No goo, just the O-ring.

I found that rolling it onto the flange of the outlet tube made it easier to get installed properly. It only took me three tries over six months to get that one right.

Steve

98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!