It's typically called a Suction Jet Pump, VW Part# 058 133 753 B. Based on a search of the Etka PDF, I don't think the V6 has one.
The 1.8T has quite a number of check valves and such, necessary because it's turbocharged. When the turbo is boosting, there is no engine vacuum available for brake booster, etc., so you need check valves and vacuum storage. The V6 avoids much of that complication.
I don't think the updated PCV version has them, but the 01 ATQ did. I do not see one in the coolant pipe writeup and that is the updated PCV. On my engine, it was at the back right of the vacuum plate, the 2 white zip ties are on it:
I get a call at work that Edward (2002 2.8L V6) is making a noise like a french horn. When I check it out this evening, I find it toots occasionally when I blip the throttle in P or N, and pretty much constantly when in gear. I put my son to work blipping the throttle while I listen and locate...