Here is how it is supposed to work:



There is a set of plastic tools available from AutoZone for about $10 that is adequate for these fuel lines.

If the PO replaced the couplers or otherwise damaged them, all bets are off.

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!