Putting this here because it becomes an issue as the kms rise so I guess "future restorers" and those with engines of unclear provenance might get the most use from it. Hopefully turns up in searches easily enough.

If you have a LuK vacuum pump P/n 06D145100- be very careful...

I was trying to sort out my central locking not working on my car, so i located the vacuum pump in the boot. Found it had been disconnected and reconnected it.
It started pumping.. sounding like a fish tank for a little bit.
My car was locked, so i tried unlocking it, and it was a struggling...