I see now, he is refering to the vacuum line connections on top of the UIM beside the TB. I didn't realize they had brass rings.

99 CSVT Green/Tan # 84 of 2760 Built on Wednesday, September 30, 1998 15.376 @ 92.00 MPH Stock 75,000Km 96 Contour GL 2.5L V6 ATX 170,000Km