet of the tee goes into another tee which in turn runs to the brake master cylinder (I think) as it passes through the scuttle tray. The other end goes down near the water pump.

 

[gledy2]

Also part 49 in the following diagram, but I’ve no idea what it should go to, I did take some pics during disassembly but it looks to just run round the oil filter housing into somewhere unknown!