Ford Transit 2002 Owner's Manual page 624

11.
12. CAUTIONS:
Vacuum any foreign material from the fuel pump
and fuel rail unions before sealing the unions with
blanking caps.
Make sure that the fuel line remains in contact at
both ends until both unions nuts have been unscrewed
and the area around the joints thoroughly cleaned.
Use an open-ended wrench to prevent the
component from turning.
General Equipment:
13.
14.
15.
http://vnx.su
Pneumatic vacuum gun