Ok i was looking over some things on my mkiii today and found this vacuum thing, is looks like a check valve or diaphragm of some type. it connects to my throttle body and one of the nipples are broke off and i cant find the hose that goes to it. i cant find wat it is on the vacuum diagram ether. any help?
here is a pic on one on another car i found on the net
here is a pic on one on another car i found on the net